Advanced Pharmacology Mock
Rehearsal Exam| 2025/2026 Certification|
Verified Q&A
1. What term describes the fraction of an administered drug that reaches the systemic circulation?
Bioavailability
2. Which pharmacokinetic phase involves the movement of drugs from the bloodstream to the
tis...
1. What term describes the fraction of an administered drug that reaches the systemic circulation?
Bioavailability
2. Which pharmacokinetic phase involves the movement of drugs from the bloodstream to the
tissues?
Distribution
3. In pharmacodynamics, what term describes the maximum effect a drug can produce,
regardless of dose?
Efficacy
4. Which process describes the body's ability to change drug concentration through liver
enzymes?
Metabolism
5. For drugs administered orally, which organ is primarily responsible for first-pass metabolism?
Liver
1
,6. What term refers to the time required for a drug’s plasma concentration to reduce by half?
Half-life
7. Which CYP450 enzyme is most commonly involved in drug metabolism and can affect many
medications?
CYP3A4
8. In pharmacogenomics, which gene variant is linked to slower metabolism of certain drugs,
such as antidepressants?
CYP2D6
9. Genetic testing for the HLA-B*5801 allele is essential before initiating which drug to avoid
severe reactions in specific populations?
Allopurinol
10. Warfarin dosing is often adjusted based on genetic testing for which two genes?
CYP2C9 and VKORC1
11. Which enzyme deficiency could result in hemolysis in patients taking drugs like primaquine?
G6PD
12. Why should geriatric patients often receive lower doses of renally excreted drugs?
2
, Reduced renal clearance
13. Which process is typically reduced in elderly patients, impacting the elimination of certain
drugs?
Glomerular filtration rate (GFR)
14. For pediatric patients, which pharmacokinetic phase is slower due to immature enzyme
activity?
Metabolism
15. Which medication is contraindicated in pregnancy because it can cause fetal malformations?
Isotretinoin
16. A patient has overdosed on acetaminophen. Which antidote should be administered to prevent
liver damage?
N-acetylcysteine
17. In the case of benzodiazepine overdose, what is the primary antidote?
Flumazenil
18. Which toxicity is a concern when giving high doses of aspirin, especially in children?
Reye’s syndrome
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