Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1)
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?
1)
A)
viral culture
B)
microscopic examination of blood
C)
bacterial culture
D)
serological test for antigen
E)
serological test for antibodies
2)
All of the following can cause congenital infection or infections of the newborn EXCEPT
2)
A)
gonorrhea.
B)
nongonococcal urethritis.
C)
genital herpes.
D)
lymphogranuloma venereum.
E)
syphilis.
3)
Vaginal itching and cheesy discharge are symptoms of
3)
A)
Gardnerella vaginosis.
B)
lymphogranuloma venereum.
C)
genital herpes.
D)
candidiasis.
E)
trichomoniasis.
4)
Which of the following is the most difficult to treat with chemotherapeutic agents?
4)
A)
gonorrhea
B)
leptospirosis
C)
genital herpes
D)
syphilis
E)
trichomoniasis
5)
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
5)
A)
miconazole.
B)
penicillin.
C)
surgery.
D)
metronidazole.
E)
acyclovir.
6)
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?
6)
A)
miconazole
B)
metronidazole
C)
cephalosporins
D)
acyclovir
E)
No treatment is available.
7)
Normal microbiota of the adult vagina consist primarily of
7)
A)
Neisseria.
B)
Streptococcus.
C)
Mycobacterium.
D)
Candida.
E)
Lactobacillus.
8)
Which of the following recurs at the initial site of infection?
8)
A)
LGV
B)
gonorrhea
C)
genital herpes
D)
syphilis
E)
chancroid
9)
Cystitis is most often caused by
9)
A)
Candida albicans.
B)
Neisseria gonorrhoeae.
C)
Pseudomonas aeruginosa.
D)
Leptospira interrogans.
E)
Escherichia coli.
10)
The most common reservoir for leptospirosis within the United States is
10)
A)
humans.
B)
domestic cats.
C)
water.
D)
domestic dogs.
E)
rats.
11)
Which one of the following statements about genital warts is FALSE?
11)
A)
It is always precancerous.
B)
It is treated by removing them.
C)
It is transmitted by direct contact.
D)
It is caused by papillomaviruses.
E)
It can lead to cervical cancer in women.
12)
Leukocytes at the infected site are a symptom of
12)
A)
lymphogranuloma venereum.
B)
candidiasis.
C)
genital herpes.
D)
Gardnerella vaginosis.
E)
trichomoniasis.
13)
One form of NGU is lymphogranuloma venereum caused by
13)
A)
Treponema pallidum.
B)
Candida albicans.
C)
Leptospira interrogans.
D)
Chlamydia trachomatis.
E)
Neisseria gonorrhoeae.
14)
A urine sample collected directly from the urinary bladder
14)
A)
has leukocyte esterase.
B)
contains more than 100,000 pathogens/ml.
C)
contains fewer than 10,000 pathogens/ml.
D)
is sterile.
E)
contains fewer than 100 pathogens/ml.
15)
Which of the following is greater?
15)
A)
the number of reported cases of AIDS last year
B)
the number of reported cases of gonorrhea last year
C)
The number of reported cases of gonorrhea and AIDS are likely equal.
16)
Pyelonephritis usually is caused by
16)
A)
Escherichia coli.
B)
Enterobacter aerogenes.
C)
Pseudomonas aeruginosa.
D)
Streptococcus pyogenes.
E)
Proteus spp.
17)
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 treatment is
appropriate?
17)
A)
surgery
B)
miconazole
C)
acyclovir
D)
metronidazole
E)
penicillin
18)
All of the following result from N. gonorrhoeae infection. Which one leads to the others?
18)
A)
CD4+ T lymphocytes do not proliferate.
B)
There is an increased risk of other STIs.
C)
CD4+ T lymphocytes do not activate.
D)
Antibody production is stopped.
E)
Opa protein attaches to CD4+ T lymphocytes.
19)
Which of the following is caused by Chlamydia?
19)
A)
Gardnerella vaginosis
B)
trichomoniasis
C)
lymphogranuloma venereum
D)
candidiasis
E)
genital herpes
20)
Staphylococcus saprophyticus causes
20)
A)
syphilis.
B)
pyelonephritis.
C)
vaginitis.
D)
cystitis.
E)
gonorrhea.
21)
A patient presents with fever and extensive lesions of the labia minora. Her VDRL test was
negative. What is the most likely treatment?
21)
A)
metronidazole
B)
acyclovir
C)
cephalosporins
D)
miconazole
E)
No treatment is available.
22)
A positive LE text and 10,000 CFU/ml in urine indicates
22)
A)
urethritis.
B)
gonorrhea.
C)
cystitis.
D)
genital herpes.
E)
pyelonephritis.
23)
Which of the following diseases causes a skin rash, hair loss, malaise, and fever?
23)
A)
NGU
B)
syphilis
C)
gonorrhea
D)
genital herpes
E)
trichomoniasis
24)
Pyelonephritis may result from
24)
A)
ureteritis.
B)
systemic infections.
C)
cystitis.
D)
urethritis.
E)
All of the answers are correct.
25)
Which of the following is NOT an antimicrobial feature of the urinary system?
25)
A)
the use of the urethra for seminal fluid in women
B)
pH of the urine
C)
physiological valves found in the ureter
D)
flushing action of urine
E)
None of the answers is correct; all of these are antimicrobial features of the urinary system.
26)
Most nosocomial infections of the urinary tract are caused by
26)
A)
Proteus.
B)
Enterococcus.
C)
Pseudomonas.
D)
Escherichia coli.
E)
Klebsiella.
27)
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?
