The neurotransmitter most likely produced when a person uses a drug that creates a sense of well-being is
A. glutamic acid.
B. enkephalin.
C. dopamine.
D. substance Q.
Answer: C
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Reflexes important in regulating the forced ventilations that accompany strenuous exercise are known as the:
protective reflexes chemoreceptor reflexes Hering-Breuer reflexes pulmonary reflexes all of the choices are correct
Which vessels have the highest blood pressure?
A) capillaries B) veins C) arteries D) venules
During tissue repair, the clot is first replaced by _____, a delicate connective tissue that consists of fibroblasts, collagen, and capillaries.
A) granulation tissue B) phagocytic tissue C) dense connective tissue D) fibrin tissue E) pus
Sensory neurons that are part of the chemoreceptor reflexes are found in all of the following except the
A) common carotid artery. B) arch of the aorta. C) medulla oblongata. D) lungs.