Multiple Choice
In a physiology lab, the students designed an experiment to illustrate how the heart responds to changes in blood pressure. Everyone relaxed and then did a headstand. Which of the following observations are consistent with the change in the function of their hearts?
A) Increased heart rate
B) Decreased heart rate
C) Increased stroke volume
D) Decreased stroke volume
E) Both decreased heart rate and increased stroke volume
Correct Answer:

Verified
Correct Answer:
Verified
Q139: Blood does not enter or leave the
Q140: End-diastolic volume minus end-systolic volume is equal
Q141: All of the following are functions of
Q142: The adult heart averages _ grams.<br>A) 100-200<br>B)
Q143: If cardiac muscle cells are unable to
Q145: Which of the following is NOT true
Q146: Action potentials pass from one cardiac muscle
Q147: What is the importance of the delay
Q148: Which cardiac arrhythmia will have no QRS
Q149: Cardiac muscle cells<br>A) have smooth ER but