Digestion begins in the ____
A) stomach
B) mouth
C) small intestine
D) large intestine
B
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Which of the following is a feature of heavy metal intake and pregnancy?
a. Mercury, but not lead, can easily cross the placenta. b. Lead and mercury both damage the fetal nervous system. c. Pregnant women are advised to limit consumption of shark and swordfish to no more than once per week. d. Pregnant women are advised to avoid shellfish around the critical period of brain development but may resume normal intake thereafter. e. King mackerel and tilefish are both safe to consume as much as desired.
Brian Schmidt is a 58-year-old lawyer with a history of hypertension. His blood pressure has been under fairly good control with prescription medication. His secretary notices that he had a period of confusion and difficulty speaking at a meeting. She advises him to see his doctor. What best explains Brian's symptoms?
A) transient ischemic attack B) myocardial infarction C) hypoglycemia D) thrombosis
The family of compounds known as vitamin K includes
A. phylloquinones and menaquinones. B. cholecalciferol and calcitriol. C. tocopherols and tocotrienols. D. retinol, retinal, and retinoic acid.
Sports drinks begin to provide an advantage over plain water for athletes when their exercise periods first exceed
a. 15 minutes. b. 60 minutes. c. 1 hours. d. 3 hours.