Set 2 Questions And Correct Answers
\Q\.How do antiviral drugs act?
a. They interfere with cell wall development.
b. They decrease cell membrane permeability.
c. They destroy new, immature viral particles.
d. They reduce the rate of viral replication. - ANSWERS✔-ANS: D
\Q\.Which statement applies to yeasts?
a. They are usually considered to be pathogenic.
b. They seldom contain a distinct nucleus.
c. They may cause opportunistic infection in the body.
d. They are normally not found in large numbers in resident flora. - ANSWERS✔-ANS: C
\Q\.Fungi reproduce by:
1. budding.
2. extension of hyphae.
3. binary fission.
4. production of spores.
a. 1, 2
b. 2, 4
c. 1, 2, 4
,d. 2, 3, 4 - ANSWERS✔-ANS: C
\Q\.Which of the following is NOT classified as a protozoan agent of disease?
a. Plasmodium vivax
b. Trichomonas vaginalis
c. Tinea pedis
d. Entamoeba histolytica - ANSWERS✔-ANS: C
\Q\.Which of the following is a characteristic of rickettsia?
a. It is a very small gram-negative intracellular microbe.
b. It exists in three forms.
c. It causes sexually transmitted disease.
d. It reproduces by budding. - ANSWERS✔-ANS: A
\Q\.Entamoeba histolytica is transmitted by which of the following?
a. Mosquitoes (bites)
b. Inhaling contaminated particles
c. Sexual intercourse
d. Cysts in feces - ANSWERS✔-ANS: D
\Q\.Which of the following is a characteristic of resident or normal flora (microflora)?
a. It exists in all areas of the body.
b. Different species inhabit various areas of the body.
c. It is of no benefit to the human host.
d. It consists only of bacteria. - ANSWERS✔-ANS: B
, \Q\.Which of the following is normally considered sterile?
a. Urine
b. Pharynx
c. Distal urethra
d. Vagina - ANSWERS✔-ANS: A
\Q\.The term nosocomial infection means:
a. transmission involves an insect or animal host.
b. acquired in a hospital or medical facility.
c. transmitted by a fomite.
d. spread by direct contact with secretions from an open lesion. - ANSWERS✔-ANS: B
\Q\.Transmission of microbes by direct contact includes:
a. touching a contaminated countertop.
b. sexual intercourse.
c. drinking contaminated water.
d. inhaling dust-borne microbes. - ANSWERS✔-ANS: B
\Q\.What does the term carrier mean?
a. A person with active infection who acts as a reservoir for microbes
b. Animals, insects, objects, or surfaces contaminated by pathogens
c. An individual who is contagious through infected secretions on the hands
d. An asymptomatic person whose body harbors pathogens and can transmit them to others -
ANSWERS✔-ANS: D
\Q\.Opportunistic infection may develop when: