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    Biology Today Study Set 2
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    Exam 22: Circulation and Respiration
  5. Question
    When the Heart's Pacemaker Malfunctions, ___ Can Result.​
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When the Heart's Pacemaker Malfunctions, ___ Can Result.​

Question 4

Question 4

Multiple Choice

When the heart's pacemaker malfunctions, ___ can result.​


A) atherosclerosis​
B) ​sudden cardiac arrest
C) ​congenital heart defects
D) ​coronary heart diseases
E) ​hypertrophic cardiac defects

Correct Answer:

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