Muscarinic receptors
a. are found mostly in autonomic ganglia.
b. always produce an excitatory response.
c. control sodium channels in the affected membrane.
d. are normally activated by acetylcholine.
e. are blocked by norepinephrine.
Ans: d. are normally activated by acetylcholine.
You might also like to view...
Distinguish among efferent vessels, afferent vessels, and exchange vessels
A) Efferent vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid, afferent vessels carry blood away from the heart, and exchange vessels carry blood to the heart. B) Efferent vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid, afferent vessels carry blood to the heart, and exchange vessels carry blood away from the heart. C) Efferent vessels carry blood to the heart, afferent vessels carry blood away from the heart, and exchange vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid. D) Efferent vessels carry blood away from the heart, afferent vessels carry blood to the heart, and exchange vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid. E) Efferent vessels carry blood to the heart, afferent vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid, and exchange vessels carry blood away from the heart.
The space between the arachnoid layer and the underlying pia mater, the ____________________ space, is filled with CSF
Fill in the blank(s) with correct word
Damage to the liver would hamper digestion of ________.
A. proteins B. disaccharides C. carbohydrates D. lipids E. All of the choices are correct.
What plasma protein is most important for the blood's colloid osmotic pressure?
A) transport proteins B) collagen C) albumin D) antibodies