Deck 23: Microbial Diseases of the Cardiovascular and Lymphatic Systems

Question 1

Which of the following pairs is mismatched?

A) Acute bacterial endocarditis - Staphylococcus aureus
B) Puerperal sepsis - Staphylococcus aureus
C) Subacute bacterial endocarditis - alpha- hemolytic streptococci
D) Pericarditis - Streptococcus pneumoniae
E) None of the above

Answer 1

B

Question 2

Which of the following pairs is mismatched?

A) Streptobacillus - rat- bite fever
B) Spirillum - rat- bite fever
C) Pasteurella - cat- scratch disease
D) Yersinia - plague
E) Borrelia - relapsing fever

Answer 2

C

Question 3

Which of the following is not caused by a bacterium?

A) Tickborne typhus
B) Relapsing fever
C) Plague
D) Epidemic typhus
E) Malaria

Answer 3

E

Question 4

Which of the following pairs is mismatched?

A) Brucellosis - a temperature of 40°C each evening
B) Borrelia - rash and flulike
C) Toxoplasmosis - congenital brain damage
D) Cat- scratch disease - malignant pustule developing into septicemia
E) Tularemia - a localized infection appearing as a small ulcer

Question 5

Which of the following is the usual cause of septic shock?

A) Exotoxin
B) Endotoxin
C) Septicemia
D) Lymphangitis
E) None of the above

Question 6

EB virus causes all of the following except

A) Nasopharyngeal carcinoma.
B) Endocarditis.
C) Burkitt's lymphoma.
D) Infectious mononucleosis.
E) None of the above.

Question 7

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

A) Hyperbaric chamber.
B) Praziquantel.
C) Streptomycin.
D) Chloroquine.
E) Anti- inflammatory drugs.

Question 8

A predisposing factor for infection by Clostridium perfringens is

A) Gangrene.
B) Burns.
C) An infected finger.
D) Debridement.
E) Hyperbaric treatment.

Question 9

All of the following statements about septicemia are true except

A) It usually is caused by gram- positive bacteria.
B) It may be aggravated by antibiotics.
C) Symptoms are due to bacterial endotoxin.
D) Lymphangitis may occur.
E) Symptoms include fever and decreased blood pressure.

Question 10

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

A) Hyaluronidase.
B) Necrotizing exotoxins.
C) Proteolytic enzymes.
D) Microbial fermentation.
E) Anaerobic environment.

Question 11

You advise your pregnant friend to give her cat away because

A) She could get toxoplasmosis.
B) She could contract plague.
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 listeriosis.

Question 12

All of the following grow inside host cells except

A) Babesia.
B) Dengue fever virus.
C) Brucella.
D) Leishmania.
E) None of the above.

Question 13

All of the following statements about rheumatic fever are true except

A) It is a complication of a Group A beta- hemolytic streptococcal infection.
B) The incidence has declined in the last 10 years.
C) It is an inflammation of the heart.
D) It is cured with penicillin.
E) It is an inflammation of the joints.

Question 14

Which of the following is a symptom of brucellosis?

A) Undulant fever
B) Jaundice
C) Pneumonia
D) A local infection
E) Relapsing fever

Question 15

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:

A) Leishmaniasis.
B) Brucellosis.
C) Anthrax.
D) Schistosomiasis.
E) Malaria.

Question 16

Which of the following is not treated with penicillin?

A) Listeriosis
B) Tularemia
C) Pericarditis
D) Anthrax
E) None of the above

Question 17

The incidence of all of the following diseases is increased by unsanitary and crowded conditions
Except

A) Plague.
B) Endemic murine typhus.
C) Rocky Mountain spotted fever.
D) Epidemic typhus.
E) Relapsing fever.

Question 18

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?

A) No treatment
B) Penicillin
C) Hyperbaric oxygen
D) Streptomycin
E) Mefloquine

Question 19

Relapsing fever and undulant fever differ in all of the following ways except

A) Mode of transmission.
B) Etiology.
C) Presence of rash.
D) Reservoir.
E) None of the above.

Question 20

Which of the following is not a zoonosis?

A) Anthrax
B) Puerperal sepsis
C) Hantavirus infection
D) Brucellosis
E) Tularemia

Question 21

Which of the following leads to all the others?

A) Bacterial growth in endothelial cells
B) Subcutaneous hemorrhaging
C) Breakage of capillaries
D) Presence of antirickettsial antibodies
E) Blockage of capillaries

Question 22

Which of the following is not true about toxoplasmosis?

A) It is a severe illness in adults.
B) It is caused by a protozoan.
C) It is transmitted by the gastrointestinal route.
D) The reservoir is cats.
E) It can be congenital.

Question 23

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?

