Why do premenopausal women have a lower incidence of heart disease?
A. HDL cholesterol increases with age.
B. The female sex hormone estrogen tends to raise HDL cholesterol.
C. Premenopausal women have less niacin in their bloodstream.
D. The female sex hormone estrogen tends to lower HDL cholesterol.
E. The female sex hormone estrogen tends to raise LDL cholesterol.
Answer: B
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What kind of red blood cells are used in infectious mononucleosis absorption?
a. guinea pig red blood cells b. human red blood cells and bovine red blood cells c. horse red blood cells and sheep red blood cells d. bovine red blood cells
What is the route of administration that is most likely to have systemic effects?
A) eye B) topical skin C) mucous membrane D) transcutaneous
During which trimester is the fetus most susceptible to the detrimental effects of alcohol on its development?
a. First c. Third b. Second d. Risk is equal during all stages of development
The windpipe is called the:
a. larynx b. pharynx c. esophagus d. trachea e. colon