Quiz About CA Channel Blockers
Muscle cells require calcium to contract. Calcium channel blocker drugs reduce the amount of calcium that enters the smooth muscle in blood vessel walls and heart muscle. Take this quiz on CA channel blockers and see the effects and use of such drugs and how to prescribe them. All the best!
- 1.
Which one of the following can NOT be controlled be calcium channel blockers?
- A.
Angina
- B.
Hypertension
- C.
Dysrhythmias
- D.
Valvular disorders
Correct Answer
D. Valvular disordersExplanation
Calcium channel blockers can control angina, hypertension, and dysrhythmias.
LeMone, P., Burke, K., & Bauldoff, G. (2011). Medical-Surgical Nursing: Critical Thinking in Patient Care, 5th ed., San Francisco: Pearson. p.922-924.Rate this question:
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- 2.
Which of the following is NOT a sign of toxicity, from calcium channel blockers?
- A.
Hypotension
- B.
Hypertension
- C.
Bradycardia
- D.
AV block
Correct Answer
B. HypertensionExplanation
Signs of toxicity include hypotension, AV block, bradycardia, signs of decreased cardiac output, nausea, and generalized weakness.
LeMone, P., Burke, K., & Bauldoff, G. (2011). Medical-Surgical Nursing: Critical Thinking in Patient Care, 5th ed., San Francisco: Pearson. p.922-924.Rate this question:
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- 3.
Which of the following is a priority nursing assessment, for the patient taking calcium channel blockers?
- A.
Blood pressure
- B.
Level of consciousness
- C.
Respiratory rate
- D.
Urinary output
Correct Answer
A. Blood pressureExplanation
Monitor BP and HR closely with calcium channel blockers - they can lower both.
LeMone, P., Burke, K., & Bauldoff, G. (2011). Medical-Surgical Nursing: Critical Thinking in Patient Care, 5th ed., San Francisco: Pearson. p.922-924.Rate this question:
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- 4.
True or False: You should withhold a calcium channel blocker if the heart rate is below 70bpm.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Withhold calcium channel blockers if the heart rate is below 50 bpm.
LeMone, P., Burke, K., & Bauldoff, G. (2011). Medical-Surgical Nursing: Critical Thinking in Patient Care, 5th ed., San Francisco: Pearson. p.922-924.Rate this question:
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- 5.
True or False: Calcium channel blockers combined with beta blockers can cause significant hypotension and/or bradycardia.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
They both lower blood pressure - and heart rate. If given together, they may produce twice the results.
LeMone, P., Burke, K., & Bauldoff, G. (2011). Medical-Surgical Nursing: Critical Thinking in Patient Care, 5th ed., San Francisco: Pearson. p.922-924.Rate this question:
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- 6.
True or False: Calcium channel blockers can be used to prevent an acute angina attack.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Calcium channel blockers are not effective in an acute angina attack. Use a fast-acting nitrate in that situation.
LeMone, P., Burke, K., & Bauldoff, G. (2011). Medical-Surgical Nursing: Critical Thinking in Patient Care, 5th ed., San Francisco: Pearson. p.922-924.Rate this question:
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- 7.
Which of the following is NOT accomplished by calcium channel blockers?
- A.
Increased myocardial oxygen supply
- B.
Dilated coronary arteries
- C.
Increased vascular resistance
- D.
Decreased oxygen demand
Correct Answer
C. Increased vascular resistanceExplanation
Calcium channel blockers increase myocardial oxygen supply by dilating the coronary arteries. They decrease vascular resistance and decrease oxygen demand.
LeMone, P., Burke, K., & Bauldoff, G. (2011). Medical-Surgical Nursing: Critical Thinking in Patient Care, 5th ed., San Francisco: Pearson. p.922-924.Rate this question:
-
- 8.
True or False: Calcium channel blockers decrease the workload of the heart.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Yes, calcium channel blockers do decrease the heart's workload.
LeMone, P., Burke, K., & Bauldoff, G. (2011). Medical-Surgical Nursing: Critical Thinking in Patient Care, 5th ed., San Francisco: Pearson. p.922-924.Rate this question:
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- 9.
Which of the following solutions should you NEVER mix Verapamil with?
- A.
Calcium bicarbonate
- B.
Sodium bicarbonate
- C.
Potassium chloride
- D.
Magnesium sulfate
Correct Answer
B. Sodium bicarbonateExplanation
Verapamil should never be mixed with sodium bicarbonate.
LeMone, P., Burke, K., & Bauldoff, G. (2011). Medical-Surgical Nursing: Critical Thinking in Patient Care, 5th ed., San Francisco: Pearson. p.922-924.Rate this question:
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Feb 20, 2023Quiz Edited by
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Mar 01, 2013Quiz Created by
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