Which glial cells affect the conduction velocity of CNS neurons?
a. astrocytes.
b. ependymal cells.
c. neurons.
d. microglia.
e. oligodendrocytes.
E
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Capillaries in organs such as the kidneys, small intestine, and endocrine glands have "holes" or "pores" that make the capillaries relatively leaky and allow for passage of medium-sized molecules in and out of the blood. These capillaries are:
A) continuous capillaries B) sinusoids C) fenestrated capillaries D) metaarterioles
An abnormal plantar reflex in an adult produces Babinski's sign, which indicates ________
A) damage to the dorsal columns B) damage to the corticospinal tract C) nerve damage to the leg D) damage to the muscles that move the ankle
Hypernatremia is a plasma ________ concentration above normal.
A. K+ B. Cl- C. Ca2+ D. Na+ E. Pi
Which of the following bones are located in the hand?
A. Metatarsals B. Metacarpals C. Calcaneus D. Tarsals