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HS 2212: Infectious Diseases Exam
Latest Update

Infections-transmitted-from-animals-to-humans-are-termed:-

Select-one:-

a. waterborne-

b. endemic-

c. zoonotic-

d. latent-

e. resistant---ANSWER-*c.-zoonotic*-

1.3-

Infections-transmitted-from-animals-to-humans-are-called-zoonoses,-or-zoonotic-
diseases.-

During-the-incubation-period-of-a-typical-foodborne-pathogen,-microbes:-

Select-one:-

a. pass-through-the-mucosal-surfaces-of-the-mouth-and-into-the-sinuses-

b. travel-from-the-stomach-to-the-intestine-and-attach-to-the-intestinal-lining-

c. multiply-in-the-bloodstream-before-infecting-the-intestinal-lining-

d. must-mutate-before-they-can-effectively-cause-disease-symptoms-

e. are-killed-by-digestive-fluids-in-the-stomach-and-small-intestine---ANSWER-*b.-travel-
from-the-stomach-to-the-intestine-and-attach-to-the-intestinal-lining*-1.3-

During-the-incubation-period,-the-microbes-pass-through-the-stomach-into-the-intestine,-
attach-to-the-cells-lining-the-intestinal-walls,-and-begin-to-multiply-there.-

The-main-vector-for-malaria-is:-

Select-one:-

a. bad-air-

b. a-parasite-

,c. mosquitoes-

d. rats-or-mice-

e. contaminated-water---ANSWER-*c.-mosquitoes*-

In-order-to-sterilize-instruments-in-an-autoclave,-the-following-time-and-temperature-
are-required:-Select-one:-

a. 60-degrees-Fahrenheit-(16-degrees-Celsius)-for-15-minutes-

b. 120-degrees-Fahrenheit-(49-degrees-Celsius)-for-3-minutes-

c. 160-degrees-Fahrenheit-(71-degrees-Celsius)-for-15-minutes-

d. 250-degrees-Fahrenheit-(121-degrees-Celsius)-for-15-minutes-

e. 280-degrees-Fahrenheit-(138-degrees-Celsius)-for-1-minute---ANSWER-*d.-250-
degrees-Fahrenheit-(121-degrees-Celsius)-for-15-minutes*-

1.4-

Time/temperature-combinations-are:-121°-C-for-15-minutes-and-138°-C-for-3-minutes-at-
101-kPa-(kiloPascals).-

This-WHO-phase-of-pandemic-is-marked-by-community-level-outbreaks:-

Select-one:-

a. Phase-1-

b. Phase-2-

c. Phase-3-

d. Phase-4-

e. Phase-5---ANSWER-*d.-Phase-4*-

The-following-microorganism-can-be-transmitted-via-unpasteurized-juice:-

Select-one:-

a. Hepatitis-B-virus-

b. Escherichia-coli-

c. H1N1-influenza-virus-

d. Mycobacterium-tuberculosis-

e. Human-immunodeficiency-virus---ANSWER-b.-Escherichia-coli-

,1.2-

Escherichia-coli-(E.-coli)-bacteria-sometimes-persist-in-food-products-such-as-
undercooked-hamburger-meat-and-unpasteurized-fruit-juice.-

In-1953,-Dr.-Jonas-Salk:-

Select-one:-

a. first-described-the-placebo-effect-

b. was-the-first-person-to-be-vaccinated-against-tetanus-

c. created-the-polio-vaccine-

d. proved-the-theory-of-spontaneous-generation-to-be-false-

e. discovered-that-viruses-reproduce-with-the-help-of-living-cells---ANSWER-*c.-created-
the-polio-vaccine*-1.1-

One-of-the-most-successful-modern-vaccines-was-the-one-for-poliomyelitis-(or-polio).-
This-vaccine-was-invented-by-Dr.-Jonas-Salk-in-1953.-It-used-an-inactivated-form-of-the-
polio-virus-that-couldn't-make-you-sick.-

Measures-taken-to-protect-staff-and-patients-against-potentially-infected-blood-and-
body-fluids-is-termed:-

Select-one:-

a. decontamination-

b. isolation-precautions-

c. standard-precautions-

d. transmission-based-precautions-

e. pasteurization---ANSWER-*c.-standard-precautions*-

1.4-

In-Cholera-infection,-loss-of-fluid-and-electrolytes-is-a-result-of:-

Select-one:-

a. tubular-necrosis-

b. loss-of-potassium-

c. white-blood-cells-fighting-off-bacteria-

d. chronic-acidosis-

, e. the-cholera-toxin---ANSWER-*e.-the-cholera-toxin*-

Diseases-humans-can-acquire-directly-or-indirectly-from-animals-include-all-EXCEPT:-

Select-one:-

a. Giardiasis-

b. Hepatitis-C-

c. Brucellosis-

d. Tularemia-

e. Toxoplasmosis---ANSWER-*b.-Hepatitis-C*-An-example-of-a-latent-infection-may-be:-

Select-one:-

a. Chickenpox-

b. Rhinovirus-

c. Plague-

d. Giardia-

e. Influenza---ANSWER-*a.-Chickenpox*-Aerobic-bacteria:-

Select-one:-

a. can-only-live-in-cold-temperatures-

b. can-only-live-in-extremely-hot-temperatures-

c. need-oxygen-to-survive-

d. are-weakened-or-killed-in-the-presence-of-oxygen-

e. cannot-live-outside-of-a-human-host---ANSWER-*c.-need-oxygen-to-survive*-1.2-

The-following-regarding-the-"Black-Death"-is-true-EXCEPT:-

Select-one:-

a. it-is-also-known-as-the-Great-Pestilence-or-the-Great-Plague-

b. it-was-the-first-known-pandemic-plague-in-history-

c. it-involved-using-plague-as-biological-warfare-

d. at-least-one-quarter-of-Europe's-population-died-as-a-result-