Nokea
Common side effect of isoniazide:
- A. Hepatitis
- B. Ototoxicity
- C. Visual toxicity
- D. Hepatitis
Correct Answer: A
Rationale: Isoniazid (likely misspelled as Isoniazide) commonly causes hepatitis as a side effect due to its hepatotoxic potential, requiring liver function monitoring. Note: Option D repeats 'Hepatitis,' but A is intended.
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A patient is prescribed lidocaine for ventricular arrhythmias. Which side effect should the nurse monitor for?
- A. Hypotension
- B. Nausea
- C. Seizures
- D. Bradycardia
Correct Answer: C
Rationale: Lidocaine, a Class IB antiarrhythmic, can cause CNS side effects like seizures at high doses, a key monitoring point.
After teaching a group of nursing students about pharmacokinetics, the instructor determines that the teaching was successful when the students identify which of the following as the first phase?
- A. Metabolism
- B. Absorption
- C. Distribution
- D. Excretion
Correct Answer: B
Rationale: Pharmacokinetics refers to the transportation activity of drugs in the body after administration. The first component is absorption. This is followed by distribution, metabolism, and finally excretion.
The nurse admits a patient to the unit and learns the patient has recently been diagnosed with chronic renal failure but has not informed the primary care provider of this diagnosis. What is the nurse's first priority?
- A. Administer medications ordered immediately.
- B. Maintain the patient's confidentiality.
- C. Call the admitting physician immediately.
- D. Provide teaching about chronic renal failure
Correct Answer: C
Rationale: Renal failure affects drug clearance; informing the physician ensures safe therapy adjustments.
Patients with pheochromocytoma should avoid which of the following classes of drugs because of the possibility of developing hypertensive crisis?
- A. Expectorants
- B. Beta-2-agonists
- C. Antitussives
- D. Antihistamines
Correct Answer: B
Rationale: Beta-2-agonists can stimulate catecholamine release in pheochromocytoma, risking hypertensive crisis; other classes are safer.
A nursing instructor is preparing a teaching plan for a group of nursing students about pharmacology. When describing this topic, the instructor would focus the discussion on which of the following as an essential aspect?
- A. Drug name
- B. Drug class
- C. Drug action
- D. Drug source
Correct Answer: C
Rationale: Pharmacology is the study of drugs and their action on living organisms. Thus, an essential aspect of pharmacology is drug action. An understanding of the drug name, drug class, and drug source is important, but the most critical aspect related to pharmacology is how the drug acts in the body.