Chapter 23 Quiz

Front 1

Unsanitary and crowded conditions increase the incidence of all of the following diseases EXCEPT

Select one:

a. Epidemic typhus.

b. Plague.

c. Endemic murine typhus.

d. Relapsing fever.

e. Rocky Mountain spotted fever.

Back 1

Rocky Mountain spotted fever.

Front 2

Which of the following CANNOT be transmitted to humans from domestic cats?

Select one:

a. Bartonella

b. Plague

c. Toxoplasmosis

d. Chagas' disease

e. None of these diseases is transmitted by cats.

Back 2

Chagas' disease

Front 3

Which of the following grows outside host cells?

Select one:

a. Streptobacillus

b. Brucella

c. Bartonella

d. Ehrlichia

e. Rickettsia

Back 3

Streptobacillus

Front 4

A patient complains of fever, severe muscle and joint pain, and a rash. The patient reports returning from a Caribbean vacation one week ago. Which one of the following do you suspect?

Select one:

a. Yellow fever

b. Bolivian hemorrhagic fever

c. Typhus

d. Hantavirus hemorrhagic fever

e. Dengue

Back 4

Dengue

Front 5

A 62-year-old man was hospitalized with an 8-day history of fever, chills, sweats, and vomiting. His temperature on admission was 40°C. A routine peripheral blood smear revealed ring-shaped bodies in the RBCs. What treatment would you prescribe?

Select one:

a. No treatment

b. Streptomycin

c. Hyperbaric oxygen

d. Penicillin

e. Mefloquine

Back 5

Mefloquine

Front 6

Human-to-human transmission of plague is usually by

Select one:

a. Rat flea.

b. The respiratory route.

c. Wounds.

d. Dog flea.

e. Unsanitary conditions.

Back 6

The respiratory route.

Front 7

Which of the following statements about tularemia is false?

Select one:

a. It may be transmitted by arthropods.

b. It occurs only in California.

c. It may be transmitted by direct contact.

d. The reservoir is rabbits.

e. It is caused by Francisella tularensis.

Back 7

It occurs only in California.

Front 8

Which of the following statements about sepsis is false?

Select one:

a. It usually is caused by gram-positive bacteria.

b. It may be aggravated by antibiotics.

c. Lymphangitis may occur.

d. Symptoms are due to bacterial endotoxin.

e. Symptoms include fever and decreased blood pressure.

Back 8

a. It usually is caused by gram-positive bacteria.

Front 9

Which of the following is a symptom of brucellosis?

Select one:

a. Relapsing fever

b. Undulant fever

c. Pneumonia

d. A local infection

e. Jaundice

Back 9

Undulant fever

Front 10

You advise your pregnant friend to give her cat away because

Select one:

a. She could contract plague.

b. She could get listeriosis.

c. You don't like cats and want to see your friend without one.

d. She could give the cat tularemia.

e. She could get toxoplasmosis.

Back 10

She could get toxoplasmosis.

Front 11

Which of the following is NOT controlled by a mosquito eradication program?

Select one:

a. Chikungunya fever

b. Dengue

c. Toxoplasmosis

d. Yellow fever

e. Malaria

Back 11

Toxoplasmosis

Front 12

A patient presents with inflammation of the heart valves, fever, malaise, and subcutaneous nodules at joints. The recommended treatment is

Select one:

a. Streptomycin.

b. Chloroquine.

c. Praziquantel.

d. Anti-inflammatory drugs.

e. Hyperbaric chamber.

Back 12

Anti-inflammatory drugs.

Front 13

Which of the following can be transmitted from an infected mother to her fetus across the placenta?

Select one:

a. Toxoplasma

b. Cytomegalovirus

c. Spirillum

d. Borrelia

e. Yersinia

Back 13

Cytomegalovirus

Front 14

Arthropods can serve as a reservoir for which of the following diseases?

Select one:

a. Plague

b. Malaria

c. Epidemic typhus

d. Yellow fever

e. Brucellosis

Back 14

Brucellosis

Front 15

A characteristic symptom of plague is

Select one:

a. Small red spots on the skin.

b. Nausea and vomiting.

c. Bruises on the skin.

d. Rose-colored spots.

e. Recurrent fever.

Back 15

Bruises on the skin.

Front 16

Which of the following is NOT a zoonosis?

