PTCB Drug Test #3 3

Question 1

Which of the following drugs is used to reverse opioid overdose?

Accepted Answer

Naloxone

Answer

Naloxone (Narcan) is the opioid antagonist used for emergency reversal of opioid overdose. Flumazenil reverses benzodiazepines. Naltrexone prevents relapse. Buprenorphine is a partial agonist.

Question 2

A patient needs 2.5 g of a drug. The stock solution is 500 mg/mL. How many mL are required?

Accepted Answer

5 mL

Answer

2.5 g = 2500 mg. Volume = 2500 mg ÷ 500 mg/mL = 5 mL.

Question 3

What class of drug is duloxetine (Cymbalta)?

Accepted Answer

SNRI

Answer

Duloxetine (Cymbalta) is an SNRI (serotonin-norepinephrine reuptake inhibitor) used for depression, anxiety, diabetic neuropathy, and fibromyalgia.

Question 4

Which of the following requires refrigeration for storage?

Accepted Answer

Amoxicillin reconstituted suspension

Answer

Amoxicillin suspension, once reconstituted, must be refrigerated (2–8°C) and discarded after 10–14 days. Tablets and capsules are generally stored at room temperature.

Question 5

Sildenafil (Viagra) belongs to which drug class?

Accepted Answer

PDE-5 inhibitor

Answer

Sildenafil is a phosphodiesterase-5 (PDE-5) inhibitor that increases cGMP, causing smooth muscle relaxation and vasodilation, used for erectile dysfunction and pulmonary arterial hypertension.

Pharmacy Practice Test

Pharmacy Practice Test

PTCB Drug Test #3 3