The embryo is most vulnerable to teratogens during which stage of pregnancy?
A. first trimester
B. second trimester
C. third trimester
D. Teratogens do not affect the embryo.
Answer: A
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A scientist wants to develop a medication that safely reduces hunger to help obese people lose weight. Based on this information, this researcher will explore ways to block the production, release, or action of ________.
A. melatonin B. leptin C. ghrelin D. insulin
Genetic traits exert a stronger influence on overall health and longevity than lifestyle behaviors
Indicate whether the statement is true or false
Fat functions in the body to:
a. provide energy. b. regulate body processes. c. build muscle tissue. d. synthesize enzymes.
An infant who is unable to swallow and is having gastrointestinal problems should not be given enteral feedings
a. True b. False Indicate whether the statement is true or false