ExCPT Pharmacology

Question 1

Which term describes the study of how drugs act on the body, including mechanisms and effects?

Accepted Answer

Pharmacodynamics

Answer

Pharmacodynamics is the branch of pharmacology that studies the biochemical and physiological effects of drugs on the body. It focuses on understanding how drugs exert their actions, including their mechanisms of action, receptor interactions, and the resulting therapeutic and adverse effects. In contrast, pharmacokinetics describes what the body does to the drug.

Question 2

Which medication is classified as a loop diuretic commonly used for edema and heart failure?

Accepted Answer

Furosemide

Answer

Furosemide is a potent loop diuretic, meaning it acts on the loop of Henle in the kidneys to increase urine output. It is widely used to treat edema (fluid retention) associated with conditions like heart failure, liver disease, and kidney disease. Its strong diuretic effect helps to remove excess fluid from the body.

Question 3

Which adverse effect is most commonly associated with ACE inhibitors such as lisinopril?

Accepted Answer

Dry, persistent cough

Answer

A dry, persistent cough is a very common and well-known adverse effect associated with ACE inhibitors like lisinopril. This cough is thought to be caused by the accumulation of bradykinin, a substance that is normally broken down by the ACE enzyme. If the cough is bothersome, patients may be switched to an ARB.

Question 4

Which antibiotic class does amoxicillin belong to?

Accepted Answer

Penicillin

Answer

Amoxicillin is a broad-spectrum antibiotic that belongs to the penicillin class of antibiotics. It is a beta-lactam antibiotic, meaning it works by inhibiting bacterial cell wall synthesis. Amoxicillin is commonly prescribed to treat various bacterial infections, including respiratory tract infections, ear infections, and urinary tract infections.

Question 5

A patient taking simvastatin should be warned about which potential serious adverse effect?

Accepted Answer

Severe muscle pain or weakness

Answer

Patients taking statin medications like simvastatin should be warned about the potential for severe muscle pain or weakness, a condition known as myopathy. In rare but serious cases, this can progress to rhabdomyolysis, which involves severe muscle breakdown and can lead to kidney damage. Patients are advised to report any unexplained muscle symptoms promptly.

ExCPT Practice Test

ExCPT Practice Test

ExCPT Pharmacology