You notice that a patient's skin color is ashen. This is due to which of the following?
A). The heart beating too rapidly
B). Decreased blood flow to the vital organs
C). Abnormal dilation of the blood vessels
D). Reduced blood flow to the skin
Answer: D). Reduced blood flow to the skin
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Which patient has the best chance for an optimal outcome after drowning?
A) 34-year-old female submerged for 9 minutes in 39°F water B) 47-year-old male submerged for 8 minutes in a heated swimming pool C) 22-year-old female submerged for 10 minutes in a whirlpool with 90°F water D) 17-year-old female submerged for 10 to 12 minutes in warm salt water
A spider bite that can resemble a "bull's-eye target" is most often caused by a:
a. black widow spider. b. brown recluse spider. c. hobo spider. d. funnel web spider.
Special proteins that are made by lymphocytes that fight invaders are known as:
A) glycoproteins B) amino acids C) antigens D) antibodies
Which of the following tests screens for adequate levels to maintain calcium in the bones?
A. Vitamin D B. Alkaline phosphatase C. Bone marrow D. Amylase