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Author Question: The initial change in heart rate at the onset of exercise is due to (Read 37 times)

futuristic

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on: Apr 11, 2021

Question 1

During mild to moderate exercise, arterial pH, PO2, and PCO2 are
◦ nearly half of normal.
◦ almost twice as high as normal.
◦ nearly normal.

Question 2

The initial change in heart rate at the onset of exercise is due to
◦ decreased parasympathetic activity.
◦ stretching of the cardiac muscle fibers in response to increased venous return.
◦ overfilling of the ventricles.
◦ increased sympathetic activity.
Human Physiology: An Integrated Approach ¦ Silverthorn ¦ 8th Edition
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Marked as best answer by futuristic on Apr 11, 2021

Carliemb17

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Reply #1 on: Apr 11, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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futuristic

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Reply 2 on: Apr 11, 2021
Wow, this really help

helenmarkerine

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Reply 3 on: Yesterday
:D TYSM

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