FPGEE Pharmacy Grad Prep practice questions and answers 2026. Tap an option to test yourself — you'll see the correct answer and a plain-English explanation for every question. Free, no login.
Q11Which phase of the action potential is responsible for the rapid depolarization of neurons?
✓ Correct answer: B. Sodium channel opening
The rapid depolarization phase of the action potential is caused by the opening of voltage-gated sodium channels, allowing sodium ions to rush into the cell.
Q12What is the primary function of toll-like receptors (TLRs)?
✓ Correct answer: A. Recognition of pathogen-associated molecular patterns
TLRs are pattern recognition receptors that recognize specific molecular patterns associated with pathogens, initiating innate immune responses.
Q13Which process is responsible for the production of antibody diversity?
✓ Correct answer: D. V(D)J recombination
V(D)J recombination is a genetic recombination process that combines different gene segments to create diverse antibody sequences, enabling recognition of many different antigens.
Q14What is the role of the renin-angiotensin-aldosterone system in blood pressure regulation?
✓ Correct answer: C. Increases blood pressure through vasoconstriction and sodium retention
The renin-angiotensin-aldosterone system increases blood pressure by promoting vasoconstriction through angiotensin II and sodium retention through aldosterone.
Q15Which enzyme is responsible for converting glucose-6-phosphate to fructose-6-phosphate in glycolysis?
✓ Correct answer: B. Glucose-6-phosphate isomerase
Glucose-6-phosphate isomerase catalyzes the isomerization of glucose-6-phosphate to fructose-6-phosphate in the second step of glycolysis.
Q16What is the primary function of regulatory T cells?
✓ Correct answer: A. Suppression of immune responses
Regulatory T cells (Tregs) maintain immune homeostasis by suppressing immune responses, preventing autoimmune diseases and excessive immune reactions.
Q17Which bacterial characteristic makes Gram-negative bacteria more resistant to certain antibiotics?
✓ Correct answer: D. Outer membrane presence
The outer membrane of Gram-negative bacteria provides an additional permeability barrier that makes them more resistant to certain antibiotics compared to Gram-positive bacteria.
Q18What is the role of CD4+ T cells in the immune response?
✓ Correct answer: C. Helper T cell functions and cytokine production
CD4+ T cells function as helper T cells, coordinating immune responses by producing cytokines and activating other immune cells.
Q19Which process is involved in the cellular response to heat shock?
✓ Correct answer: B. Increased heat shock protein synthesis
Heat shock response involves increased synthesis of heat shock proteins, which act as molecular chaperones to protect other proteins from denaturation during stress.
Q20What is the primary function of the glomerular filtration barrier?
✓ Correct answer: A. Selective filtration of blood components based on size and charge
The glomerular filtration barrier selectively filters blood components based on their size and electrical charge, preventing the loss of essential proteins while allowing waste products to be filtered.
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Theory