What valve is located between the right atrium and right ventricle?
a. bicuspid valve
b. pulmonary valve
c. aortic valve
d. tricuspid valve
Answer: d. tricuspid valve
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Cardiac output is calculated by multiplying the stroke volume by the systolic blood pressure.
Answer the following statement true (T) or false (F)
Sympathetic stimulation increases contractile strength by:
a. decreasing sodium permeability b. increasing calcium permeability c. closing funny channels d. cause the resting potential to become more negative e. increasing threshold
True or false: Positive feedback mechanisms are less common in healthy individuals than negative feedback mechanisms
Indicate whether the statement is true or false.
What is the function of the pancreas?
A. Neutralizes the acids of chyme B. Chemically digests proteins C. Chemically digests carbohydrates D. All of these answers are correct