NU553 EXAM UNIT 1 AND LATEST
UNIT 2 QUESTIONS AND
ANSWERS 2026 - 2027
How can beta-lactamase resistance be overcome? - ANSWERS-By
adding an inhibitor like clavulanic acid.
What are the two main ways resistance spreads among bacteria? -
ANSWERS-Vertical (mutation passed to offspring) and horizontal
(DNA sharing).
What are the key considerations for antimicrobial selection? -
ANSWERS-Organism, site of infection, drug properties, and host
factors.
What is the first-line treatment for anaphylaxis? - ANSWERS-
Epinephrine administered intramuscularly.
What differentiates a side effect from an allergy? - ANSWERS-A side
effect is expected and dose-related, while an allergy is an immune
response.
What is the mechanism of action of NRTIs in HIV treatment? -
ANSWERS-They block viral DNA formation.
END OF
PAGE
1
, NU553 EXAM UNIT 1 AND LATEST
UNIT 2 QUESTIONS AND
ANSWERS 2026 - 2027
What are the side effects associated with Protease Inhibitors? -
ANSWERS-Metabolic syndrome and lipodystrophy.
What is the goal of antiretroviral therapy (ART) in HIV management? -
ANSWERS-To suppress viral load to undetectable levels.
What is the difference between PrEP and PEP in HIV prevention? -
ANSWERS-PrEP is taken before exposure, while PEP is taken after
exposure.
What are the contraindications for live vaccines? - ANSWERS-
Pregnancy and immunocompromised patients.
What is the mechanism of action of GLP-1 agonists in weight
management? - ANSWERS-They mimic GLP-1, decrease appetite, slow
gastric emptying, and increase satiety.
What is the recommended BMI for initiating weight management
medications? - ANSWERS-BMI >30 or >27 with comorbidities.
END OF
PAGE
2
UNIT 2 QUESTIONS AND
ANSWERS 2026 - 2027
How can beta-lactamase resistance be overcome? - ANSWERS-By
adding an inhibitor like clavulanic acid.
What are the two main ways resistance spreads among bacteria? -
ANSWERS-Vertical (mutation passed to offspring) and horizontal
(DNA sharing).
What are the key considerations for antimicrobial selection? -
ANSWERS-Organism, site of infection, drug properties, and host
factors.
What is the first-line treatment for anaphylaxis? - ANSWERS-
Epinephrine administered intramuscularly.
What differentiates a side effect from an allergy? - ANSWERS-A side
effect is expected and dose-related, while an allergy is an immune
response.
What is the mechanism of action of NRTIs in HIV treatment? -
ANSWERS-They block viral DNA formation.
END OF
PAGE
1
, NU553 EXAM UNIT 1 AND LATEST
UNIT 2 QUESTIONS AND
ANSWERS 2026 - 2027
What are the side effects associated with Protease Inhibitors? -
ANSWERS-Metabolic syndrome and lipodystrophy.
What is the goal of antiretroviral therapy (ART) in HIV management? -
ANSWERS-To suppress viral load to undetectable levels.
What is the difference between PrEP and PEP in HIV prevention? -
ANSWERS-PrEP is taken before exposure, while PEP is taken after
exposure.
What are the contraindications for live vaccines? - ANSWERS-
Pregnancy and immunocompromised patients.
What is the mechanism of action of GLP-1 agonists in weight
management? - ANSWERS-They mimic GLP-1, decrease appetite, slow
gastric emptying, and increase satiety.
What is the recommended BMI for initiating weight management
medications? - ANSWERS-BMI >30 or >27 with comorbidities.
END OF
PAGE
2
