In the systemic circuit, which of these best describes active hyperemia?
A. increased metabolic activity that results in vasoconstriction
B. increased metabolic activity that results in vasodilation
C. decreased blood flow to tissues that results in vasoconstriction
D. decreased blood flow to tissues that results in vasodilation
E. increased blood pressure that drives blood more rapidly through tissues
B
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Cardiac output is the amount of blood that is pumped
A. by a single ventricle in one hour. B. by a single ventricle in one minute. C. by both ventricles in one hour. D. by both ventricles in one minute. E. by the left ventricle into the aorta in one beat.
Systolic pressure is greater than diastolic pressure due to the force generated by ventricular contraction.
Answer the following statement true (T) or false (F)
The ________ is the prime elbow flexor.
A. biceps femoris B. biceps brachii C. triceps brachii D. flexor digitorum
Lymphocytes do not mature in which of the following organs?
A. Lymph nodes B. Liver C. Spleen D. Thymus E. Tonsils