Which of the following statements about norepinephrine is FALSE?
A. Dopamine is a precursor to norepinephrine.
B. Epinephrine is a precursor to norepinephrine.
C. Norepinephrine is a catecholamine.
D. Norepinephrine binds to adrenergic receptors.
E. Norepinephrine is a neurotransmitter.
Answer: B
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Transcytosis combines diffusion and active transport.
Answer the following statement true (T) or false (F)
Blood moves forward through veins because of all of the following except
A) the pressure in the veins is lower than in the arteries. B) pumping by the smooth muscle in the wall of the vein. C) the respiratory pump. D) valves in the veins preventing the backward flow of blood. E) muscular compression.
What is pulmonary edema and diffuse interstitial fibrosis? If these cause ventilation-perfusion inequality, how will the lungs deal with this in terms of local homeostatic response?
What will be an ideal response?
The longest and largest nerve in the body belongs to the sacral plexus and is known as the:
A) femoral nerve. B) sciatic nerve. C) common fibular nerve. D) axillary nerve.