Which glial cells affect the conduction velocity of CNS neurons?

a. astrocytes.
b. ependymal cells.
c. neurons.
d. microglia.
e. oligodendrocytes.


E

Anatomy & Physiology

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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

Anatomy & Physiology

Hypernatremia is a plasma ________ concentration above normal.

A. K+ B. Cl- C. Ca2+ D. Na+ E. Pi

Anatomy & Physiology

Which of the following bones are located in the hand?

A. Metatarsals B. Metacarpals C. Calcaneus D. Tarsals

Anatomy & Physiology

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

Anatomy & Physiology