Which of the following is NOT true of the epidural space?

A. It contains cerebrospinal fluid.
B. It contains connective tissue and blood vessels.
C. It lies between the vertebrae and the dura mater.
D. It is the site for epidural injections of anesthetics.
E. All of these are true of the epidural space.


Answer: A

Anatomy & Physiology

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In the patellar reflex, how does stimulation of the muscle spindle by gamma motor neurons affect sensitivity and reaction time?

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The location of the palatine tonsil in the oral cavity is

A) under the tongue on both sides. B) inferior to the lingual frenulum. C) posterior to the raphe. D) between the palatoglossal and palatopharyngeal arches. E) superior to the uvula.

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Carbon dioxide is unintentionally increased as a cause of respiratory acidosis but is deliberately increased as a compensation for metabolic alkalosis

Indicate whether the statement is true or false

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Most people retain adequate kidney function in old age. Why?

A. Decreased activity in old age leads to a decrease in production of toxins. B. Glomeruli grow new blood vessels through life. C. Nephrons use blood more efficiently. D. Older people drink less fluid and therefore have less need to produce urine. E. A loss of nephrons does not radically impair function because there are so many to begin with.

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