Maryville NURS 623 Exam 1 (2025) Questions And Answers With Verified Solutions 100% Correct!!!

Maryville NURS 623 Exam 1 (2025)
Questions And Answers With Verified
Solutions 100% Correct!!!
Scabies
What is scabies?
Answer: A highly contagious mite infestation.

Risk factors for scabies:
 Overcrowding
 Conditions of poverty
 Poor hygiene
 Malnutrition


Mode of transmission:
 Close personal contact


Subjective symptoms of scabies:
 Intense itching, worse at night, often resistant to treatment
 Some individuals may have a rash, while others do not
 Children may be irritable with feeding changes
 Close contacts may have similar symptoms


Common areas of scabies infection:
 Webs of fingers
 Wrists
 Axillary folds
 Periumbilical region
 Pelvic girdle
 Penis
 Ankles


Objective symptoms of scabies:
 Early sign: Small (1-2 mm) red papules
 Excoriation from itching, crusting, scaling
 Intraepidermal burrows, lichenification

,  Burrows appear white with black specks

Diagnostic tests for scabies:
 Burrow Ink Test: Excess ink accumulates in mite tunnels
 Burrow scraping


Management of scabies:
 Treat the entire household
 First-line treatment: Permethrin 5% cream (apply, leave for 8-12 hours,
rinse off, repeat in 1 week)
 Alternative treatment: Ivermectin 200 mcg/kg (single dose, repeat in 1-2
weeks, used with topical treatment)
 Antihistamines and topical steroids (Triamcinolone 0.1% BID x 7 days) for
itching
 If bacterial infection is present, use Dicloxacillin or Cephalexin (7-10 days)


Follow-up for scabies:
 1 week after initial treatment
 Dermatology referral if persistent nodules or crusted scabies (Scabies
Crustosa)

Patient education for scabies:
 Trim fingernails to prevent re-infestation
 Do not exceed recommended exposure time for creams
 Itching can persist for up to 1 week after treatment
 Wash bed sheets and clothing in hot soapy water


Lice (Pediculosis)
Risk factors for lice:
 School-age children
 Homeless individuals, crowded living conditions


Mode of transmission:
 Close personal contact


Subjective symptoms of lice:
 Intense itching, especially in affected areas

,  Worse at night
 Children may be restless, irritable, or have difficulty concentrating

Objective findings of lice:
 Small (2-3 mm) red macules or papules causing itchiness
 Some patients may have a hive-like reaction
 Excoriation on the scalp from itching
 Nits (lice eggs) attached to hair shafts
 Adult lice: 6-legged, wingless insects


Management of lice:
 Treat both the patient and close contacts
 Common treatments:
o Shampoo/creams/rinses containing benzyl alcohol, ivermectin,
permethrin, spinosad
o Manual delousing and nit removal using a fine-toothed comb
o Home remedies: Petroleum jelly, tea tree oil, mayo, or olive oil left
overnight with a shower cap
o If bacterial infection is present, use Dicloxacillin or Cephalexin (7-
10 days)

Follow-up for lice:
 Uncomplicated cases do not require follow-up
 If symptoms persist, follow up in 1 week


Patient education for lice:
 Do not share hats, combs, scarves, towels, or bedding
 Wash combs/brushes in hot, soapy water and air dry
 When using lice shampoo:
o Do not exceed exposure time
o Rinse over the sink (not in the shower)
 Itching may persist for up to 1 week
 No need to treat pets
 Wash bed linens and clothing in hot, soapy water and dry on high heat
 Vacuum carpets and upholstery
 Children can return to school after treatment, but should be screened weekly
Risk factors for candidiasis - ANSWER✔✔-Any age/gender