TheoryATI TEAS 7
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ATI TEAS 7
What is the quantity of carbon dioxide molecules needed to balance the following reaction:<br/><br/>4C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> + 24O<sub>2</sub> → <code>________</code>CO<sub>2</sub> + 24H<sub>2</sub>O + Energy
Correct — D. In this reaction, 4C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> + 24O<sub>2</sub> will produce 24CO<sub>2</sub> + 24H<sub>2</sub>O + Energy. The balanced equation shows that for every 4 molecules of glucose (C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>), we need 24 molecules of oxygen (O<sub>2</sub>) to completely react. This will produce 24 molecules of carbon dioxide (CO<sub>2</sub>) and 24 molecules of water (H<sub>2</sub>O) along with the release of energy. -
ATI TEAS 7
Why is the utilization of the Latin language prominent in the present scientific nomenclature system?
Correct — D. Latin is a dead language, meaning that it is no longer spoken as a native language by any community. As a result, Latin remains in a fixed and unchanging state, unlike living languages that evolve over time. This stability is crucial for the utilization of Latin in the present scientific nomenclature system because scientific terms need to have clear and consistent meanings across different languages and cultures. <br/><br/>Option A) The system is very old and Latin was used at the time<br/><br/>This answer is incorrect because the age of the system does not necessarily dictate the use of Latin in the present scientific nomenclature. While it is true that Latin was historically used in scientific literature and naming conventions, the current prominence of Latin in the scientific nomenclature system is not solely due to its historical usage.<br/><br/>Option C) Latin is easier to understand<br/><br/>This answer is incorrect because Latin is not inherently easier to understand than other languages. In fact, Latin can be quite complex and challenging for non-Latin speakers. The selection of Latin for scientific nomenclature is not based on its ease of understanding, but rather on its stability and consistency.<br/><br/>Option D) The scientific community insists upon Latin because it is the language of science<br/><br/>This answer is incorrect because the scientific community does not insist upon Latin as the language of science. While Latin may have been widely used in the past, the present scientific community utilizes various languages for scientific communication. The selection of Latin for scientific nomenclature is based on the need for a language that is stable and unchanging, rather than any insistence or preference from the scientific community. -
ATI TEAS 7
Adhesion of platelets to collagen following damage to the endothelium is assisted by
Correct — C. Upon damage to the lining of a blood vessel (endothelium) the body immediately takes steps to staunch the bleeding. Among the first things to occur is that platelets circulating in the blood bind directly to receptors in the collagen of the blood vessels. Von Willebrand factor, released by the endothelium and from the platelets, helps those platelets adhere to the collagen.<br/><br/>Choices A and D are incorrect, as PAF and glycoprotein IIb are steps in the pathway of primary hemostasis that do not directly strengthen the initial adhesion of platelets to collagen although they are necessary for eventual healing. Serine proteases (choice C) are part of a different pathway, secondary hemostasis, or the coagulation cascade that leads to fibrin formation and clotting. -
ATI TEAS 7
Through which process is DNA replicated?
Correct — D. DNA replication is the process by which a DNA molecule makes an identical copy of itself. This process occurs during cell division and is crucial for the transmission of genetic information from one generation to the next. Replication involves the unwinding of the DNA double helix, the separation of the two strands, and the synthesis of new complementary strands using the existing strands as templates. It is a highly accurate and tightly regulated process that ensures the faithful replication of genetic material.<br/><br/>Option A) Transformation: Transformation is a genetic process in which foreign DNA is introduced into a cell, resulting in the permanent alteration of the cell's genetic makeup. It is commonly used in genetic engineering and biotechnology.<br/><br/>Option B) Transcription: Transcription is the process by which the information stored in the DNA sequence is used to synthesize a complementary RNA molecule. It involves the synthesis of messenger RNA (mRNA) from a DNA template and is an important step in gene expression.<br/><br/>Option D) Reduction: Reduction is a chemical process that involves the gain of electrons or the loss of oxygen atoms. It is not directly related to the replication of DNA. -
ATI TEAS 7
Which taxonomic rank is the next-smallest after Order?
Correct — C. The taxonomy ranks run from largest to smallest: Kingdom, Phylum, Class, Order, Family, Genus, Species. The next-smallest after Order is Family. A useful mnemonic for remembering is, ‘King Philip Came Over For Great Spaghetti.’. -
ATI TEAS 7
As amino acids are linked together, they form proteins. Amino acids like cysteine which contain a sulfur atom may covalently bond to each other, forming a disulfide bridge.<br/><br/>What protein structure level is it?
