Quiz About CA Channel Blockers

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Quizzes Created: 8 | Total Attempts: 56,885
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Quiz About CA Channel Blockers - Quiz

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!


Questions and Answers
  • 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 disorders
    Explanation
    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.

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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. Hypertension
    Explanation
    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:

  • 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 pressure
    Explanation
    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:

  • 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. False
    Explanation
    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:

  • 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. True
    Explanation
    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:

  • 6. 

    True or False: Calcium channel blockers can be used to prevent an acute angina attack. 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    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:

  • 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 resistance
    Explanation
    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. True
    Explanation
    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:

  • 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 bicarbonate
    Explanation
    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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  • Current Version
  • Feb 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 01, 2013
    Quiz Created by
    Mamatomaddy
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