A membrane potential of -50 mV is greater than a membrane potential of -70 mV
Indicate whether the statement is true or false
F
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The inflation (Hering-Breuer) reflex is a potentially dangerous response that may cause overinflation of the lung
Indicate whether the statement is true or false
Drug X interferes with the action of norepinephrine at synapses. Which of the following mechanisms would NOT explain the effects of X?
A. X inhibits synthesis of norepinephrine at the axon terminal. B. X inhibits norepinephrine release from the terminal. C. X blocks reuptake of norepinephrine by the terminal. D. X is an adrenergic receptor antagonist. E. X stimulates the catabolism of norepinephrine.
Bone density usually reaches its greatest peak around age ________.
A. 35 B. 45 C. 55 D. 65
Which of the following is a type of special sensory receptor?
A) photoreceptor B) chemoreceptor C) thermoreceptor D) mechanoreceptor E) nociceptor