At the height of the action potential,
a. the interstitial fluid is more negatively
charged than the cytoplasmic fluid.
b. the interstitial fluid is less negatively
charged than the cytoplasmic fluid.
c. the interstitial fluid and the cytoplasmic
fluid have the same charge.
d. all sodium and potassium ions rush out of
the neuron.
e. both a and d occur
A
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Which of the following statements about Pneumocystis jiroveci is true?
A. The organism and the disease remains localized in the lungs even in fatal cases. B. The disease it causes occurs almost exclusively in immunocompromised hosts. C. It causes the alveoli to fill with a frothy exudate. D. All of the choices are correct.
Mutations that result in the death of the individual are known as ____
a. beneficial b. lethal c. random d. spontaneous e. neutral
When considering receptors for hormone molecules, we can say that, in general, ________.
Fill in the blank(s) with the appropriate word(s).
Turner syndrome is an example of a __________ condition
a. monosomic b. disomic c. trisomic d. polyploid
e. fragile site