The brachial plexus is derived from what spinal nerve segments?
A. C6-T2
B. C5-T1
C. C4-T1
D. C6-T1
Answer: B
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When premature babies are given a high level of oxygen, they can develop a problem in the ________
A) retina B) lens C) cornea D) eyeball
Which macronutrient is 4 calories per gram and can be found in meat, poultry, fish, milk, eggs, and legumes?
A. carbohydrates B. fat C. alcohol D. protein
Adjustment of the lens of the eye to read a newspaper, or follow an object from arm's length to the patient's nose is known as
A. refraction. B. accommodation. C. photosensitivity. D. presbyopia. E. visual acuity.
There is a higher incidence of abdominal injuries in association with chest trauma in pregnant women because:
A) seat belts are usually not worn. B) the peritoneum is maximally stretched. C) the diaphragm is elevated nearly 2 inches. D) the abdomen is large and protuberant.