Which enzyme breaks down starch in the mouth?
a. lingual protease
b. lipase
c. salivary amylase
d. gastric protease
e. secretin
c
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A hypothesis is
A. a complicated equation dividing two variables. B. a prediction about the relationship between variables. C. a list of variables to be studied. D. a series of steps used by scientists to explain observations.
Which of the following B-vitamins is found in the widest variety of foods (i.e., different food groups such as vegetables, grains, meat)?
A. pantothenic acid B. vitamin B-12 C. vitamin C D. All of these choices are accurate.
It is important that energy needs in pregnancy are met so that:
a. maternal vitamin stores are spared. b. optimal fetal growth is ensured. c. adipose tissue stores are spared. d. adequate blood volume is provided.
Lois is a 65-year-old female who participates in an exercise class at least three times a week. In addition, she drinks six glasses of water each day and consumes a lot of fresh fruits and vegetables and whole-grain breads and cereals. Lois has high blood pressure, takes medication for her hypertension, and experiences constipation frequently. What is the most likely cause of her constipation?
a. low fiber intake b. inadequate exercise c. medications d. low fluid intake e. high-fat diet