The Institute of Medicine of the National Academy of Sciences recommends that people trying to manage their weight accumulate ____ minutes of moderate-intensity physical activity most days of the week.
A. 30
B. 45
C. 60
D. 90
E. 120
Answer: C
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When a tablet is scored across its top surface, that indicates ________
A) that it contains a narcotic drug B) the mark of a particular drug company C) that it contains a double-strength dose D) that it can be broken into two or more doses
Which of the following is consistent with a recently antigen-activated mast cell?
a. high levels of MHC class II molecules on the cell surface b. the absence of prepackaged granules c. the absence of IgE on the cell surface d. high concentrations of C3b on the cell surface e. the induction of antibody-dependent cell-mediated cytotoxicity.
Symptoms of pyloric stenosis include:
A) symptoms beginning 6 to 8 weeks after birth. B) projectile vomiting. C) normal weight gain. D) occasional spitting up with burps.
Which of the following is NOT an indicator that a person's sympathetic nervous system has been activated?
A) increased heart rate
B) increased respiration
C) increased salivation
D) increased blood pressure