All of the following points about E. coli 0157:H7 are true EXCEPT that
A) it is a bacterial disease.
B) infection can be serious but is not known to cause deaths.
C) it can be contracted from various foods.
D) a typical symptom of infection is diarrhea.
Answer: B
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What was the approximate life expectancy in 1850?
A) 70 years B) 50 years C) 40 years D) 60 years
What is the clinical significance of a superficial ulnar artery?
A) It often compresses the median nerve in the arm, producing paresthesia and muscle weakness. B) It is often pinched during elbow flexion, producing mild ischemia in the forearm muscles. C) Its superficial course in the cubital fossa results in it being mistakenly used for venipuncture. D) Its caliber is typically smaller than the normal ulnar artery and, under compromising situations, may be unable to provide sufficient blood to the hand. E) It accompanies the median nerve in the forearm and passes deep to the flexor retinaculum, resulting in hand ischemia in any patient suffering from carpal tunnel syndrome.
Which of the following symptoms is most commonly associated with a vitamin A deficiency?
a. Fatigue b. Insomnia c. Night blindness d. Anorexia
The skin is the body's largest organ. The layer that contains the sensory nerves is the:
A) epidermis. B) dermis. C) hypodermis. D) adipose.