Which of the following statements indicates that the speaker understands hemorrhagic strokes?

a. "They occur when clots form in blood vessels in the brain."
b. "They occur when a blood vessel in the brain ruptures."
c. "Their signs and symptoms generally resolve within 24 hours."
d. "They can sometimes be treated by clot-destroying medications."

Answer: b

Health Professions

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What are the operative mortality rates of patients with unruptured AAA scheduled for elective repair?

a. 1% to 2% b. 2% to 3% c. 3% to 5% d. 5% to 10%

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The simplest units of all matter are ________, and many of these are essential to life. 

Fill in the blank(s) with the appropriate word(s).

Health Professions