TheoryNBCE Part 1 Chiro Exam Prep
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NBCE Part 1 Chiro Exam Prep exam — full Q&A walkthrough
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30 free NBCE Part 1 Chiro Exam Prep questions
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NBCE Part 1 Chiro Exam Prep
Which of the following cardiac valves is located between the left atrium and left ventricle?
Correct — D. The mitral (bicuspid) valve is located between the left atrium and left ventricle, controlling blood flow between these two chambers during the cardiac cycle. -
NBCE Part 1 Chiro Exam Prep
Which structure forms the anatomical boundary between the right and left ventricles of the heart?
Correct — C. The interventricular septum is the muscular wall that separates the right and left ventricles of the heart, preventing mixing of oxygenated and deoxygenated blood. -
NBCE Part 1 Chiro Exam Prep
Which of the following vessels carries oxygenated blood from the heart to the systemic circulation?
Correct — B. The aorta is the main artery that carries oxygenated blood from the left ventricle of the heart to the systemic circulation for distribution throughout the body. -
NBCE Part 1 Chiro Exam Prep
Which layer of the heart wall contains cardiac muscle cells?
Correct — A. The myocardium is the middle and thickest layer of the heart wall, consisting primarily of cardiac muscle cells that contract to pump blood through the circulatory system. -
NBCE Part 1 Chiro Exam Prep
Which of the following is NOT a chamber of the heart?
Correct — D. The ventriculum is not a chamber of the heart. The heart consists of four chambers: right atrium, right ventricle, left atrium, and left ventricle. -
NBCE Part 1 Chiro Exam Prep
Which of the following vessels returns deoxygenated blood from the lower body to the heart?
Correct — C. The inferior vena cava is the large vein that carries deoxygenated blood from the lower half of the body back to the right atrium of the heart. -
NBCE Part 1 Chiro Exam Prep
Which of the following structures is the primary site of lymphocyte production?
Correct — B. Bone marrow is the primary site of lymphocyte production, including both B lymphocytes and the precursors of T lymphocytes (which later mature in the thymus). -
NBCE Part 1 Chiro Exam Prep
Which part of the lymphatic system is responsible for T-lymphocyte maturation?
Correct — A. The thymus is the primary lymphoid organ where T-lymphocytes mature and develop immunocompetence before being released into the circulation. -
NBCE Part 1 Chiro Exam Prep
Which of the following best describes the histological structure of an artery wall?
Correct — D. The wall of an artery consists of three distinct layers: tunica intima (innermost, endothelium and connective tissue), tunica media (middle, smooth muscle and elastic fibers), and tunica adventitia (outermost, connective tissue). -
NBCE Part 1 Chiro Exam Prep
Which of the following structures contribute to the cardiac skeleton?
Correct — C. The fibrous rings (annuli fibrosi) surrounding the heart valves form the cardiac skeleton, providing structural support and electrical isolation between atria and ventricles. -
NBCE Part 1 Chiro Exam Prep
What is the embryonic structure that gives rise to the heart?
Correct — B. The cardiac tube, formed from paired endocardial tubes that fuse in the midline during embryonic development, gives rise to the primitive heart and undergoes folding and septation to form the four-chambered heart. -
NBCE Part 1 Chiro Exam Prep
Which of the following statements best describes the pericardium?
Correct — A. The pericardium is a double-walled sac that surrounds the heart, with the visceral layer (epicardium) adhering to the heart surface and the parietal layer forming the outer sac, with pericardial fluid in between. -
NBCE Part 1 Chiro Exam Prep
Which coronary artery typically supplies the sinoatrial (SA) node?
Correct — D. The right coronary artery typically supplies the sinoatrial node (in about 60-70% of people), which is the primary pacemaker of the heart located in the right atrial wall. -
NBCE Part 1 Chiro Exam Prep
What is the primary function of the lymphatic vessels?
Correct — C. The primary function of lymphatic vessels is to collect excess interstitial fluid from tissues and return it to the blood circulation, helping maintain fluid balance in the body. -
NBCE Part 1 Chiro Exam Prep
Which of the following is NOT a normal component of the conducting system of the heart?
