Microbiology Final- Chapter 26 Flashcards


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1

Infants born to asymptomatic mothers with recurrent genital herpes are less likely to acquire herpesvirus at birth than infants born to newly infected mothers because

maternal antibodies offer protection.

2

A positive LE test and greater than 100 CFU/ml of a single species in urine indicates

pyelonephritis.

3

Which one of the following is an effective means of treatment for genital warts?

podofilox and imiquimod gels

4

Which of the following is greater?

the number of reported cases of gonorrhea last year

5

Leukocytes at the infected site are a symptom of

trichomoniasis

6

Which of the following is treated with cephalosporins because the organism is resistant to penicillin and fluoroquinolones?

Neisseria gonorrhoeae

7

Which of the following is NOT a predisposing factor to cystitis in females?

None of the answers is correct; all of these are predisposing factors.

8

Which one of the following is a STI that may be confused with syphilis due to its ulcer formation on the genitalia?

chancroid (soft chancre)

9

One form of NGU is lymphogranuloma venereum caused by

Chlamydia trachomatis.

10

Which of the following is caused by an opportunistic pathogen?

candidiasis

11

Cystitis is most often caused by

Neisseria gonorrhoeae.

12

A 25-year-old male presented with fever, malaise, and a rash on his chest, arms, and feet. Diagnosis was based on serological testing. The patient then reported that he had an ulcer on his penis two months earlier. This disease can be treated with

penicillin

13

The most common NGU in the United States is treated with

doxycycline.

14

All of the following result from N. gonorrhoeae infection. Which one leads to the others?

Opa protein attaches to CD4+ T lymphocytes.

15

A 25-year-old man presented with fever, malaise, and a rash on his chest, arms, and feet. Diagnosis was based on serological testing. The patient then reported that he had an ulcer on his penis two months earlier. What stage of disease is the patient in?

secondary

16

Which of the following diseases causes a skin rash, hair loss, malaise, and fever?

syphilis

17

Normal microbiota of the adult vagina consists primarily of

Lactobacillus.

18

Which of the following is the most difficult to treat with chemotherapeutic agents?

genital herpes

19

Which one of the following genera of microorganisms causes gonorrhea?

Neisseria

20

A 25-year-old man presented with fever, malaise, and a rash on his chest, arms, and feet. Which one of the following causative agents is most likely to cause these symptoms?

Treponema

21

Which one of the following statements about pelvic inflammatory disease is FALSE?

It can be caused by T. pallidum.

22

A 25-year-old man presented with fever, malaise, and a rash on his chest, arms, and feet. Which of the following will be most useful for a rapid diagnosis?

serological test for antibodies

23

A positive LE test and greater than 100 CFU/ml of a single species in urine indicates

pyelonephritis.

24

The most common reservoir for leptospirosis within the United States is

domesticated dogs

25

Vaginal itching and cheesy discharge are symptoms of

candidiasis

26

A patient presents with fever and extensive lesions of the labia minora. Her VDRL test was negative. What is the most likely treatment?

acyclovir

27

A "clean" urine sample collected directly from the urinary bladder of a healthy individual

should be largely devoid of common skin microbiota.

28

Which one of the following is diagnosed by detection of antibodies against the causative agent?

syphilis

29

Which one of the following recurs at the initial site of infection?

genital herpes

30

The most common reportable disease in the United States is

gonorrhea

31

There are many types of HPV, and the available vaccines don't (can't) cover all of them. However, the vaccine is still recommended for helping to control the disease caused by the virus. Why?

The vaccine covers strains frequently associated with development of cancerous states.

32

Which of the following is NOT a complication of gonorrhea?

A) None of the answers are correct; all of these are potential complications of gonorrhea

B) pelvic inflammatory disease

C) arthritis

D) meningitis

E) endocarditis

A

33

Which one of the following statements about genital warts is FALSE?

Lesions are always precancerous

34

A 25-year-old man presented with fever, malaise, and a rash on his chest, arms, and feet. Diagnosis was based on serological testing. The patient then reported that he had an ulcer on his penis two months earlier. What stage of disease is the patient in?

secondary

35

Which one of the following is caused by Chlamydia?

lymphogranuloma venereum

36

Which one of the following is treated with penicillin?

syphilis

37

Pyelonephritis may result from

A) ureteritis

B) systemic infections

C) cystitis

D) uretrutis

E) all of the answers are correct

E

38

A pelvic examination of a 23-year-old woman showed vesicles and ulcerated lesions on her labia. Cultures were negative for Neisseria and Chlamydia; the VDRL test was negative. Which of the following is probable?

genital herpes

39

A patient is experiencing profuse greenish-yellow, foul-smelling discharge from her vagina. She is complaining of itching and irritation. What is the most likely treatment?

metronidazole

40

Staphylococcus saprophyticus causes

cystitis

41

Which one of the following pairs is mismatched?

trichomoniasis – fungus

42

Nongonococcal urethritis can be caused by all of the following EXCEPT

Neisseria gonorrhoeae

43

In the United States, approximately how many people over the age of 30 are infected with HSV-2?

approximately 25%

44

Recurring vesicles on the surface of human skin are symptoms of

genital herpes