Defiency of which of the following results in the condition pernicious anemia?
A. iron
B. vitamin B12
C. erythropoietin
D. vitamin D
E. bilirubin
B
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Which of the following would cause stroke volume to increase?
A) when venous return is decreased B) when ventricular contraction is reduced C) drugs that stimulate beta-1 receptors D) decrease in heart rate E) decreased sympathetic stimulation
The ABO blood type is an example of which type of inheritance?
A) polygenic inheritance B) incomplete dominance C) codominance D) strict dominance E) sex-linked
Subclavian trunks drain lymph from the
A. deep thoracic structures. B. head and neck. C. upper limbs, breasts, and superficial thorax. D. abdominopelvic wall.
Which does not enter the duodenal lumen?
a. trypsinogen. b. bile salts. c. disaccharidases. d. gastric contents. e. amylase.