Which of the following is a function of astrocytes?

A. They circulate the cerebrospinal fluid.
B. They produce cerebrospinal fluid.
C. They phagocytize tissue debris.
D. They help form the blood-brain barrier.
E. They form myelin in the CNS.


D. They help form the blood-brain barrier.

Anatomy & Physiology

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Which of the following muscle groups contract during forced expiration?

a. external intercostals b. sternocleidomastoid c. rectus abdominus d. diaphragm

Anatomy & Physiology

The activity of the nervous system is dependent upon

A) cellular connections. B) large amounts of energy. C) a proper intracellular environment. D) a proper extracellular environment. E) All of the answers are correct.

Anatomy & Physiology

The two hormones released from the posterior pituitary are

A. oxytocin and antidiuretic hormone. B. prolactin and vasopressin. C. follicle-stimulating hormone and luteinizing hormone. D. thyrotropin-releasing hormone and corticotropin-releasing hormone. E. prolactin and growth hormone.

Anatomy & Physiology

A cartilaginous joint that permits slight movement is (a) ________.

A) symphysis B) synovial joint C) synostosis D) synchondrosis E) gomphosis

Anatomy & Physiology