27)
A)
candidiasis
B)
genital herpes
C)
NGU
D)
gonorrhea
E)
syphilis
28)
Which of the following is NOT a predisposing factors to cystitis in females?
28)
A)
the proximity of the anus to the urethra
B)
poor personal hygiene
C)
sexual intercourse
D)
the length of the urethra
E)
None of the answers is correct; all of these are predisposing factors.
29)
Which of the following is NOT a complication of gonorrhea?
29)
A)
arthritis
B)
endocarditis
C)
meningitis
D)
pelvic inflammatory disease
E)
None of the answers are correct; all of these are potential complications of gonorrhea.
30)
Nongonococcal urethritis can be caused by all of the following EXCEPT
30)
A)
Trichomonas vaginalis.
B)
Neisseria gonorrhoeae.
C)
streptococci.
D)
Mycoplasma homini.
E)
Candida albicans.
31)
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
31)
A)
the disease cannot be transmitted to newborns.
B)
maternal antibodies offer protection.
C)
the disease is not communicable.
D)
prophylactic antibiotics are administered to the newborn.
E)
the virus is not growing.
B
32)
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?
32)
A)
tertiary
B)
primary
C)
secondary
D)
NGU
C
33)
The most common NGU in the United States is treated with
33)
A)
acyclovir.
B)
cephalosporins.
C)
AZT.
D)
doxycycline.
E)
penicillin.
B
B
Explanation:
34)
Which of the following pairs is mismatched?
34)
A)
syphilis gram–negative spirochete
B)
Gardnerella clue cells
C)
trichomoniasis fungus
D)
gonorrhea gram–negative cocci
E)
chancroid gram–negative rod
35)
Which of the following is caused by an opportunistic pathogen?
35)
A)
trichomoniasis
B)
candidiasis
C)
gonorrhea
D)
genital herpes
E)
chancroid
36)
Which one of the following does NOT cause nongonococcal urethritis?
36)
A)
Mycoplasma
B)
Ureaplasma
C)
Neisseria
D)
Chlamydia
E)
None of the answers is correct; all of these cause NGU.
37)
Which of the following is treated with penicillin?
37)
A)
candidiasis
B)
genital herpes
C)
trichomoniasis
D)
genital warts
E)
syphilis
38)
Which of the following is treated with cephalosporins because the organism is resistant to penicillin
and fluoroquinolones?
38)
A)
Gardnerella vaginalis
B)
Mycoplasma hominis
C)
Neisseria gonorrhoeae
D)
Haemophilus ducreyi
E)
Treponema pallidum
39)
The most common reportable disease in the United States is
39)
A)
syphilis.
B)
gonorrhea.
C)
lymphogranuloma venereum.
D)
cystitis.
E)
candidiasis.
40)
Which of the following is NOT primarily a sexually transmitted infection (STI)?
40)
A)
trichomoniasis
B)
gonorrhea
C)
chancroid
D)
lymphogranuloma venereum
E)
genital herpes
41)
Which of the following is diagnosed by detection of antibodies against the causative agent?
41)
A)
gonorrhea
B)
lymphogranuloma venereum
C)
nongonococcal urethritis
D)
candidiasis
E)
syphilis
42)
A 25–year–old man presented with fever, malaise, and a rash on his chest, arms, and feet. Which of
the following causative agents is most likely to cause these symptoms?
42)
A)
HPV
B)
Treponema
C)
Candida
D)
Nesseria
E)
HSV–2
43)
Which of the following statements about pelvic inflammatory disease is FALSE?
43)
A)
It can be caused by T. pallidum.
B)
It can cause sterility and chronic pain.
C)
It can be transmitted sexually.
D)
It can be caused by C. trachomatis.
E)
It can be caused by N. gonorrhoeae.
44)
Recurring vesicles on the surface of human skin are symptoms of
44)
A)
lymphogranuloma venereum.
B)
Gardnerella vaginosis.
C)
genital herpes.
D)
trichomoniasis.
E)
candidiasis.
45)
The pH of the adult vagina is acidic due to the conversion of ________ to ________ by bacteria.
45)
A)
urine; lactic acid
B)
glucose; ethanol
C)
protein; acetic acid
D)
glycogen; lactic acid
E)
mucosal cells; lactic acid
TRUE/FALSE. Write ‘T’ if the statement is true and ‘F’ if the statement is false.
46)
Genital candidiasis is a disease that only affects women.
46)
47)
Women and men typically have the same normal microbiota in their reproductive systems.
47)
48)
Trichomoniasis is the only known STI caused by a protozoan.
48)
49)
A microbe that enters the vagina would likely cause cystitis if left untreated.
49)
50)
The TORCH panel of tests is used to screen for diseases like syphilis.
50)
51)
Only HSV–2 can cause genital herpes.
51)
52)
Most UTI infections are nosocomial.
52)
53)
The male urethra is typically sterile.
53)
54)
Anatomically, women have more portals of entry in the reproductive system compared to men.
54)
55)
Candida is a normal flora found in the majority of women.
55)
ESSAY. Write your answer in the space provided or on a separate sheet of paper.
56)
Why are the unreported cases of STIs an important public health concern?
57)
Would you expect reported cases of urethritis to be higher than pyleonephritis? Explain.
58)
Nearly 70 percent of the patients seen in STI clinics are men. Offer a reason men are more likely to seek
treatment than women. Why is it important that women seek treatment for STIs?
59)
Would you expect the incidence of leptospirosis to be higher in urban or rural communities? Explain.
Answer Key
Testname: C26
15
Answer Key
Testname: C26