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Question 1
Which statement accurately reflects the nursing management of a client with West Nile virus
infection?
A) Treatment is focused on administering antiviral medications.
B) Management is supportive, as there is no specific treatment for the infection.
C) The client should be placed on droplet precautions.
D) A specific vaccine is available to prevent the infection.
E) A single dose of IV penicillin G is the standard of care.
Correct Answer: B) Management is supportive, as there is no specific treatment for the
infection.
Rationale: There is no specific antiviral medication or vaccine for West Nile virus. Treatment is
supportive, focusing on managing symptoms such as fever and pain, and providing IV fluids
and respiratory support for severe cases.
Question 2
Which term describes the time interval after a primary infection when a microorganism lives
within the host without producing clinical evidence of disease?
A) Incubation
B) Latency
C) Colonization
D) Convalescence
E) Prodromal period
Correct Answer: B) Latency
Rationale: Latency is a phase in certain viral infections (like herpesviruses) where the virus is
present in the body but exists in a dormant or resting state, not actively replicating or causing
symptoms.
,Question 3
The parent of a child diagnosed with chickenpox asks when the child can return to playgroup.
What is the best response by the nurse?
A) "As soon as the fever is gone for 24 hours."
B) "After all the vesicles and pustules have crusted over."
C) "One week after the rash first appeared."
D) "When the child feels well enough to play."
E) "The child must stay home for 21 days."
Correct Answer: B) "After all the vesicles and pustules have crusted over."
Rationale: A person with chickenpox (varicella) is contagious from 1-2 days before the rash
appears until all the lesions have formed crusts (scabs). Once all lesions are crusted, the child
is no longer considered infectious.
Question 4
The family of a client with shingles (herpes zoster) asks if their teenage children should stay in a
different room. What is the nurse's best response?
A) "Yes, shingles is highly contagious through the air."
B) "No, it is not contagious to anyone."
C) "Have they had chickenpox or the varicella vaccine?"
D) "Only if they are immunocompromised."
E) "They only need to stay away if your parent is running a fever."
Correct Answer: C) "Have they had chickenpox or the varicella vaccine?"
Rationale: Shingles is caused by the reactivation of the varicella-zoster virus. A person cannot
"catch" shingles, but a person who has never had chickenpox or the vaccine can contract
chickenpox from direct contact with the fluid from shingles blisters. Therefore, the teenagers'
immune status to varicella is the key factor.
Question 5
A patient is admitted with severe dehydration related to diarrhea after drinking from a
mountain stream while camping. The nurse knows the most likely cause is:
,A) Escherichia coli
B) Norovirus
C) Shigella
D) Giardia lamblia
E) Clostridium difficile
Correct Answer: D) Giardia lamblia
Rationale: Giardia is a protozoan parasite commonly found in contaminated water sources like
lakes, streams, and rivers. Ingesting this contaminated water is a frequent cause of "hiker's
diarrhea" or giardiasis, which is characterized by profuse, watery diarrhea.
Question 6
Which of the following clinical manifestations are consistent with a diagnosis of primary
syphilis? (Select all that apply)
A) It occurs 2 to 3 weeks after initial inoculation with the organism.
B) A painless lesion (chancre) forms at the site of infection.
C) The lesion typically resolves spontaneously within 2 months.
D) A diffuse rash appears on the palms and soles.
E) The client experiences fever, malaise, and generalized lymphadenopathy.
Correct Answer: A) It occurs 2 to 3 weeks after initial inoculation with the organism., B) A
painless lesion (chancre) forms at the site of infection., C) The lesion typically resolves
spontaneously within 2 months.
Rationale: Primary syphilis is characterized by the appearance of a single, painless chancre at
the site of inoculation, typically 2-3 weeks after exposure. This chancre is highly infectious but
will heal on its own, even without treatment, within a few weeks to two months.
Question 7
A nurse practitioner is educating college students that C. trachomatis and N. gonorrhoeae are
the two most common bacterial STIs in young women. The most common finding for these
infections is:
A) Painless genital ulcers.
, B) A diffuse rash on the palms and soles.
C) Mucopurulent cervicitis.
D) High fever and pelvic pain.
E) They are usually asymptomatic.
Correct Answer: C) Mucopurulent cervicitis.
Rationale: While many infections are asymptomatic, when symptoms are present, both
Chlamydia and Gonorrhea commonly cause cervicitis, which is an inflammation of the cervix
that can produce a mucopurulent (mucus and pus) discharge.
Question 8
When teaching about bacterial vaginosis (BV), the nurse educator is correct when stating the
overgrowth of which bacteria is responsible for this condition?
A) Neisseria gonorrhoeae
B) Chlamydia trachomatis
C) Gardnerella vaginalis
D) Treponema pallidum
E) Candida albicans
Correct Answer: C) Gardnerella vaginalis
Rationale: Bacterial vaginosis is not a true infection but a dysbiosis, an imbalance of the
normal vaginal flora. It is characterized by a decrease in beneficial lactobacilli and an
overgrowth of anaerobic bacteria, most notably Gardnerella vaginalis.
Question 9
The nurse recognizes which groups of people are at an increased risk for infection? (Select all
that apply)
A) Debilitated clients
B) Older adults
C) Clients with impaired skin integrity
D) Healthy young adults
E) Clients with a history of immunizations