QuestionJuly 9, 2025

39) All of the following factors decreases heart rate except a. After exercise b. Decrease in calcium c. Increase in potassium d. Increase in body temperature

39) All of the following factors decreases heart rate except a. After exercise b. Decrease in calcium c. Increase in potassium d. Increase in body temperature
39) All of the following factors decreases heart rate except
a. After exercise
b. Decrease in calcium
c. Increase in potassium
d. Increase in body temperature

Solution
4.0(205 votes)

Answer

d. Increase in body temperature Explanation 1. Identify factors affecting heart rate Heart rate is influenced by exercise, electrolyte levels (calcium and potassium), and body temperature. 2. Analyze each option a. After exercise: Typically increases heart rate. b. Decrease in calcium: Can decrease heart rate. c. Increase in potassium: Can decrease heart rate. d. Increase in body temperature: Typically increases heart rate.

Explanation

1. Identify factors affecting heart rate<br /> Heart rate is influenced by exercise, electrolyte levels (calcium and potassium), and body temperature.<br /><br />2. Analyze each option<br /> a. After exercise: Typically increases heart rate.<br /> b. Decrease in calcium: Can decrease heart rate.<br /> c. Increase in potassium: Can decrease heart rate.<br /> d. Increase in body temperature: Typically increases heart rate.
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