Which of the following is a characteristic by which viruses are classified?
A) type of nucleic acid
B) type of life cycle
C) number of chromosomes
D) type of host
E) size
A
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Respiratory surfaces in all vertebrates have
A. moist epithelia. B. large surface areas. C. thin epithelia. D. a very high degree of vascularization. E. All of the answers for this question are correct.
Transmission-Based Precautions
A. is a course health workers must take. B. are guidelines from WHO for dealing with emerging diseases. C. are instructions on the care of all patients. D. are guidelines to use with patients infected with a highly transmissible or epidemiologically important pathogen.
Which organ produces bile?
a. stomach b. liver c. gall bladder d. colon
Implantation occurs in the:
A) vagina. B) ovary. C) uterus. D) uterine tube.