Correct — C. Generally, amino acids form through amide linkages also known as peptide bonds. Chains of those linkages form proteins.<br/><br/>However, atoms on the side chains can form covalent bonds within the protein as well. That is referred to as the <em>tertiary structure </em>of the protein. Hydrogen bonding is considered part of the protein’s <em>secondary structure</em>.<em> </em>The correct answer therefore, is (C). -
ATI TEAS 7
An organism with chloroplasts in its cells is probably <code>________</code>.
Correct — D. Organisms that have chloroplasts in their cells carry on photosynthesis and are therefore autotrophs. Autotrophs make their own food. -
ATI TEAS 7
Which of the following comparisons between arteries and veins is true?
Correct — C. Due to the lower pressure in the venous system and the fact that most blood is trying to return back to the heart against the force of gravity, veins have valves that prevent blood from moving backwards. Veins do not contain thick, muscular walls like arteries do. If venous walls were thick like arterial walls, there would be more resistance for blood flowing into veins. Since blood in the venous side is already under a lower pressure, this would create a problem for blood to return to the heart.<br/><br/>Arteries have thick muscular walls due to the higher pressure of blood flow in the arterial side of circulation. Veins carry blood that is leaving tissue after it has unloaded oxygen, therefore they carry oxygen-depleted blood, along with metabolic waste back towards the heart. Venous blood carries oxygen-deficient blood back to the heart. Arteries carry oxygen-rich blood from the heart to tissues where oxygen can be delivered and used for cellular respiration. Due to the higher pressure in which arterial blood must flow, arteries have thicker walls and smaller lumen, or diameter, as compared to veins.<br/><br/>Veins are often considered to be capacitance vessels as they carry a larger volume of blood, and have thinner walls, and greater wall compliance to accommodate the higher volume of blood. -
ATI TEAS 7
What structure provides insulation for axons as action potentials move along?
Correct — D. The myelin sheath, composed of oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system, provides insulation for the axon. As an action potential travels down an axon it essentially jumps between nodes that are not covered by myelin (call nodes of Ranvier). The myelin sheath is very similar to the covering on an electric cord. -
ATI TEAS 7
What type of mutation during meiosis can lead to an abnormal number of chromosomes in the offspring?
Correct — C. Non-disjunction is a type of mutation that can occur during meiosis, the process of cell division that produces reproductive cells (gametes). Normally, during meiosis, chromosomes segregate and are evenly distributed into the resulting gametes. However, non-disjunction occurs when chromosomes fail to separate properly, leading to an abnormal number of chromosomes in the resulting gametes.<br/><br/>Option A (Replication) refers to the process of DNA replication, which occurs prior to cell division. Replication is necessary for the accurate duplication of genetic material, but it does not directly affect the number of chromosomes in the offspring.<br/><br/>Option B (Translation) is the process by which ribosomes synthesize proteins using the genetic information carried by messenger RNA (mRNA). Translation is not directly related to the number of chromosomes in the offspring.<br/><br/>Option D (Frame shift) is a type of mutation that involves the insertion or deletion of nucleotides in a DNA sequence. Frame shift mutations can alter the reading frame of codons and result in changes to the entire sequence of amino acids in a protein. However, frame shift mutations do not directly cause an abnormal number of chromosomes in the offspring. -
ATI TEAS 7
<img src="asset:assets/questions/90e640f3fa3666cc.jpg"><br/><br/>Which picture represents the second insect phase shown?
Correct — A. Image A is a diagram of the larval stage of the insect. The insect life cycle moves from egg (shown in Image D), to larva (shown in Image A), to pupa (shown in Image B), then finally to adult (shown in Image C). -
ATI TEAS 7
By which enzyme is trypsinogen, an enzyme secreted by the pancreas, activated into trypsin in the duodenum?
Correct — A. Enterokinase is the enzyme responsible for activating trypsinogen into trypsin in the duodenum. Trypsinogen is a precursor enzyme secreted by the pancreas, and it needs to be activated in order to carry out its functions. Once enterokinase cleaves a specific peptide bond in trypsinogen, it becomes active as trypsin.<br/><br/>Option B) pepsin is incorrect because pepsin is a gastric enzyme that functions in the stomach, not the duodenum. Pepsin helps break down proteins in the stomach, but it does not play a role in activating trypsinogen.<br/><br/>Option C) hydrochloric acid is incorrect because hydrochloric acid is an acid secreted by the stomach, not the pancreas. While hydrochloric acid does play a role in digestion, it does not directly activate trypsinogen into trypsin.<br/><br/>Option D) protease is incorrect because "protease" is a general term for enzymes that break down proteins. While trypsin is indeed a protease, it is specifically activated by enterokinase, not by a generic protease enzyme.<br/><br/>In summary, enterokinase is the specific enzyme responsible for activating trypsinogen into trypsin in the duodenum. -
ATI TEAS 7
Which is the best definition for the connotation of a word?
