Which of the following is not a function of astrocytes?
a. Hold neurons together in proper spatial relationship.
b. Line internal cavities of the brain and spinal cord.
c. Induce the formation of the blood-brain barrier.
d. Take up excess K+ to help maintain proper brain ECF ion concentration.
e. Form neural scar tissue.
B
You might also like to view...
Define peritonitis
What will be an ideal response?
Which of the following events would cause a decrease in mean arterial blood pressure?
A. Constriction of blood vessels in the skin B. An increase in ADH production C. Release of atrial natriuretic factor D. An increase in aldosterone production E. Activation of the renin-angiotensin mechanism
Positive nitrogen balance is a condition where
A. an individual's nitrogen intake is greater than phosphate intake. B. a food has a positive effect on blood nitrogen levels. C. an individual's nitrogen input is equal to its loss in urine and feces. D. an individual absorbs more nitrogen than is excreted. E. too many proteins are being ingested in the diet.
Identify the muscle or muscles that facilitate the action described in the following situation: During a trip to New York City, you whistle loudly to hail a taxicab
A) buccinator, mentalis B) buccinator, orbicularis oris C) buccinator, depressor anguli oris D) buccinator