Resistance to blood flow is greatest in ________.
A. capillaries
B. arteries
C. arterioles
D. veins
E. venules
Answer: C
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Which statement is true regarding secondary bronchi?
A. Each lung has two secondary bronchi. B. Each lung has four secondary bronchi. C. The left lung has two secondary bronchi and the right lung has three secondary bronchi. D. Each lung has three secondary bronchi. E. The right lung has two secondary bronchi and the left lung has three secondary bronchi.
Which nerve innervates most of the flexor muscles of the forearm and the muscles of the thenar area of the hand?
A) axillary nerve B) median nerve C) musculocutaneous nerve D) radial nerve E) ulnar nerve
What is the major risk factor for developing COPD in old age?
A. Lack of exercise B. Alcohol abuse C. Smoking D. Genetic predisposition E. A high fat diet
A tissue that has a fluid matrix is
A. bone. B. blood. C. cartilage. D. adipose tissue. E. areolar tissue.