During the rising phase of the action potential,
a. PK+ is much greater than PNa+
b. PNa+ is much greater than PK+
c. PK+ is the same as P Na+
d. Na+ efflux occurs
e. b and d are true
B
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Once the action potential reaches the axon terminal, what happens next?
A) release of a neurohormone into the blood B) exocytosis of a neurocrine C) release of the neurotransmitter into the synaptic cleft D) Any of the above could happen next.
Complete the missing structures to complete the pathway of hearing:
Sound waves > ____________________, or outer ear> auditory canal > ______________________________ > ear ossicles > cochlea > cochlear nerve > temporal lobe. ? Fill in the blank(s) with correct word
A human male is hemizygous for genes on the X chromosome because he has two copies of that chromosome.
Answer the following statement true (T) or false (F)
An infectious disorder that causes alveoli to fill with fluid is ________.
Fill in the blank(s) with the appropriate word(s).