Correct — C. Denotation is the literal definition of a word. Connotation is the figurative meaning of a word, the global and personal associations words carry. -
ATI TEAS 7
The Corps of Discovery Expedition, later called the Lewis and Clark Expedition, had both scientific and commercial objectives. Meriwether Lewis and William Clark were commissioned by President Thomas Jefferson to study the flora, fauna, geology, cartography (map making), topography (land features) and limnology (study or fresh water systems) of the interior of the northern United States from coast to coast.<br/><br/>The goal of these scientific objectives was to learn as much as possible about how to use these things for commercial or economic purposes. The expedition lasted from 1804-1806 and it produced a significant wealth of knowledge about a little known swath of the entire continent.<br/><br/>What was the primary purpose of the Lewis and Clark Expedition?
Correct — C. The primary purpose of the Lewis and Clark Expedition was to carry out scientific studies on a region to learn how it could be exploited. The Lewis and Clark Expedition had both scientific and commercial objectives. The goal of the scientific objectives was to learn as much as possible about how to use these things for commercial or economic purposes, which also means how to exploit them. -
ATI TEAS 7
Sonja, I think it’s time for us to open a new location. We’ve been talking about doing it forever and I’m afraid that if we don’t do it now, we’ll never do it.<br/><br/>I know it’s a risky move, but the only way our business is going to grow is if we take calculated risks.<br/><br/>Business has never been better, and our focus group data shows that people in Springdale would love to have one of our stores in their mall.<br/><br/>If we do this right, we can be twice as profitable as we are now in three years. Let me know what you think.<br/><br/>Thanks, Gabriela<br/><br/>PS: We can even announce the expansion after that Channel 4 puff piece airs to take advantage of the attention we’ll be getting!<br/><br/>Which of the following best captures the author’s purpose?
Correct — A. Because the author’s first sentence mentions opening a new location. She also writes that, “business has never been better,” which refutes answer choice (A), and also points off that they have already done the research necessary to prepare for this expansion, which refutes answer choice (D). -
ATI TEAS 7
We have said that argumentation is the art of producing in the mind of someone a belief in something in which we wish him to believe.<br/><br/>Now it is obvious that this can be accomplished in different ways. Perhaps the most common method of attempting to bring someone to believe as we wish is the oral method. On your way to school you meet a friend and assert your belief that in the coming football game the home team will win. You continue: "Our team has already beaten teams that have defeated our opponent of next Saturday, and, moreover, our team is stronger than it has been at any time this season." When you finish, your friend replies: "I believe you are right. We shall win."<br/><br/>You have been carrying on oral argumentation.<br/><br/>If, when you had finished, your friend had not agreed with you, your effort would have been none the less argumentation, only it would have been unsuccessful. If you had written the same thing to your friend in a letter, your letter would have been argumentative.<br/><br/>Suppose your father were running for an office and should make a public speech. If he tried to make the audience believe that the best way to secure lower taxes, better water, and improved streets would be through his election, he would be making use of oral argumentation. If he should do the same thing through newspaper editorials, he would be using written argumentation.<br/><br/>Argumentation, then, may be carried on either in writing or orally, and may vary from the informality of an ordinary conversation or a letter to a careful address or thoughtful article.<br/><br/>Based on the passage, what does the "variance" tell us about the responses?
Correct — A. Based on the passage, the "variance" tell us the spread of values within the sample; a high variance means there were a lot of different values given by respondents. -
ATI TEAS 7
Careering madly in a motor car behind a herd of antelope fleeing like wind-blown ribbons across a desert which isn't a desert, past caravans of camels led by picturesque Mongol horsemen, the Twentieth Century suddenly and violently interjected into the Middle Ages and should be contrast and paradox enough for even the most sophisticated sportsman. I am a naturalist who has wandered into many of the far corners of the earth. I have seen strange men and things, but what I saw on the great Mongolian plateau fairly took my breath away and left me dazed, utterly unable to adjust my mental perspective.<br/><br/>When leaving Peking in late August, 1918, to cross the Gobi Desert in Mongolia, I knew that I was to go by motor car. But somehow the very names "Mongolia" and "Gobi Desert" brought such a vivid picture of the days of Kublai Khan and ancient Cathay that my clouded mind refused to admit the thought of automobiles. It was enough that I was going to the land of which I had so often dreamed.<br/><br/>In what narrative form is the passage written?
Correct — A. The use of the pronoun "I" in the passage indicates that the author is using a first person singular narrative. He is retelling his adventures while traveling through Mongolia in a motor car. With first person plural, typically "we" is used. -
ATI TEAS 7
Choose the coordinating conjunction that would correctly complete the blank in the following sentence:<br/><br/>I've been cleaning the house all day, <code>________</code> I'm going to rest now.
Correct — D. The second phrase follows the first, making 'so' the coordinating conjunction that is suitable. -
ATI TEAS 7
Select the option that corrects any errors in the underlined portion(s). If there are no errors, please choose "No change is necessary."<br/><br/>Did you get your (A) <u>inoculation</u> against malaria before you left for Africa? It was necessary since you went to a (B) <u>foriegn</u> country. Weren’t you (C) <u>grateful</u> that you did?
Correct — D. This word is one that deviates from the “i before e” rule. There is only one “n” in “inoculation” and “grateful” is not spelled by beginning with “great.” -
ATI TEAS 7
Select the option that rectifies the error using a comma, semicolon, dash, or colon.<br/><br/>The weather is a factor in ski jumping a lack of snow could be dangerous.
Correct — A. When two closely related independent clauses are not joined by a coordinating conjunction, use a semicolon between them. Do not capitalize the first word in the second independent clause. Exercise caution to avoid creating fragments and run-on sentences when using commas, semicolons, and colons. -
ATI TEAS 7
The sight of his broken coffee mug <b>incensed</b> Mr. Sacks, but we soon managed to pacify him by explaining it was an accident.<br/><br/>Which of the following words is an antonym that provides a clue to the meaning of incensed?
Correct — B. The word pacify is an antonym of the word incensed. Mr. Sacks is incensed, or very angry, about his broken mug, but then calms down when he learns the explanation. Answer <i>pacify</i> is correct. -
ATI TEAS 7
When would you incorporate brackets in your writing?
Correct — D. The bracket, which is similar to a square parentheses, adds explanatory information to text. -
ATI TEAS 7
Which of the following shows 74,365 rounded to the nearest hundred and to the nearest thousand?
Correct — D. The digit in the hundreds place is 3. It is rounded up to 4 because the digit in the tens place is 6, which is greater than or equal to 5. The number is thus rounded up to 74,400. The digit in the thousands place is 4, and remains 4 because the digit in the hundreds place (3) is less than 5. The number is therefore rounded to 74,000. -
ATI TEAS 7
Add: 2/5 + 1/3.
Correct — B. 2 / 5 + 1 / 3 (2 /5) * (3/ 3) + (1 /3) *(5 / 5) 6 / 15 + 5 / 15 (6 + 5) / 15 11 / 15. -
ATI TEAS 7
What is the denominator of 23/78?
Correct — D. The denominator is the bottom number in a fraction. The bottom number of 23/78 is 78. Therefore, the denominator is 78. -
ATI TEAS 7
In a horse race, Horse A beat Horse B by 2 lengths, and Horse B finished 3 lengths ahead of Horse C. How many lengths did Horse C lose the race to Horse A by?
Correct — D. To determine the margin of Horse C's loss to Horse A, we need to add the lengths by which Horse A surpassed Horse B and the lengths by which Horse B finished ahead of Horse C.<br/><br/>Horse A surpassed Horse B by a remarkable 2 lengths.<br/>Horse B finished ahead of Horse C by a remarkable 3 lengths.<br/><br/>Therefore, the total margin of Horse C's loss to Horse A is 2 lengths (from Horse A surpassing Horse B) + 3 lengths (from Horse B finishing ahead of Horse C) = 5 lengths. -
ATI TEAS 7
What must be true about a line graph for its slope to be a constant of proportionality?
Correct — C. For the slope to be a constant of proportionality the graph must be a straight line that also passes though the (0,0) point, a.k.a. the graph's origin. -
ATI TEAS 7
How many square tiles, each 12 inches on a side, will Carol need to cover a floor that is 12 ft wide and 20 ft long?
