Nclex-Rn Practice Questions-Microbiology Principles of Disease and Epidemiology

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Start

Congratulations - you have completed Nclex-Rn Practice Questions-Microbiology Principles of Disease and Epidemiology.

You scored %%SCORE%% out of %%TOTAL%%.

Your performance has been rated as %%RATING%%

Your answers are highlighted below.

Question 1

A commensal bacterium

A	does not receive any benefit from its host.
B	is beneficial to its host.
C	may also be an opportunistic pathogen.
D	isn't capable of causing disease in its host.
E	always causes disease in its host.

Question 2

Which of the following is NOT an example of microbial antagonism?

A	acid production by bacteria
B	bacteriocin production
C	bacteria occupying host receptors
D	bacteria causing disease
E	bacteria producing vitamin K

Question 3

The yeast Candida albicans does not normally cause disease because of

A	symbiotic bacteria.
B	antagonistic bacteria.
C	parasitic bacteria.
D	commensal bacteria.
E	other fungi.

Question 4

If a prodromal period exists for a certain disease, it should occur prior to

A	incubation.
B	illness.
C	decline.
D	convalescence.

Question 5

Which one of the following is NOT a zoonosis?

A	cat-scratch disease
B	Hantavirus pulmonary syndrome
C	rabies
D	tapeworm
E	All of these are zoonoses.

Question 6

Pseudomonas bacteria colonized the bile duct of a patient following his liver transplant surgery. This is an example of a

A	communicable disease.
B	latent infection.
C	nosocomial infection.
D	sporadic disease.
E	None of the answers is correct.

Question 7

In which of the following patterns of disease does the patient experience no signs or symptoms?

A	prodromal
B	decline
C	convalescence
D	incubation
E	both incubation and convalescence

Question 8

In which of the following diseases can gender be considered a viable predisposing factor?

A	urinary tract infections
B	pneumonia
C	salmonellosis
D	tetanus
E	anthrax

Question 9

A needlestick is an example of

A	direct contact.
B	droplet transmission.
C	indirect contact transmission by fomite.
D	direct biological transmission by vector.
E	vehicle transmission.

Question 10

Which of the following statements is TRUE?

A	Both members are harmed in a symbiotic relationship.
B	Members of a symbiotic relationship cannot live without each other.
C	A parasite is not in symbiosis with its host.
D	Symbiosis always refers to different organisms living together and benefiting from each other.
E	At least one member must benefit in a symbiotic relationship.

Question 11

A nosocomial infection is

A	always present, but is inapparent at the time of hospitalization.
B	acquired during the course of hospitalization.
C	always caused by medical personnel.
D	only a result of surgery.
E	always caused by pathogenic bacteria.

Question 12

The major significance of Robert Koch's work is that

A	microorganisms are present in a diseased animal.
B	diseases can be transmitted from one animal to another.
C	microorganisms can be cultured.
D	microorganisms cause disease.
E	microorganisms are the result of disease.

Question 13

Which of the following is NOT a verified exception in the use of Koch's postulates?

A	Some diseases have poorly defined etiologies.
B	Some pathogens can cause several disease conditions.
C	Some human diseases have no other known animal host.
D	Some diseases are not caused by microbes.
E	Some diseases are noncommunicable.

Question 14

Which of the following diseases is NOT spread by droplet infection?

A	botulism
B	tuberculosis
C	measles
D	the common cold
E	diphtheria

Question 15

Biological transmission differs from mechanical transmission in that biological transmission

A	occurs when a pathogen is carried on the feet of an insect.
B	involves fomites.
C	involves reproduction of a pathogen in an arthropod vector prior to transmission.
D	requires direct contact.
E	works only with noncommunicable diseases.

Question 16

Which of the following definitions is INCORRECT?

A	endemic: a disease that is constantly present in a population
B	epidemic: a disease that is endemic across the world
C	pandemic: a disease that affects a large number of people in the world in a short time
D	sporadic: a disease that affects a population occasionally
E	incidence: number of new cases of a disease

Question 17

Focal infections initially start out as

A	sepsis.
B	bacteremia.
C	local infections.
D	septicemia.
E	systemic infections.

Question 18

The rise in herd immunity amongst a population can be directly attributed to

A	increased use of antibiotics.
B	improved handwashing.
C	vaccinations.
D	antibiotic-resistant microorganisms.
E	None of the answers is correct.

Question 19

Koch observed Bacillus anthracis multiplying in the blood of cattle. What is this condition called?

A	bacteremia
B	focal infection
C	local infection
D	septicemia
E	systemic infection

Question 20

Which one of the following does NOT contribute to the incidence of nosocomial infections?

