These glial cells play a role in capillary-neuron exchanges and control the chemical environment around neurons

A) astrocytes B) Schwann cells C) ependymal cells D) microglia


Answer: A

Anatomy & Physiology

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The intrapulmonary pressure

a. is the pressure within the air sacs of the lung b. always equilibrates with atmospheric pressure c. is always less than intrapleural pressure d. is both a and b e. is both a and c

Anatomy & Physiology

Which one of the following requires assisted membrane transport?

a. Glucose moving into a cell b. K+ ions moving out of a cell c. Water moving toward a hypertonic solution d. Movement of ECF into a cell via pinocytosis e. Movement of Na+ through a symporter

Anatomy & Physiology

Which part of the brain works with the medulla oblongata to regulate respiration?

A. Reticular formation B. Pons C. Hippocampus D. Midbrain

Anatomy & Physiology

Which of the following statements about the action potential is false?

A) The rapid depolarization phase is caused by the entry of potassium ions. B) During the repolarization phase, sodium channels close and potassium channels open. C) During the depolarization phase, membrane potential becomes positive. D) In the hyperpolarization phase, membrane potential approaches the potassium equilibrium potential. E) The rapid depolarization phase is caused by the entry of sodium ions.

Anatomy & Physiology