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ATI Pharmacology Proctored

1. Which of the following is classified as a class IA Sodium Channel blocker?

Correct answer: A

Rationale: Quinidine is classified as a class IA sodium channel blocker. Class IA antiarrhythmics, like quinidine, work by blocking sodium channels and delaying repolarization. Propafenone, mentioned in the original rationale, is actually a class IC antiarrhythmic agent, not a class IA sodium channel blocker.

2. Which of the following conditions are not treated with opioid analgesics like dextromethorphan and methadone?

Correct answer: C

Rationale: Opioid analgesics like dextromethorphan and methadone are primarily used for pain management and cough suppression. Sedation is not a primary indication for these medications.

3. A drug ending in the suffix (navir) is considered a ______.

Correct answer: B

Rationale: When a drug name ends in the suffix -navir, it indicates that the drug is a protease inhibitor. Protease inhibitors are commonly used in antiviral therapy to treat infections by inhibiting viral replication. Therefore, the correct answer is B: Protease inhibitor.

4. A drug ending in the suffix (pril) is considered a ______.

Correct answer: B

Rationale: Drugs with names ending in -pril are classified as angiotensin-converting enzyme (ACE) inhibitors. These medications are commonly used to manage conditions like high blood pressure, heart failure, and diabetic kidney disease by blocking the conversion of angiotensin I to angiotensin II, leading to vasodilation and decreased blood pressure.

5. Which of the following is not a side effect associated with Prednisone toxicity?

Correct answer: B

Rationale: Prednisone toxicity is not typically associated with hypotension; instead, it can lead to hypertension. Cataracts, psychosis, and acne are known side effects of Prednisone toxicity.

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ATI TEAS 7 Exam Overview

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