What is an "energy vampire"?
A) a poorly insulated house that leaks home heat
B) an electric appliance that uses lots of electricity
C) a device that consumes electricity even when not in use
D) a faulty electrical wiring system
Answer: C
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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.
Difficulty swallowing is known as dysphagia
Indicate whether the statement is true or false
The combining form phasi/o means "to ________."
Fill in the blank(s) with correct word
Where are rates of smoking the lowest in the U.S.?
A) West B) Northeast C) South D) Midwest