Stomach acid
a. is neutralized in the duodenum.
b. is neutralized with bicarbonate.
c. is neutralized by solutions secreted by the pancreas.
d. both (a) and (b) above.
e. all of these answers.
E
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Which of the following best explains how platelets enter the blood?
a. They are formed in the spleen and are released directly into the blood. b. They form in the blood itself as it passes through the lungs. c. They are formed in and released by the thymus. d. They are passed through the wall of a bone marrow capillary.
The blood vessel which is a part of corpus malpighii is called:
(a) a. trabecularis (b) aa. pulpae albae (c) aa. lymphnoduli (centrales) (d) aa. penicillares
Muscarinic receptors bind ________.
A. acetylcholinesterase B. epinephrine C. monoamine oxidase (MAO) D. norepinephrine E. acetylcholine
When the Achilles tendon is tapped or the bottom of the foot is stroked, the reflexive response is that the foot
A. plantar flexes. B. dorsiflexes. C. inverts. D. everts.