A person with blood type AB possesses ________ on the plasma membrane of his/her erythrocytes.
A. no blood typing antigens or antibodies
B. antigens A and B
C. antibodies a and b
D. None of the choices are correct.
Answer: B
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Identify structure "A" on the top diagram
A. autonomic ganglion B. somatic motor neuron C. effector organ (smooth muscle of GI tract) D. postganglionic neuron E. preganglionic neuron
Hyperventilation causes generalized ________, which ________ blood flow to the brain and can result in feeling dizzy or faint.
A. vasodilation; decreases B. vasoconstriction; increases C. vasoconstriction; decreases D. vasodilation; increases
Whose law explains that an increase in volume causes a decrease in pressure?
A. Henry's Law B. Dalton's Law C. Charles Law D. Boyles Law
Nerve impulses involving pain stimuli travel along
A. myelinated axons. B. unmyelinated axons.