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Pathophysiology NUR 521 Exam 3 2024/2025 Questions With Completed & Verified Solution.
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Pathophysiology NUR 521 Exam 3 2024/2025 Questions With Completed & Verified Solution.
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Pathophysiology NUR 521 Exam 3Which component of the epidermis initiates immune responses and provides a defense against
environmental antigens? - ANS Langerhans cells
Which cells of the dermis release histamine and play a role in the hypersensitivity reactions of
the skin? - ANS Mast cells
Which cells of the dermis secrete connective tissue matrix? - ANS Fibroblasts
Which gland releases secretions that are important in thermoregulation and cooling of the body
through evaporation? - ANS Eccrine
Which receptors of the sympathetic nervous system regulate heat loss through the skin? - ANS
α-Adrenergic
Which type of dressings should the healthcare professional apply to pressure ulcers? - ANS
Flat, moisture-retaining
Keloids are caused by excessive amounts of which substance in the corneum during connective
tissue repair? - ANS Collagen
In allergic contact dermatitis, which cells possess the antigens and present them to T cells? -
ANS Langerhan cells
In latex allergies, which immunoglobulin (Ig) is associated with an immediate reaction? - ANS
IgE
A healthcare professional assesses a patient who presents with a single lesion on the trunk that
is circular, demarcated, and salmon pink. The lesion measures approximately 3 to 4 cm in
diameter. What treatment option does the professional educate the patient about? - ANS Oral
erythromycin regime
Cutaneous vasculitis develops from the deposit of which substance? - ANS Immune complexes
The student learns that which skin lesion is mediated by the immunoglobulin E (IgE)-stimulated
release of histamine, bradykinin, or kallikrein from mast cells? - ANS Uticaria
,A patient with scleroderma asks the healthcare professional how this condition was acquired.
What response is best? - ANS Auto antibodies
A healthcare professional assesses a patient who has elevated lesions on the face that are
waxy and yellowish. What condition does the professional discuss with the patient? - ANS
Seborrheic keratosis
Lesions that usually have depressed centers with rolled borders and are frequently located on
the face and neck characterize which malignancy? - ANS Basal cell carcinoma
The student learns that alteration of which gene is associated with basal cell carcinoma? - ANS
TP53
Bowen disease is a form of which type of cancer? - ANS Squamous cell carcinoma
A patient has an intradermal nevus. What assessment does the healthcare professional know is
consistent with this lesion? - ANS Regular edges with bristle-like hairs
Which cell is thought to be the progenitor cell of Kaposi sarcoma? - ANS Endothelial
A patient is brought to the Emergency Department with cold, white, waxy fingers and toes. The
patient denies pain. Which intervention does the healthcare professional provide as the priority?
- ANS Immersing in warm water
A patient was hospitalized with frostbite and is receiving ibuprofen. The patient asks the
healthcare professional to explain the rationale for the drug. What is the best response? - ANS
Inhibiting prostaglandins
A patient has an onychomycosis. Where would the healthcare professional assess this
disorder? - ANS Fingernail
A patient has a furuncle. Where would the healthcare professional assess the patient for this
condition? - ANS Hair follicles
What effects does normal aging have on the wound healing process? - ANS Decreased cell
proliferation
Decreased blood supply
Depressed immune responses
Which information does the student learn about a nevus? - ANS A nevus is an aggregation of
melanocytes.
Nevi begin to form at the ages of 3 to 5 years.
Nevi share a relationship with melanoma.
, What information does the student learn about Kaposi sarcoma? - ANS Kaposi sarcoma is a
vascular malignancy.
It is associated with drug-induced immunosuppression.
Kaposi sarcoma is associated with acquired immunodeficiency syndrome (AIDS).
A patient has psoriasis. Which drug classifications does the healthcare professional advise the
patient to avoid if possible? - ANS Beta Blockers
Which inflammatory mediators are active in frostbite? - ANS Histamine
Prostaglandins
Bradykinin
A woman has developed hirsutism. What conditions should the healthcare professional assess
her for? (Select all that apply.) - ANS Adrenal hyperplasia
Polycystic ovaries
Which immunoglobulin (Ig) is elevated in atopic dermatitis? - ANS IgE
Which leukocytes are elevated in atopic dermatitis? - ANS Eosinophils
The disruption in cellular adhesion observed in bullous impetigo is caused by an exfoliative toxin
related to which organism? - ANS Staphylococcus aureus
A parent of a child in a crowded daycare is worried about the staff passing on a bacterial
infection to the child. Which infection would be most likely? - ANS Impetigo
A parent reports a child has skin lesions that rupture, creating a thin, flat, honey-colored crust.
What treatment does the healthcare professional educate the parent about? - ANS Topical
mupirocin
Parents do not want the child to contract tinea corporis. Which animal would they limit the child's
exposure to? - ANS Kittens
The student learns that the cause of molluscum contagiosum is which of these? - ANS Viral
A child has white plaque in the mouth with a few shallow ulcers. What treatment does the
healthcare professional educate the parent about? - ANS Nystatin oral suspension
The healthcare professional is teaching a group of new parents about childhood diseases. What
does the professional tell them the incubation period for rubella is? - ANS 14-21 days
Rubella (German or 3-day measles) is caused by what type of organism? - ANS Virus
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