Microbiology - Chapter 23 Study
Questions with Elaborate Answers
Already A
1. Which of the following statements about sepsis is FALSE?
A) It may be aggravated by antibiotics.
B) It can be treated with antibiotics.
C) It usually is caused by gram-positive bacteria.
D) Symptoms include fever and decreased blood pressure.
E) Lymphangitis may occur - ANSWER C
2. Which of the following pairs is mismatched?
A) acute bacterial endocarditis — Staphylococcus aureus
B) subacute bacterial endocarditis — alpha-hemolytic streptococci
C) puerperal sepsis — Staphylococcus aureus
D) Burkitt's lymphoma — Epstein-Barr virus
E) pericarditis — Streptococcus pyogenes - ANSWER C
3. Which of the following is NOT a recognized form of anthrax?
A) septic
B) cutaneous
C) inhalationial
D) gastrointestinal
E) None of the answers are correct; all of these are recognized forms of
anthrax - ANSWER A
4. Which of the following is NOT typically treated with penicillin?
A) pericarditis
B) animal bites
C) anthrax
, D) rat-bite fever
E) puerperal sepsis - ANSWER E
5. Which of the following statements about tularemia is FALSE?
A) The most common reservoir is rabbits.
B) It occurs only in California.
C) It is caused by Francisella tularensis.
D) It may be transmitted by direct contact.
E) It may be transmitted by arthropods - ANSWER B
6. Which of the following is a symptom of brucellosis?
A) undulant fever
B) pneumonia
C) jaundice
D) gastroenteritis
E) relapsing fever - ANSWER A
7. Which of the following is NOT transmitted in raw milk?
A) brucellosis
B) toxoplasmosis
C) listeriosis
D) anthrax
E) All of these can be transmitted in raw milk. - ANSWER B
8. Which of the following is NOT a characteristic of Bacillus anthracis?
A) is gram-positive
B) found in soil
C) is aerobic
D) forms endospores
E) produces endotoxins - ANSWER E
,9. Which of the following pairs is mismatched?
A) Rocky Mountain spotted fever — Dermacentor (tick)
B) encephalitis — Ixodes (tick)
C) dengue — Aedes (mosquito)
D) malaria — Anopheles (mosquito)
E) epidemic typhus — Pediculus (louse) - ANSWER B
10.Unsanitary and crowded conditions increase the incidence of all of the
following diseases EXCEPT
A) epidemic typhus.
B) plague.
C) relapsing fever.
D) Rocky Mountain spotted fever.
E) endemic murine typhus. - ANSWER D
11.Which of the following statements about toxoplasmosis is FALSE?
A) It is caused by a protozoan.
B) It can be congenital.
C) It is a severe illness in adults.
D) It is transmitted by the gastrointestinal route.
E) The reservoir is cats - ANSWER C
12.Which of the following pairs does NOT apply to Chagas' disease?
A) vector — kissing bug
B) causative agent — Trypanosoma cruzi
C) diagnosis of acute phase — serological tests for antibodies
D) treatment — nifurtimox
E) reservoir — rodents - ANSWER C
13.Which of the following is NOT caused by a bacterium?
A) relapsing fever
B) epidemic typhus
C) plague
, D) malaria
E) tickborne typhus - ANSWER D
14.A patient presents with inflammation of the heart valves, fever, malaise, and
subcutaneous nodules at joints. The recommended treatment is
A) anti-inflammatory drugs.
B) streptomycin.
C) praziquantel.
D) chloroquine.
E) hyperbaric chamber - ANSWER A
Which of the following statements about puerperal sepsis is FALSE?
A) It is caused by health care personnel.
B) It is a complication of abortion or childbirth.
C) It is transmitted from mother to fetus.
D) It begins as a focal infection.
E) Its frequency of occurrence has decreased because of antibiotics and aseptic
techniques - ANSWER C
Which of the following statements about schistosomiasis is FALSE?
A) It is caused by a roundworm.
B) The intermediate host is an aquatic snail.
C) The female worm lives in a groove that runs down the body of the male.
D) The cercariae penetrate human skin.
E) A parasite of birds causes swimmer's itch in humans. - ANSWER A
Which of the following statements about rheumatic fever is FALSE?
