Which ascending tract carries the sensations for fine touch and vibration?
A) corticobulbar
B) corticospinal
C) posterior (dorsal) column
D) spinothalamic
E) spinocerebellar
C
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The condition of yellow jaundice occurs when the body builds up excess ________
A) Bilirubin B) Freckles C) Carotene D) Melanin
The hormone hCG (human chorionic gonadotropin) is produced by the
A. syncytiotrophoblast. B. corpus luteum. C. cytotrophoblast. D. endometrium. E. chorion.
Which of the following is NOT true of catalysts?
A. They lower the activation energy of the reaction. B. They allow endergonic reactions to become exergonic reactions. C. They are unchanged by the reaction catalyzed. D. They increase the amount of energy released by a chemical reaction.
During moderate exercise, arterial PCO2 and H+ concentration increase and arterial PO2 decreases, and these are the main stimuli causing increased ventilation
Indicate whether the statement is true or false.