Maryville University NURS 623 Exam 1 Study
Questions and Answers with Complete Solutions
2024
Mode of transmission for parasitic skin infections -Correct Answer ✔Close direct skin
contact.
Clinical presentation for Scabies -Correct Answer ✔Intense itching, worse at night.
Burrows noted between webs of fingers.
Commonly prescribed medications for Scabies -Correct Answer ✔Permethrin Cream
5% (Elimite) is the first-line treatment. Safe in 2 months and older. Apply to all areas
from neck down and leave on for 8-12 hours. Repeat application in 1 week. May repeat
a third time in another week. Follow up in 1 week.
Antihistamines and topical steroids if the pruritis is bad.
What should you include in the patient education to prevent spreading of the various
parasitic skin problems? -Correct Answer ✔Avoid close contact. Wash all bedding,
clothing, cloth items, and stuffed animals in hot water. All close contacts family
members, people you live with and sexual partners need to be treated as well.
Which bacterial skin infection is considered highly contagious? -Correct Answer
✔Impetigo
What is the "classic" presentation of impetigo? -Correct Answer ✔Honey crusted lesions
What is the management of a minor case of folliculitis (non-pharmacologic)? -Correct
Answer ✔Gentle cleansing by washing the skin twice a day with antibacterial soap.
What are the commonly prescribed medications for folliculitis? -Correct Answer
✔Mupirocin (Bactroban) 2% ointment or cream, TID, 5-14 days, for secondarily infected
skin lesions.
Mupirocin (Bactroban) twice daily for 5 days in the nose for people with recurrent
folliculitis to clear the colonization of S. Aureus.
Furuncles -Correct Answer ✔Initially appear small (0.5-1 cm), red, tender, indurated
nodule. As it grows it develops a central yellow plug. They eventually rupture
spontaneously. Fluctuant or larger furuncles should be treated with I&D and covered
with a simple dry sterile dressing. Patients should be instructed to use warm
compresses twice daily to encourage drainage of pus.
Carbuncles -Correct Answer ✔Initially appear as multiple furuncles and develops into a
large, erythematous lump and must be drained before healing will take place and this
NURS 623 Exam 1
, NURS 623 Exam 1
typically occurs spontaneously within 2 weeks. Carbuncles frequently require I&D and
need systemic antibiotics and a referral. Antibiotics include: TMP-SMX (MRSA
converage), dicloxacillin, cephalexin, or doxycycline.
A gram stain is recommended to check for MRSA strains.
What are the considerations when determining treatment for cellulitis? -Correct Answer
✔Severe infections, infections around the eyes, or systemic involvement (fever & chills),
immunocompromised should be sent to the ED for inpatient IV treatment.
Mild cases can be treated with PO antibiotics that should show improvement within 48-
72 hours. Penicillin VK, dicloxacillin, clindamycin, or cephalexin for 5 days.
Infected human & animal bites need to be treated with amoxicillin-clavulanic acid
(Augmentin) for 2 weeks. Prophylaxis treatment for human & animal bites (within 6
hours) amoxicillin-clavulanic acid (Augmentin) for 3-5 days.
HSV -Correct Answer ✔grouped vesicles on an erythematous base, followed by ulcers
or erosions that crust over with honey color. Lesions typically heal in 7-10 days. Mouth,
face, or genitals.
Diagnostic tests for HSV -Correct Answer ✔Viral Culture Gold Standard & PCR tests
are standard for diagnosis. Vesicle fluid can be cultured with 72 hours of outbreak.
Tzanck smear. HIV testing is advisable in HSV-2 patients.
Herpetic keratoconjunctivitis -Correct Answer ✔requires immediate referral to an
ophthalmologist.
HSV-2 Genital lesion treatment -Correct Answer ✔Treated with oral antivirals
Valacyclovir or famciclovir. Warm compresses and oatmeal sitz baths can help promote
comfort and healing. Urinate into a warm bath. Increase fluid intake and rest.
HSV-1 oral lesion treatment -Correct Answer ✔Acetaminophen to control pain. Ice or lip
ointments like Blistex. OTC docosanol (abreva) 10% cream applied 5 times a day. For
more extensive lesions, penciclovir (Denavir) 1% cream applied every 2 hours while
awake. Extensive oral lesions may require lidocaine, and acyclovier oral suspension
200mg/5mL, rinse mouth with 1 teaspoon and swallow five times a day.
HSV Patient education -Correct Answer ✔Begin antiviral at the first sign of tingling or
burning.
No sharing of towels, silverware, or glasses. Wash hands frequently.
Avoid sex until lesions are healed, Use condoms every time to avoid viral spread.
Which dermatitis is an inherited skin reaction that begins in infancy -Correct Answer
✔Atopic dermatitis
What is the "atopic triad?" -Correct Answer ✔Atopic eczema, asthma, and allergies
NURS 623 Exam 1