Correct — C. Find the area of the room by multiplying the length times the width: 20 * 12 = 240 square feet. Each tile measures 12 inches (or 1 foot) on a side, so each tile is 1 square foot. Carol will need 240 tiles to cover the floor. -
ATI TEAS 7
<img src="asset:assets/questions/3bac055519e136b8.jpg"><br/><br/>What is the length of the side z?
Correct — C. <img src="asset:assets/questions/9cb38fc6d4c8ec3a.jpg"><br/><br/>Triangles ABC and ADE are similar.<br/><br/>Therefore, BC/DE = AC/AE<br/><br/>⇒ z/6 = 6/10<br/><br/>⇒ z = 6 × 6/10 = 3.6. -
ATI TEAS 7
Which type of graph would be the most suitable to represent the proportion of a school's annual scholarship fund allocated to freshman students?
Correct — C. A pie chart would most effectively represent the proportion of funds from a school's scholarship program allocated to first-year students each year. A pie chart is a circular chart divided into sectors, where each sector represents a portion of the whole. In this case, each sector of the pie chart would represent the proportion of funds allocated to first-year students for a specific year.<br/><br/>Option B) Line graph: A line graph is used to show how data changes over time or to compare different groups of data. It would not be the most effective choice for representing the proportion of funds allocated to first-year students each year, as it does not accurately represent proportions.<br/><br/>Option C) Scatterplot: A scatterplot is used to display the relationship between two numeric variables. It would not be suitable for representing the proportion of funds allocated to first-year students each year, as it does not provide a clear representation of proportions.<br/><br/>Option D) Histogram: A histogram is used to display the distribution of a single variable. It would not be the most effective choice for representing the proportion of funds allocated to first-year students each year, as it does not accurately represent proportions and is better suited for showing frequency or count data.<br/><br/>In conclusion, a pie chart would most effectively represent the proportion of funds from a school's scholarship program allocated to first-year students each year.
ATI TEAS 7 sample questions
Tap any question below to reveal the answer and a plain-English explanation.
Science What is the quantity of carbon dioxide molecules needed to balance the following reaction: 4C₆H₁₂O₆ + 24O₂ → _______CO₂ + 24H₂O + Energy
A. 8
B. 4
C. 16
D. 24 ✓
Correct — D. In this reaction, 4C₆H₁₂O₆ + 24O₂ will produce 24CO₂ + 24H₂O + Energy. The balanced equation shows that for every 4 molecules of glucose (C₆H₁₂O₆), we need 24 molecules of oxygen (O₂) to completely react. This will produce 24 molecules of carbon dioxide (CO₂) and 24 molecules of water (H₂O) along with the release of energy.
English Language Usage Choose the coordinating conjunction that would correctly complete the blank in the following sentence: I've been cleaning the house all day, ________ I'm going to rest now.
A. For
B. Thus
C. Because
D. So ✓
E. Therefore
Correct — D. The second phrase follows the first, making 'so' the coordinating conjunction that is suitable.
Reading The Corps of Discovery Expedition, later called the Lewis and Clark Expedition, had both scientific and commercial objectives. Meriwether Lewis and William Clark were commissioned by President Thomas Jefferson to study the flora, fauna, geology, cartography (map making), topography (land features) and limnology (study or fresh water systems) of the interior of the northern United States from coast to coast. The goal of these scientific objectives was to learn as much as possible about how to use these things for commercial or economic purposes. The expedition lasted from 1804-1806 and it produced a significant wealth of knowledge about a little known swath of the entire continent. What was the primary purpose of the Lewis and Clark Expedition?
A. To gather information to overtake and rule native Americans in new areas.
B. To figure out the best route for a new transcontinental railroad.
C. To carry out scientific studies on a region to learn how it could be exploited. ✓
D. To find the fastest route from coast to coast.
Correct — C. The primary purpose of the Lewis and Clark Expedition was to carry out scientific studies on a region to learn how it could be exploited. The Lewis and Clark Expedition had both scientific and commercial objectives. The goal of the scientific objectives was to learn as much as possible about how to use these things for commercial or economic purposes, which also means how to exploit them.
English Language Usage Select the option that corrects any errors in the underlined portion(s). If there are no errors, please choose "No change is necessary." Did you get your (A) inoculation against malaria before you left for Africa? It was necessary since you went to a (B) foriegn country. Weren’t you (C) grateful that you did?
A. greatful
B. innoculation
C. No change is necessary.
D. foreign ✓
Correct — D. This word is one that deviates from the “i before e” rule. There is only one “n” in “inoculation” and “grateful” is not spelled by beginning with “great.”
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