Nclex-Rn Practice Questions-Microbiology Microbial Diseases Of The Skin And Eyes

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Question 1

All of the following are normal microbiota of the skin EXCEPT

A	Streptococcus.
B	Micrococcus.
C	Staphylococcus.
D	Propionibacterium.
E	Corynebacterium.

Question 2

Which of the following is used to treat candidiasis of the skin or mucous membranes?

A	penicillin
B	sulfonamide
C	trifluridine
D	miconazole
E	acyclovir

Question 3

Scabies is a skin disease caused by a

A	slow virus.
B	protozoan.
C	mite.
D	bacterium.
E	prion.

Question 4

Scabies is transmitted by

A	fomites.
B	food.
C	water.
D	soil.
E	respiratory secretions.

Question 5

A patient has pus-filled vesicles and scabs on her face, throat, and lower back. She most likely has

A	measles.
B	mumps.
C	chickenpox.
D	rubella.
E	smallpox.

Question 6

Buruli ulcer is caused by

A	gram-positive bacteria.
B	acid-fast bacteria.
C	a fungus.
D	a virus.
E	a mite.

Question 7

The patient has a papular rash. Microscopic examination of skin scrapings reveals small eight-legged animals. The etiology is

A	Candida.
B	Microsporum.
C	Pseudomonas aeruginosa.
D	Staphylococcus aureus.
E	Sarcoptes.

Question 8

The patient has vesicles and scabs over her forehead. Microscopic examination of skin scrapings shows gram-positive cocci in clusters. The etiology is

A	Candida.
B	Microsporum.
C	Pseudomonas aeruginosa.
D	Staphylococcus aureus.
E	Sarcoptes.

Question 9

The patient has scaling skin on his fingers. Conidiospores are seen in microscopic examination of skin scrapings. The etiology is

A	Candida.
B	Microsporum.
C	Pseudomonas aeruginosa.
D	Staphylococcus aureus.
E	Mycobacterium ulcerans.

Question 10

Which of the following is incorrectly matched?

A	Haemophilus influenzae — pinkeye
B	Chlamydia trachomatis — trachoma
C	Neisseria gonorrhea — opthalmia neonatorum
D	Acanthamoeba — keratitis
E	Pseudomonas — inclusion conjunctivitis

Question 11

Assume that your lab partner swabs the side of his face and uses the swab to inoculate a nutrient agar plate. The next day, he performs a Gram stain on the colonies. They are gram-positive cocci. You advise him that he should next look for

A	an acid-fast reaction.
B	a coagulase reaction.
C	conidiospores.
D	pseudohyphae.
E	pseudopods.

Question 12

Which of the following pairs is mismatched?

A	chickenpox — poxvirus
B	conjunctivitis — Chlamydia trachomatis
C	keratitis — Acanthamoeba
D	otitis externa - Pseudomonas
E	Buruli ulcer — Mycobacterium

Question 13

Which of the following is likely to spread MRSA among athletes?

A	physical contact
B	whirlpool baths
C	taping gels
D	shared equipment
E	All of the answers are correct.

Question 14

Inflammation of the thin clear membrane lining the eyelid and eye is properly termed

A	keratititis
B	trachoma
C	ophthalmia neonatorum
D	conjunctivitis
E	whitlow

Question 15

Which of the following is used to treat shingles?

A	penicillin
B	sulfonamide
C	trifluridine
D	fungicide
E	acyclovir

Question 16

Which of the following is used to treat herpetic keratitis?

A	penicillin
B	sulfonamide
C	trifluridine
D	fungicide
E	acyclovir

Question 17

Which of the following is used to treat sporotrichosis?

A	penicillin
B	sulfonamide
C	trifluridine
D	oral potassium iodide
E	acyclovir

Question 18

Which of the following statements about Reye syndrome is FALSE?

A	It is associated with aspirin use.
B	It is a complication that may occur in chickenpox infection.
C	It mostly affects older adults.
D	Symptoms may include vomiting, drowsiness, or behavior changes.
E	Prolonged neurological problems may occur.

Question 19

An eight-year-old girl has scabs and pus-filled vesicles on her face and throat. Three weeks earlier she had visited her grandmother, who had shingles. What infection does the eight-year-old have?

A	chickenpox
B	measles
C	fever blisters
D	scabies
E	rubella

Question 20

Which of the following is NOT true of acne?

A	It can be treated by eliminating fatty foods from the diet.
B	It is often due to the action of Propionibacterium.
C	Drugs that inhibit sebum formation are useful in treating inflammatory acne.
D	Mild cases are treated with topical agents.
E	Antibiotics may be prescribed for moderate cases.

Question 21

Warts are caused by

A	papillomavirus.
B	poxvirus.
C	herpesvirus.
D	parvovirus.
E	Staphylococcus aureus.

Question 22

All of the following are characteristic of Pseudomonas aeruginosa EXCEPT

A	gram-positive cell wall.
B	resistance to many types of disinfectants and antibiotics.
C	growth in moist environments.
D	production of pyocyanin.
E	rod-shaped.

Question 23

Koplik spots are a diagnostic indicator of

A	chickenpox.
B	smallpox.
C	fifth disease.
D	rubella.
E	measles.

Question 24

All of the following are transmitted via the respiratory route EXCEPT

A	smallpox.
B	chickenpox.
C	rubella.
D	tinea.
E	measles.

