The amount of blood pumped out of each ventricle in one minute is called:
A. stroke volume.
B. cardiac output.
C. cardiac reserve.
D. end diastolic volume.
Answer: B. cardiac output.
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The inferior chambers of the heart are called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following carpal bones is named for its large hook-shaped projection on its anterior surface?
a) Lunate b) Scaphoid c) Triquetrum d) Hamate e) Pisiform
The highest level of exercise that can be performed without causing a significant change in blood pH is called the
A. Hering-Breuer reflex. B. aerobic threshold. C. anaerobic threshold. D. lactic acid tolerance level.
Which of these muscles that act on the foot should not be grouped with the others?
A. Tibialis anterior B. Extensor digitorum longus C. Soleus D. Fibularis tertius