A) It is an inflammation of the joints.
Questions with Elaborate Answers
Already A
1. Which of the following statements about sepsis is FALSE?
A) It may be aggravated by antibiotics.
B) It can be treated with antibiotics.
C) It usually is caused by gram-positive bacteria.
D) Symptoms include fever and decreased blood pressure.
E) Lymphangitis may occur - ANSWER C
2. Which of the following pairs is mismatched?
A) acute bacterial endocarditis — Staphylococcus aureus
B) subacute bacterial endocarditis — alpha-hemolytic streptococci
C) puerperal sepsis — Staphylococcus aureus
D) Burkitt's lymphoma — Epstein-Barr virus
E) pericarditis — Streptococcus pyogenes - ANSWER C
3. Which of the following is NOT a recognized form of anthrax?
A) septic
B) cutaneous
C) inhalationial
D) gastrointestinal
E) None of the answers are correct; all of these are recognized forms of
anthrax - ANSWER A
4. Which of the following is NOT typically treated with penicillin?
A) pericarditis
B) animal bites
C) anthrax
, D) rat-bite fever
E) puerperal sepsis - ANSWER E
5. Which of the following statements about tularemia is FALSE?
A) The most common reservoir is rabbits.
B) It occurs only in California.
C) It is caused by Francisella tularensis.
D) It may be transmitted by direct contact.
E) It may be transmitted by arthropods - ANSWER B
6. Which of the following is a symptom of brucellosis?
A) undulant fever
B) pneumonia
C) jaundice
D) gastroenteritis
E) relapsing fever - ANSWER A
7. Which of the following is NOT transmitted in raw milk?
A) brucellosis
B) toxoplasmosis
C) listeriosis
D) anthrax
E) All of these can be transmitted in raw milk. - ANSWER B
8. Which of the following is NOT a characteristic of Bacillus anthracis?
A) is gram-positive
B) found in soil
C) is aerobic
D) forms endospores
E) produces endotoxins - ANSWER E
,9. Which of the following pairs is mismatched?
A) Rocky Mountain spotted fever — Dermacentor (tick)
B) encephalitis — Ixodes (tick)
C) dengue — Aedes (mosquito)
D) malaria — Anopheles (mosquito)
E) epidemic typhus — Pediculus (louse) - ANSWER B
10.Unsanitary and crowded conditions increase the incidence of all of the
following diseases EXCEPT
A) epidemic typhus.
B) plague.
C) relapsing fever.
D) Rocky Mountain spotted fever.
E) endemic murine typhus. - ANSWER D
11.Which of the following statements about toxoplasmosis is FALSE?
A) It is caused by a protozoan.
B) It can be congenital.
C) It is a severe illness in adults.
D) It is transmitted by the gastrointestinal route.
E) The reservoir is cats - ANSWER C
12.Which of the following pairs does NOT apply to Chagas' disease?
A) vector — kissing bug
B) causative agent — Trypanosoma cruzi
C) diagnosis of acute phase — serological tests for antibodies
D) treatment — nifurtimox
E) reservoir — rodents - ANSWER C
13.Which of the following is NOT caused by a bacterium?
A) relapsing fever
B) epidemic typhus
C) plague
, D) malaria
E) tickborne typhus - ANSWER D
14.A patient presents with inflammation of the heart valves, fever, malaise, and
subcutaneous nodules at joints. The recommended treatment is
A) anti-inflammatory drugs.
B) streptomycin.
C) praziquantel.
D) chloroquine.
E) hyperbaric chamber - ANSWER A
Which of the following statements about puerperal sepsis is FALSE?
A) It is caused by health care personnel.
B) It is a complication of abortion or childbirth.
C) It is transmitted from mother to fetus.
D) It begins as a focal infection.
E) Its frequency of occurrence has decreased because of antibiotics and aseptic
techniques - ANSWER C
Which of the following statements about schistosomiasis is FALSE?
A) It is caused by a roundworm.
B) The intermediate host is an aquatic snail.
C) The female worm lives in a groove that runs down the body of the male.
D) The cercariae penetrate human skin.
E) A parasite of birds causes swimmer's itch in humans. - ANSWER A
Which of the following statements about rheumatic fever is FALSE?
A) It is an inflammation of the joints.
