Of the following substance uses, which one would most likely increase kcaloric intake?
a. tobacco smoking
b. marijuana
c. cocaine
d. ecstasy
b
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The _______________ role in controlling both H+and HCO3-is a critical component for the maintenance of pH homeostasis.
Fill in the blank(s) with the appropriate word(s).
Dorothy is an 85-year-old woman who is having difficulty swallowing. Food seems to enter her stomach too slowly. Based on this information, Dorothy probably has a (an) ________.
A. condition characterized by loss of peristaltic functioning B. blockage caused by undigested fiber deposits in her jejunum C. overgrowth of probiotics in her stomach D. excessive amount of secretory activity within her digestive tract
Which of the following is a simple carbohydrate?
a. Galactose b. Amylose c. Raffinose d. Glycogen
Which factor explains why B vitamin deficiencies lead to lack of energy?
A) ?B vitamins are a source of kilocalories. B) ?Absorption of carbohydrates and fats is decreased. C) ?Oxygen for energy metabolism cannot be transported to the cells. D) ?Coenzymes needed for energy metabolism are produced in insufficient amounts.