Correct — B. The stellate ganglion is not part of the heart's conducting system. It is a sympathetic ganglion in the neck that provides sympathetic innervation to the heart. The conducting system includes the SA node, AV node, bundle of His, and Purkinje fibers. -
NBCE Part 1 Chiro Exam Prep
Which of the following best describes the histological structure of the spleen?
Correct — A. The spleen consists of white pulp (lymphoid tissue arranged around central arteries) and red pulp (blood-filled sinusoids and splenic cords), surrounded by a fibrous capsule with trabeculae extending inward. -
NBCE Part 1 Chiro Exam Prep
Which of the following vessels drain lymph from the lower limbs and abdomen?
Correct — D. The cisterna chyli collects lymph from the lower limbs and abdomen before it enters the thoracic duct, which is the largest lymphatic vessel in the body. -
NBCE Part 1 Chiro Exam Prep
Which of the following is the correct sequence of blood flow through the heart?
Correct — C. Blood flows through the heart in this sequence: right atrium → right ventricle → pulmonary arteries → lungs → pulmonary veins → left atrium → left ventricle → aorta. -
NBCE Part 1 Chiro Exam Prep
Which of the following is the most accurate description of a lymph node?
Correct — B. Lymph nodes are bean-shaped structures along lymphatic vessels that filter lymph and contain lymphocytes and macrophages that detect and respond to foreign antigens. -
NBCE Part 1 Chiro Exam Prep
During embryonic development, which of the following structures gives rise to the majority of the heart's myocardium?
Correct — A. The splanchnic mesoderm gives rise to the majority of the heart's myocardium during embryonic development. This mesoderm forms the cardiogenic region that develops into the primitive heart tube. -
NBCE Part 1 Chiro Exam Prep
What is the function of the chordae tendineae in the heart?
Correct — D. The chordae tendineae are fibrous cords that connect the papillary muscles to the atrioventricular valves (mitral and tricuspid), preventing valve prolapse during ventricular contraction. -
NBCE Part 1 Chiro Exam Prep
Which of the following structures is responsible for the drainage of lymph from most of the body into the venous system?
Correct — C. The thoracic duct is the largest lymphatic vessel and drains lymph from most of the body (except the right upper quadrant) into the venous system at the junction of the left subclavian and internal jugular veins. -
NBCE Part 1 Chiro Exam Prep
Which of the following best describes the location of the thymus?
Correct — B. The thymus is located in the anterior mediastinum, behind the sternum and above the heart, between the lungs. -
NBCE Part 1 Chiro Exam Prep
What type of capillaries are found in the spleen?
Correct — A. Discontinuous capillaries (sinusoids) are found in the spleen, characterized by large gaps between endothelial cells that allow blood cells and macromolecules to pass between the vessel lumen and surrounding tissue. -
NBCE Part 1 Chiro Exam Prep
Which anatomical plane divides the body into anterior and posterior portions?
Correct — D. The coronal (frontal) plane is a vertical plane that divides the body into anterior (front) and posterior (back) portions. This is distinct from the sagittal plane, which divides into right and left, and the transverse plane, which divides into superior and inferior portions. -
NBCE Part 1 Chiro Exam Prep
Which directional term correctly describes the relationship of the umbilicus to the xiphoid process?
Correct — C. The umbilicus (navel) is located inferior to the xiphoid process (the most inferior portion of the sternum). Inferior means below or toward the feet in anatomical position. -
NBCE Part 1 Chiro Exam Prep
Which surface landmark is located at the intersection of the midclavicular line and the costal margin?
Correct — B. The tip of the 9th costal cartilage is typically found at the intersection of the midclavicular line and the costal margin. This is an important landmark for locating underlying organs and performing physical examinations. -
NBCE Part 1 Chiro Exam Prep
In the anatomical position, which of the following statements is correct?
Correct — A. In the anatomical position, the body stands erect, facing forward, with arms at the sides and palms facing forward (anteriorly). The feet are parallel and the head is level. -
NBCE Part 1 Chiro Exam Prep
Which of the following structures is a reliable surface landmark for locating the cricothyroid membrane?