Select one:

a. Brucellosis

b. Hantavirus infection

c. Puerperal sepsis

d. Tularemia

e. Anthrax

Back 16

Puerperal sepsis

Front 17

EB virus has been implicated in all of the following EXCEPT

Select one:

a. Hodgkin's disease.

b. Burkitt's lymphoma.

c. Nasopharyngeal carcinoma.

d. Infectious mononucleosis.

e. Endocarditis

Back 17

Endocarditis

Front 18

A patient has the following symptoms: a papule, enlarged lymph nodes. Microscopic examination of the papule reveals nucleated cells in white blood cells. The patient most likely has

Select one:

a. Malaria.

b. Anthrax.

c. Brucellosis.

d. Leishmaniasis.

e. Schistosomiasis.

Back 18

Leishmaniasis.

Front 19

Which of the following pairs is mismatched?

Select one:

a. Brucella gram-negative aerobic rods

b. Rickettsia intracellular parasite

c. Francisella gram-positive facultatively anaerobic pleomorphic rods

d. Bacillus gram-positive endospore-forming rods

e. None of the above

Back 19

Francisella gram-positive facultatively anaerobic pleomorphic rods

Front 20

Which of the following produces a permanent carrier state following infection?

Select one:

a. Spirillum

b. Yersinia

c. Borrelia

d. Toxoplasma

e. Cytomegalovirus

Back 20

Cytomegalovirus

Front 21

Which of the following statements about toxoplasmosis is false?

Select one:

a. It is a severe illness in adults.

b. It can be congenital.

c. It is caused by a protozoan.

d. The reservoir is cats.

e. It is transmitted by the gastrointestinal route.

Back 21

It is a severe illness in adults.

Front 22

Scrapings from a patient's rash reveal cercariae. The disease is most likely

Select one:

a. Swimmer's itch.

b. Rocky Mountain spotted fever.

c. Relapsing fever.

d. Lyme disease.

e. Chagas' disease.

Back 22

Swimmer's itch

Front 23

Which of the following leads to all the others?

Select one:

a. Blockage of capillaries

b. Bacterial growth in endothelial cells

c. Presence of antirickettsial antibodies

d. Breakage of capillaries

e. Subcutaneous hemorrhaging

Back 23

Bacterial growth in endothelial cells

Front 24

Which of the following is evidence that the arthritis afflicting children in Lyme, Connecticut, was due to bacterial infection?

Select one:

a. Not contagious

b. Transmitted by ticks

c. Treatable with penicillin

d. Affected mostly children

e. Accompanied by a rash

Back 24

Treatable with penicillin

Front 25

Which of the following statements about rheumatic fever is false?

Select one:

a. It is cured with penicillin.

b. The incidence has declined in the last 10 years.

c. It is an inflammation of the heart.

d. It is a complication of a group A beta-hemolytic streptococcal infection.

e. It is an inflammation of the joints.

Back 25

It is cured with penicillin.

Front 26

Bioweapons

Select one:

a. Are all viruses.

b. Are not susceptible to antibiotics.

c. Are impossible to detect.

d. Have been used for centuries.

e. Are all respiratory pathogens.

Back 26

Have been used for centuries.

Front 27

Which of the following statements about schistosomiasis is false?

Select one:

a. The cercariae penetrate human skin.

b. A parasite of birds causes swimmer's itch in humans.

c. It is caused by a roundworm.

d. The female worm is attached to the male.

e. The intermediate host is an aquatic snail.

Back 27

It is caused by a roundworm.

Front 28

The symptoms of gas gangrene are due to all of the following EXCEPT

Select one:

a. Proteolytic enzymes.

b. Hyaluronidase.

c. Microbial fermentation.

d. Necrotizing exotoxins.

e. Anaerobic environment.

Back 28

Anaerobic environment.

Front 29

A predisposing factor for infection by Clostridium perfringens is

Select one:

a. An infected finger.

b. Hyperbaric treatment.

c. Debridement.

d. Gangrene.

e. Burns.

Back 29

Gangrene.

Front 30

Which of the following bacterial infections CANNOT be transmitted by dog or cat bites?

Select one:

a. Fusobacterium

b. Bacteroides

c. Pasteurella multocida

d. Streptobacillus

e. All of the above can be transmitted by dog or cat bites.

Back 30

Streptobacillus