What is the meaning of antibiotic resistance?
a. The increasing cost of antibiotics
b. Their ineffectiveness against an increasing number of bacteria
c. Growing numbers of patients who refuse to take them
d. The high cost of producing them
b
FEEDBACK: a. Their ineffectiveness against an increasing number of bacteria.
b. Correct.
c. Their ineffectiveness against an increasing number of bacteria.
d. Their ineffectiveness against an increasing number of bacteria.
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What effect does the sympathetic nervous system have on the heart?
A) It increases the speed and strength of contractions. B) It makes the heart more likely to fail. C) It makes the heart less responsive to medication. D) It slows the speed and decreases the strength of contractions.
The potential chemical energy of fuel in fire behavior is converted to:
A. sound energy. B. thermal energy. C. electrical energy. D. mechanical energy.