When chemically-gated Na+ channels open, the membrane
a. hyperpolarizes
b. repolarizes
c. depolarizes
d. becomes more negative
e. is inhibited
C
Anatomy & Physiology
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What is the name for the portion of the dura mater that separates the cerebellum from the cortex?
A) falx cerebri B) falx cerebelli C) tectoral membrane D) tentorium cerebelli
Anatomy & Physiology
The ion(s) or molecule(s) labeled D is (are)
A) CO2.
B) H2O.
C) O2.
D) H+.
E) 2H.
Anatomy & Physiology
Which are the least numerous of the leukocytes?
a. neutrophils b. basophils c. monocytes d. eosinophils e. lymphocytes
Anatomy & Physiology
Which of the following substances found in sustentacular cells may be the active hormones that promote sperm cell formation?
A. Dihydrotestosterone and estrogen B. Androgen-binding protein and testosterone C. IgA and IgG D. Estrogen and progesterone E. Sustentaculum and gubernaculum
Anatomy & Physiology