★ The Cardiovascular System: Blood Vessels and Hemodynamics Quiz
If blood pressure drops,a negative feedback mechanism causes.
A. activation of the venous reservoirs.
B. increase capillary blood flow.
C. increase heart rate, stroke volume, and vasoconstriction.
D. vasodilation of systemic arterioles.
Select your answer:
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Organ Senses and Locomotor System › ViewThe disease in which the crystalline lense loses its transparency until it becomes opaque causing progressive loss of vision is called:
A. Conjunctivitis
B. Astigmatism
C. Cataracts
D. Myopia
Microbiology › View
A properly functioning immune system is responsible for
A. surveillance of the body.
B. recognition of foreign material
C. destruction of foreign material.
D. All of the choices are correct.