A) Yellow fever
B) Typhus
C) Dengue
D) Bolivian hemorrhagic fever
E) Hantavirus hemorrhagic fever

Question 24

All of the following statements about schistosomiasis are true except

A) It is caused by a flatworm.
B) The cercariae penetrate human skin.
C) The intermediate host is an aquatic snail.
D) A parasite of birds causes swimmer's itch in humans.
E) None of the above.

Question 25

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

A) Spirillum
B) Cytomegalovirus
C) Toxoplasma
D) Borrelia
E) Yersinia

Question 26

All of the following can be transmitted to humans from domestic cats except

A) Bartonella.
B) Toxoplasmosis.
C) Plague.
D) Chagas' disease
E) None of these diseases is transmitted by cats.

Question 27

Infections by all of the following bacteria may be transmitted by dog or cat bites except

A) Fusobacterium.
B) Pasteurella multocida.
C) Streptobacillus.
D) Bacteroides.
E) None of the above.

Question 28

Human- to- human transmission of plague is usually by

A) Rat flea.
B) Wounds.
C) The respiratory route.
D) Dog flea.
E) None of the above.

Question 29

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

A) Treatable with penicillin
B) Not contagious
C) Affected mostly children
D) Accompanied by a rash
E) All of the above

Question 30

Which of the following is not transmitted in raw milk?

A) Listeriosis
B) Brucellosis
C) Toxoplasmosis
D) Anthrax
E) None of the above

Question 31

All of the following are treated with antibiotics except

A) Lyme disease.
B) Yellow fever.
C) Tularemia.
D) Plague.
E) None of the above.

Question 32

All of the following are true about Group B streptococci except that they

A) Are present in healthy carriers.
B) Cause strep throat.
C) Cause gram- positive sepsis.
D) Cause neonatal sepsis.
E) None of the above

Question 33

All of the following facts about Chagas' disease are true except

A) Reservoir - rodents.
B) Diagnosis - serological tests for antibodies.
C) Causative agent - T. cruzi.
D) Vector - kissing bug.
E) Treatment - Nifurtimox.

Question 34

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

A) Yellow fever
B) Brucellosis
C) Epidemic typhus
D) Malaria
E) Plague

Question 35

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

A) Chagas' disease.
B) Rocky Mountain spotted fever.
C) Lyme disease.
D) Relapsing fever.
E) Swimmer's itch.

Question 36

Septicemia may result from all of the following except

A) Contamination through the parenteral route.
B) A focal infection.
C) Pneumonia.
D) A nosocomial infection.
E) None of the above.

Question 37

Which of the following pairs is mismatched?

A) Bacillus - gram- positive endospore- forming rods
B) Rickettsia - intracellular parasite
C) Brucella - gram- negative aerobic rods
D) Francisella - gram- positive facultatively anaerobic pleomorphic rods
E) None of the above

Question 38

Which of the following pairs is mismatched?

A) Epidemic typhus - Pediculus (louse)
B) Encephalitis - Ixodes (tick)
C) Rocky Mountain spotted fever - Dermacentor (tick)
D) Malaria - Anopheles (mosquito)
E) Dengue - Aedes (mosquito)

Question 39

All of the following statements about puerperal sepsis are true except

A) It begins as a focal infection.
B) It is caused by health- care personnel.
C) It is transmitted from mother to fetus.
D) It is a complication of abortion or childbirth.
E) It doesn't occur anymore because of antibiotics and aseptic techniques.

Question 40

Which of the following is not a characteristic of Bacillus anthracis?

A) Gram- positive
B) Forms endospores
C) Found in soil
D) Aerobic
E) All of the above are characteristics of B. anthracis

Question 41

Which of the following pairs regarding the epidemiology of malaria is mismatched?

A) Found in liver - sporozoites
B) Diagnosis - presence of merozoites
C) Vector - Anopheles
D) Etiology - Plasmodium
E) Treatment - antibiotics

Question 42

Which of the following pairs is not correctly matched for Gram reaction?

A) Anthrax - gram- positive
B) Lyme disease - gram- negative
C) Tularemia - gram- negative
D) Rocky Mountain spotted fever - gram- negative
E) All of the above are correctly matched

Question 43

All of the following statements about tularemia are true except

A) The reservoir is rabbits.
B) It may be transmitted by arthropods.
C) It occurs only in California.
D) It may be transmitted by direct contact.
E) It is caused by Francisella tularensis.

Question 44

A characteristic symptom of plague is

A) Rose- colored spots.
B) Small red spots on the skin.
C) Bruises on the skin.
D) Recurrent fever.
E) None of the above.

Question 45

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

A) Cytomegalovirus
B) Yersinia
C) Spirillum
D) Borrelia
E) Toxoplasma