Correct — D. The thyroid cartilage (Adam's apple) is directly superior to the cricothyroid membrane. Palpating the thyroid cartilage and moving inferior allows for identification of the cricothyroid membrane, an important landmark in emergency airway procedures. -
NBCE Part 1 Chiro Exam Prep
The carotid pulse is best palpated at what location in the neck?
Correct — C. The carotid pulse is best palpated in the groove between the trachea and sternocleidomastoid muscle at the level of the thyroid cartilage. This location allows for optimal access to the common carotid artery.
NBCE Part 1 Chiro Exam Prep sample questions
Tap any question below to reveal the answer and a plain-English explanation.
NBCE Part 1 Chiro Exam Prep Which of the following best describes the location of the thymus?
A. In the neck, anterior to the thyroid gland
B. In the anterior mediastinum, behind the sternum ✓
C. In the posterior mediastinum, anterior to the vertebral column
D. In the left upper quadrant of the abdomen
Correct — B. The thymus is located in the anterior mediastinum, behind the sternum and above the heart, between the lungs.
NBCE Part 1 Chiro Exam Prep What type of capillaries are found in the spleen?
A. Discontinuous capillaries (sinusoids) ✓
B. Continuous capillaries
C. Fenestrated capillaries
D. Lymphatic capillaries
Correct — A. Discontinuous capillaries (sinusoids) are found in the spleen, characterized by large gaps between endothelial cells that allow blood cells and macromolecules to pass between the vessel lumen and surrounding tissue.
NBCE Part 1 Chiro Exam Prep Which anatomical plane divides the body into anterior and posterior portions?
A. Sagittal plane
B. Transverse plane
C. Oblique plane
D. Coronal plane ✓
Correct — D. The coronal (frontal) plane is a vertical plane that divides the body into anterior (front) and posterior (back) portions. This is distinct from the sagittal plane, which divides into right and left, and the transverse plane, which divides into superior and inferior portions.
NBCE Part 1 Chiro Exam Prep Which directional term correctly describes the relationship of the umbilicus to the xiphoid process?
A. Lateral
B. Proximal
C. Inferior ✓
D. Superior
Correct — C. The umbilicus (navel) is located inferior to the xiphoid process (the most inferior portion of the sternum). Inferior means below or toward the feet in anatomical position.
NBCE Part 1 Chiro Exam Prep Which surface landmark is located at the intersection of the midclavicular line and the costal margin?
A. Umbilicus
B. Tip of the 9th costal cartilage ✓
C. McBurney's point
D. Sternal angle
Correct — B. The tip of the 9th costal cartilage is typically found at the intersection of the midclavicular line and the costal margin. This is an important landmark for locating underlying organs and performing physical examinations.
NBCE Part 1 Chiro Exam Prep In the anatomical position, which of the following statements is correct?
A. The palms face anteriorly ✓
B. The palms face posteriorly
C. The head is flexed forward
D. The feet are turned laterally
Correct — A. In the anatomical position, the body stands erect, facing forward, with arms at the sides and palms facing forward (anteriorly). The feet are parallel and the head is level.
NBCE Part 1 Chiro Exam Prep Which of the following structures is a reliable surface landmark for locating the cricothyroid membrane?
A. Hyoid bone
B. Mastoid process
C. Suprasternal notch
D. Thyroid cartilage ✓
Correct — D. The thyroid cartilage (Adam's apple) is directly superior to the cricothyroid membrane. Palpating the thyroid cartilage and moving inferior allows for identification of the cricothyroid membrane, an important landmark in emergency airway procedures.
NBCE Part 1 Chiro Exam Prep The carotid pulse is best palpated at what location in the neck?
A. In the midline over the thyroid isthmus
B. Superior to the clavicle in the posterior triangle
C. Between the trachea and sternocleidomastoid muscle ✓
D. Posterior to the sternocleidomastoid muscle
Correct — C. The carotid pulse is best palpated in the groove between the trachea and sternocleidomastoid muscle at the level of the thyroid cartilage. This location allows for optimal access to the common carotid artery.
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- Safe and effective care environment
- Health promotion and maintenance
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Topics in this question bank
Safe and effective care environment
Health promotion and maintenance
Psychosocial and physiological integrity
Pharmacology, infection control and patient safety
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