Which statement is NOT true about fats:
a) they are concentrated sources of calories
(b) the body can survive without them (c) they are an important part of all cells (d) they provide satiety as food
ANSWER: B
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Once cells have been fixed in paraformaldehyde for flow cytometry analysis, they must be
analyzed immediately or the cell surface markers will deteriorate. Indicate whether the statement is true or false
The LPN is called by a neighbor who reports her husband seems to be acting, "a little odd" and says he feels really tired and weak
The LPN discovers the client recently stopped taking his benazepril (Lotensin) due to the fear of side effects mentioned in a television commercial. Which of the following actions by the LPN is best? A. Instruct the woman to have her husband take an aspirin and lie down for one hour to rest. B. Ask the woman if she has a blood pressure cuff and instruct her to take the man's blood pressure. C. Tell the woman to call an ambulance or get her husband to an emergency department right away. D. Inform the woman these are withdrawal symptoms of stopping the drug and suggest he call his doctor in the morning.
In general, when working problems that involve percents, write the percent as a ____.
A. whole number B. mixed number C. decimal D. fraction
Which of the following statements about oral contraceptives is TRUE?
A. Full protection is provided by oral contraceptives if a woman takes several pills prior to having sexual intercourse. B. A significant risk of pregnancy exists even if oral contraceptives are taken as directed. C. The most common type of oral contraceptive contains both estrogen and progesterone. D. They are effective only because they prevent ovulation.