The olfactory mucosa contains enzymes that remove odoriferous molecules so that the sensation of smell doesn't linger after the source of the odor is removed
Indicate whether the statement is true or false
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The "lub" sounds of the heart are valuable in diagnosis because they provide information about the function of the heart's pulmonary and aortic semilunar valves
Indicate whether the statement is true or false
Consider the following list of commonly found items and their pH values:
Which of the following choices includes all acids? A) Beer, butter, and baking soda B) Tomatoes, egg whites, and baking soda C) Vinegar, grapes, tomatoes, and coffee D) Egg whites, baking soda, milk of magnesia, and bleach
What is the stoppage of bleeding called?
A) hemostasis B) erythrostasis C) vasculostasis D) homeostasis E) fibrinostasis
In clinical trials, scientists discover that use of drug X results in a decrease in norepinephrine signaling. In the process of making a list of possible mechanisms of this drug to test, which of the following is NOT a plausible explanation for the effects of drug X?
A. X inhibits synthesis of norepinephrine at the axon terminal. B. X blocks reuptake of norepinephrine by the terminal. C. X inhibits norepinephrine release from the terminal. D. X is an adrenergic receptor antagonist. E. X stimulates the catabolism of norepinephrine.