Nokea
The client is on enalapril (Vasotec) for hypertension. What side effect is most commonly associated with this medication?
- A. Dry cough
- B. Hypotension
- C. Hyperkalemia
- D. Headache
Correct Answer: A
Rationale: The correct answer is A: Dry cough. Enalapril is an ACE inhibitor, which commonly causes a dry cough due to increased bradykinin levels. This side effect is well-documented in literature and can lead to medication non-adherence. Other choices (B) Hypotension, (C) Hyperkalemia, and (D) Headache are potential side effects of enalapril but are not as commonly associated as dry cough. Hypotension and hyperkalemia are more serious adverse effects that require monitoring, while headache is a less common side effect compared to dry cough.
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If Mr. G experiences ventricular fibrillation, which drug would the nurse prepare to administer?
- A. Morphine
- B. Digitalis
- C. Epinephrine
- D. Atropine
Correct Answer: C
Rationale: Epinephrine is used to treat ventricular fibrillation.
Nurse's role in management of client with permanent pacemaker implant.
- A. Monitoring
- B. Education
- C. Both A and B
- D. None of the above
Correct Answer: C
Rationale: Nurses monitor device function and educate patients about care.
Which neurotransmitter is released by the sympathetic nervous system (SNS) to increase heart rate and the force of contraction of the heart?
- A. Norepinephrine
- B. Epinephrine
- C. Dopamine
- D. Acetylcholine
Correct Answer: A
Rationale: The correct answer is A: Norepinephrine. Norepinephrine is released by the sympathetic nervous system (SNS) to increase heart rate and the force of contraction. This neurotransmitter acts on beta-1 adrenergic receptors in the heart, leading to these effects. Epinephrine (choice B) is also released by the SNS and acts similarly to norepinephrine but is not as specific for the heart's beta-1 receptors. Dopamine (choice C) primarily acts as a precursor to norepinephrine and epinephrine and does not directly increase heart rate or force of contraction. Acetylcholine (choice D) is released by the parasympathetic nervous system and decreases heart rate and the force of contraction.
Which artery supplies the anterior wall of the left ventricle, the anterior interventricular septum, the anterior papillary muscles, and apex of the heart?
- A. Left anterior descending artery
- B. Left circumflex artery
- C. Posterior descending artery
- D. Aortic artery
Correct Answer: A
Rationale: The correct answer is A: Left anterior descending artery. This artery supplies the structures mentioned due to its location and distribution in the heart. The left anterior descending artery runs along the anterior interventricular groove and provides blood flow to the anterior wall of the left ventricle, anterior interventricular septum, anterior papillary muscles, and apex of the heart. The other choices are incorrect because:
B: Left circumflex artery supplies the lateral and posterior walls of the left ventricle.
C: Posterior descending artery supplies the inferior part of the heart.
D: Aortic artery is not a specific artery that supplies the mentioned structures.
This is a procedure where a small mesh tube is inserted into an artery to keep it open and improve blood flow.
- A. Stent placement
- B. Angioplasty
- C. Bypass surgery
- D. Coronary artery bypass graft (CABG)
Correct Answer: A
Rationale: The correct answer is A: Stent placement. Stent placement involves inserting a mesh tube into an artery to keep it open and improve blood flow. This procedure is minimally invasive compared to bypass surgery (C) and CABG (D), which involve rerouting blood flow. Angioplasty (B) is related but specifically refers to widening the artery using a balloon catheter, not inserting a mesh tube like in stent placement. Therefore, A is the best choice for the given procedure.