Question 25

All of the following are protective factors of the skin and its secretions EXCEPT

A	keratin.
B	tightly packed cells.
C	lysozyme production.
D	pyocyanin production.
E	salt.

Question 26

Thrush and vaginitis are caused by

A	herpesvirus.
B	Chlamydia trachomatis.
C	Candida albicans.
D	Staphylococcus aureus.
E	Streptococcus pyogenes.

Question 27

The greatest single cause of blindness in the world is

A	neonatal gonorrheal ophthalmia.
B	keratoconjunctivitis.
C	trachoma.
D	inclusion conjunctivitis.
E	pinkeye.

Question 28

All of the following are characteristic of the Group A beta-hemolytic streptococci EXCEPT

A	methicillin resistance.
B	M proteins.
C	the ability to damage cell membranes.
D	the ability to dissolve blood clots.
E	hyaluronidase production.

Question 29

Which of the following cause(s) ringworm?

A	Microsporum
B	Epidermophyton
C	Mycobacterium
D	Microsporum and Epidermophyton
E	Microsporum, Epidermophyton, and Mycobacterium

Question 30

Newborns' eyes are treated with an antibiotic

A	when Neisseria gonorrhoeae is isolated from the eyes.
B	when the mother is blind.
C	when the mother has genital herpes.
D	when the mother has gonorrhea.
E	as a routine precaution.

Question 31

The eradication of smallpox was possible because

A	it was a relatively mild disease.
B	insect vectors were eliminated.
C	there are no animal reservoirs of the virus.
D	it can be prevented with the same vaccine used to prevent chickenpox.
E	it occurs only in the tropics.

Question 32

A possible complication of chickenpox is

A	encephalitis.
B	fever blisters.
C	subacute sclerosing panencephalitis.
D	congenital rubella syndrome.
E	macular rash.

Question 33

Which region of the skin supports the largest bacterial population?

A	armpits
B	scalp
C	forearms
D	feet
E	All of these support similarly sized bacterial populations.

Question 34

Staphylococcus aureus is responsible for all of the following EXCEPT

A	pimples.
B	sties.
C	boils.
D	carbuncles.
E	acne.

Question 35

Exfoliative toxin is responsible for

A	otitis externa.
B	impetigo.
C	fever blisters.
D	scalded skin syndrome.
E	thrush.

Question 36

All of the following are causative agents of conjunctivitis EXCEPT

A	Chlamydia trachomatis.
B	herpes simplex.
C	adenovirus.
D	Neisseria gonorrhoeae.
E	Haemophilus influenzae.

Question 37

In which of the following respects is measles similar to German measles (rubella)?

A	They have a similar type of rash.
B	They are caused by the same virus.
C	Encephalitis is a possible complication.
D	Congenital complications may occur.
E	They can be controlled by vaccination.

Question 38

Why is vaccination for rubella recommended?

A	It has a high mortality rate in school-age children.
B	Death from secondary infections is common.
C	There is a high incidence of congenital infections and birth defects.
D	Health care workers have a high incidence of infection.
E	It is no longer recommended; rubella has been eradicated.

Question 39

Which of the following statements about congenital rubella syndrome is FALSE?

A	It is contracted during the first trimester of pregnancy.
B	It may be fatal to the unborn child.
C	It may result in deafness, blindness, and mental retardation.
D	It does not occur with subclinical infections.
E	It can be prevented by vaccinating women prior to pregnancy.

Question 40

Which of the following is a subcutaneous mycosis?

A	tinea capitis.
B	sporotrichosis.
C	erysipelas.
D	athlete's foot.
E	Buruli ulcer.

Question 41

Which of the following are incorrectly matched?

A	varicella-zoster — chickenpox
B	parvovirus — fifth disease
C	HHV-6 — roseola
D	herpes zoster — shingles
E	poxvirus — fever blisters

Question 42

Which of the following leads to all the others?

A	toxemia
B	scalded skin syndrome
C	staphylococcal infection
D	TSST-1
E	sudden drop in blood pressure

Question 43

Which of the following is NOT caused by HSV-1?

A	cold sores
B	canker sores
C	herpes gladiatorum
D	herpes whitlow
E	herpes encephalitis

Question 44

A 17-year-old boy has pus-filled cysts on his face and upper back. Microscopic examination reveals gram-positive rods. This infection is caused by

A	Acanthamoeba.
B	herpes simplex virus.
C	Propionibacterium acnes.
D	Staphylococcus aureus.
E	Streptococcus pyogenes.

Question 45

A 35-year-old woman has a red, raised rash on the inside of her thighs. Gram-stained skin scrapings show large budding cells with pseudohyphae. The infection is caused by

A	Candida albicans.
B	herpes simplex virus.
C	Staphylococcus aureus.
D	Streptococcus pyogenes.
E	varicella-zoster virus.

Question 46

A 45-year-old man has pus-filled vesicles distributed over his back in the upper right quadrant, over his right shoulder, and upper right quadrant of his chest. His symptoms are most likely due to

A	Candida albicans.
B	herpes simplex virus.
C	Staphylococcus aureus.
D	Streptococcus pyogenes.
E	varicella-zoster virus.

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Nclex-Rn Practice Questions-Microbiology Microbial Diseases Of The Skin And Eyes

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