NR 511 WEEK 3 QUIZ Differential Diagnosis and Primary Care Practicum Verified 100% A+
Question 1
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Question 2
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A 27-year-old female
... [Show More] comes in to your primary care office complaining of a perioral
rash. The patient noticed burning around her lips a couple days ago that quickly went
away. She awoke from sleep yesterday and noticed a group of vesicles with
erythematous bases where the burning had been before. There is no burning today. She
is afebrile and has no difficulty eating or swallowing. What test would confirm her
diagnosis?
Potassium hydroxide (KOH) prep.
Tzanck smear.
Sterile culture sent for aerobic and anaerobic bacteria.
Exam under a Wood lamp.
This would show giant cells consistent with herpes simplex virus. KOH and wood's lamp
are used to diagnose fungal infections. Cultures can be sent to diagnose bacterial
infections but it will not detect HSV.
A rash that looks like the patient was slapped on the cheeks of the face is the hallmark
characteristic for which disease?
Rubeola.
Rubella.
Question 3
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Erythema infectiosum (fifth disease).
Rocky Mountain spotted fever.
Erythema infectiosum (fifth disease) usually starts on the cheeks and spreads to the
arms and trunk.
A 3-year-old patient presents to your pediatric office with her mother. She has recently
started in day care. Her mother noted slight perioral erythema on the right side of the
patient’s mouth last night before bed. The patient awoke today with 3 small, superficial,
honey-colored vesicles where the erythema was last night. The patient has no
surrounding erythema presently. She had no difficulty eating this morning and is active
and energetic and doesn’t appear lethargic or fatigued. She is also afebrile. How would
you treat this child?
Local debridement and topical compress with Burow solution and close follow-up.
Correct Answer
Local debridement and mupirocin for 5 days.
Oral Keflex for 7 days.
Topical compress with Burow solution and follow-up in 2 to 3 days.
This is the treatment of choice for impetigo.
Question 4
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Question 5
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A 20-year-old male presents to your office in the summer complaining of chest
discoloration. He is a lifeguard and has been out in the sun without a shirt on for long
periods of time. His physical exam shows small, flat, circular, hypopigmented macules
on his chest that he states are mildly pruritic. What is the treatment of choice for this
diagnosis?
Ketoconazole shampoo.
Oral fluconazole.
Hydrocortisone cream 1%.
Correct Answer
Selenium sulfide shampoo.
Selenium sulfide shampoo is the treatment of choice for tinea versicolor. Ketaconozole
is not the treatment for tinea versicolor but it can be used for recurrence prevention in
resolved cases. Oral fluconazole is only the treatment in severe cases that are resistant
to topical treatments.
A 25-year-old male presents with “bleeding in my eye” for 1 day. He awoke this morning
with a dark area of redness in his eye. He has no visual loss or changes. He denies
constitutional symptoms, pruritus, drainage, or recent trauma. The redness presents on
physical exam as a dark red area in the patient’s sclera of the right eye only and takes
up less than 50% of the eye. The patient’s remaining sclera is clear and white. He also
notes he was drinking alcohol last night and vomited afterward. What is the best
treatment? [Show Less]