Acetylcholine (ACh) always has an excitatory effect.
Answer the following statement true (T) or false (F)
False
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The pain of angina pectoris comes from a blockage in an artery that supplies the
A) neck and jaw. B) heart. C) sternum. D) left arm and shoulder.
Which of the following break(s) the rule that arteries carry oxygenated blood away from the heart?
A) pulmonary arteries B) pulmonary veins C) common carotid artery D) aorta E) superior vena cava
What is found in an intestinal villus?
A. brush border B. digestive enzymes C. blood capillaries and a lacteal D. Peyer patches and a lacteal
The binding of ________ to a nicotinic receptor of a muscle fiber will ________ it
A) monoamine oxidase; inhibit B) norepinephrine; excite C) acetylcholine; inhibit D) acetylcholine; excite E) acetylcholinesterase; excite