It is inappropriate to prescribe antibacterial agents to treat colds or flu because
A) the microbes involved can develop resistance rapidly.
B) these diseases are transmitted by endospores, which are difficult to kill.
C) these diseases exhibit cross resistance.
D) these diseases are caused by viruses.
E) these diseases can act synergistically with each other.
D
Bloom's Taxonomy: Knowledge
Section: Resistance to Antimicrobial Drugs
Learning Outcome: 10.24
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If you were unable to produce tears:a
you would be more vulnerable to infections by gram negative bacteria. b. you would not produce lysozyme. c. your level of defensins would be decreased. d. you would lose a first line of defense against bacteria. e. you would not produce lysozyme, and you would be more vulnerable to infections by gram-positive bacteria
About a day after fertilization, the zygote undergoes ________, which is a rapid series of cell divisions
Fill in the blank(s) with correct word
During an acrosome reaction, the acrosome:a
detaches, allowing the sperm to penetrate the egg. b. releases enzymes that digest the outer layer of the egg. c. secretes calcium ions, which cause the sperm to fuse with the egg. d. releases bindin, which causes the sperm to bind to the egg. e. secretes a chemical that attracts the egg to the sperm.
Phage typing is based on the fact that
A) bacteria are destroyed by viruses. B) viruses cause disease. C) bacterial viruses attack only members of a specific species. D) Staphylococcus causes infections. E) phages and bacteria are related.