Micro Chapter 35 Flashcards
1
Q
An organism that lives on or within another organism on which it is metabolically dependent is called a A) Host B) Parasite C) Pathogen D) Commensal
A
B
2
Q
When a parasite is growing and multiplying within or on a host, the host is said to have A) Pathogenicity B) A vector C) An infection D) A symptom
A
C
3
Q
Any organism or agent that produces a disease is known as a A) Pathogen B) Commensal C) Reservoir D) Vector
A
A
4
Q
The outcome of most host-parasite relationships depends on which of the following?
A) The number of microorganisms infecting the host
B) The virulence of the organism
C) The host’s defenses or degree of resistance
D) All of the above
A
D
5
Q
The degree or intensity of pathogenicity is known as A) Latency B) Infective capacity C) Virulence D) Infection
A
C
6
Q
Which of the following is an example of a sign of infection? A) Loss of appetite B) Malaise C) Pain D) Fever
A
D
7
Q
In the pattern of infection, a stage at which the disease is most severe and displays characteristic signs and symptoms is called the A) Incubation period B) Prodromal stage C) Illness period D) Convalescent period
A
C
8
Q
During which of the stages of infection is the host immune response typically triggered? A) Incubation period B) Prodromal stage C) Illness period D) Convalescent period
A
C
9
Q
The site or natural environmental location in which a pathogen normally resides is called a A) Source B) Reservoir C) Vector D) Hot zone
A
B
10
Q
Animate or inanimate first links in the infectious disease cycle are called A) Sources B) Reservoirs C) Vectors D) Pathogens
A
A
11
Q
An infected person who is a potential source of infection for others is called a A) Source B) Reservoir C) Carrier D) Resource
A
C
12
Q
An infectious disease that can be transmitted from animals to humans is called a(n) A) Opportunistic infection B) Zoonosis C) Contamination D) None of the above
A
B
13
Q
The physician that is credited for directly linking hand cleaning with decreasing rates of puerperal fever in newborns was A) Charles White B) Alexander Gordon C) Oliver Wendell Holmes D) Phillip Semmelweis
A
D
14
Q
Bacillus anthracis, the causative agent of anthrax, infects humans via
A) A bite from a mosquito
B) Inhalation, ingestion, or direct contact with spores
C) Food-borne transmission
D) Cat or dog scratch
A
B
15
Q
Borrelia burgdorferi, the causative agent of Lyme disease, infects humans via
A) A bite of an infected tick
B) Food-borne transmission
C) Direct contact with respiratory aerosols
D) Inhalation of contaminated soil and dust
A
A
16
Q
Which of the following diseases is spread via droplet nuclei? A) Tularemia B) Listeriosis C) Chicken pox D) All of the above
A
C