A	antibiotic resistance
B	lapse in aseptic techniques
C	gram-negative cell walls
D	lack of handwashing
E	lack of insect control

Question 21

Transient microbiota differ from normal microbiota in that transient microbiota

A	cause diseases.
B	are found in a certain location on the host.
C	are always acquired by direct contact.
D	are present for a relatively short time.
E	never cause disease.

Question 22

Which of the following statements about nosocomial infections is FALSE?

A	They occur in compromised patients.
B	They may be caused by opportunists.
C	They may be caused by drug-resistant bacteria.
D	They may be caused by normal microbiota.
E	The patient was infected before hospitalization.

Question 23

One effect of washing regularly with antibacterial agents is the removal of normal microbiota. This can result in

A	body odor.
B	fewer diseases.
C	increased susceptibility to disease.
D	normal microbiota returning immediately.
E	no bacterial growth because washing removes their food source.

Question 24

Which of the following is NOT a reservoir of infection?

A	a sick person
B	a healthy person
C	a sick animal
D	a hospital
E	None of the answers is correct; all of these can be reservoirs of infection.

Question 25

Which of the following is NOT a communicable disease?

A	malaria
B	AIDS
C	tuberculosis
D	tetanus
E	typhoid fever

Question 26

Which of the following is a fomite?

A	water
B	droplets from a sneeze
C	pus
D	insects
E	a hypodermic needle

Question 27

Which of the following statements about biological transmission is FALSE?

A	The pathogen reproduces in the vector.
B	The pathogen may enter the host in the vector's feces.
C	Houseflies are an important vector.
D	The pathogen may be injected by the bite of the vector.
E	The pathogen may require the vector as a host.

Question 28

Which of the following definitions is INCORRECT?

A	acute: a short-lasting primary infection
B	inapparent: infection characteristic of a carrier state
C	chronic: a disease that develops slowly and lasts for months
D	primary infection: an initial illness
E	secondary infection: a long-lasting illness

Question 29

Symptoms of disease differ from signs of disease in that symptoms

A	are changes felt by the patient.
B	are changes observed by the physician.
C	are specific for a particular disease.
D	always occur as part of a syndrome.
E	None of the answers is correct.

Question 30

The science that deals with when diseases occur and how they are transmitted is called

A	ecology.
B	epidemiology.
C	communicable disease.
D	morbidity and mortality.
E	public health.

Question 31

Emergence of infectious diseases can be attributed to all of the following EXCEPT

A	antibiotic resistance.
B	climatic changes.
C	new strains of previously known agents.
D	ease of travel.
E	The emergence of infectious diseases can be attributed to all of these.

Question 32

Which of the following pairs is mismatched?

A	malaria — vector
B	salmonellosis — vehicle transmission
C	syphilis — direct contact
D	influenza — droplet infection
E	None of the pairs is mismatched.

Question 33

Which of the following can contribute to postoperative infections?

A	using syringes more than once
B	normal microbiota on the operating room staff
C	errors in aseptic technique
D	antibiotic resistance
E	All of the answers are correct.

Question 34

A cold transmitted by a facial tissue is an example of

A	direct contact.
B	droplet transmission.
C	fomite.
D	vector.
E	vehicle transmission.

Question 35

A researcher has performed a prospective study on a disease. To which specific kind of epidemiological study is this referring?

A	analytical
B	case control
C	descriptive
D	experimental
E	prodromal

Question 36

The CDC is located in

A	Atlanta, GA.
B	Washington, DC.
C	New York City, NY.
D	Los Angeles, CA.
E	Chicago, IL.

Question 37

A disease in which the causative agent remains inactive for a time before producing symptoms is referred to as

A	subacute.
B	subclinical.
C	latent.
D	zoonotic.
E	acute.

Question 38

Which of the following is NOT a predisposing factor of disease?

A	lifestyle
B	genetic background
C	climate
D	occupation
E	All of these are predisposing factors of disease.

Question 39

Which of the following statements is FALSE?

A	Antimicrobial therapy for hemodialysis-associated infections increases antibiotic resistance.
B	S. aureus is differentiated from other mannitol+ cocci by the coagulase test.
C	The M in MRSA stands for mannitol.
D	The USA100 strain accounts for most hospital-acquired MRSA.
E	The USA300 strain accounts for most community-acquired MRSA.

Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results

There are 39 questions to complete.

related categories

Nclex Practice Questions Nclex-Nursing Resources

Nclex-Rn Practice Questions-Microbiology Principles of Disease and Epidemiology

Nclex-Rn Practice Questions-Microbiology Principles of Disease and Epidemiology

related categories

Related posts

Leave a Reply Cancel reply