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Pathophysiology NUR 521 Exam 3 Questions with 100%
Verified Answers UPDATED!!!
Which component of the epidermis initiates immune responses
and provides a defense against environmental antigens? -
ANSWER Langerhans cells
Which cells of the dermis release histamine and play a role in
the hypersensitivity reactions of the skin? - ANSWER Mast cells
Which cells of the dermis secrete connective tissue matrix? -
ANSWER Fibroblasts
Which gland releases secretions that are important in
thermoregulation and cooling of the body through
evaporation? - ANSWER Eccrine
Which receptors of the sympathetic nervous system regulate
heat loss through the skin? - ANSWER α-Adrenergic
Which type of dressings should the healthcare professional
apply to pressure ulcers? - ANSWER Flat, moisture-retaining
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Keloids are caused by excessive amounts of which substance in
the corneum during connective tissue repair? - ANSWER
Collagen
In allergic contact dermatitis, which cells possess the antigens
and present them to T cells? - ANSWER Langerhan cells
In latex allergies, which immunoglobulin (Ig) is associated with
an immediate reaction? - ANSWER 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? - ANSWER Oral erythromycin regime
Cutaneous vasculitis develops from the deposit of which
substance? - ANSWER Immune complexes
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The student learns that which skin lesion is mediated by the
immunoglobulin E (IgE)-stimulated release of histamine,
bradykinin, or kallikrein from mast cells? - ANSWER Uticaria
A patient with scleroderma asks the healthcare professional
how this condition was acquired. What response is best? -
ANSWER 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? - ANSWER
Seborrheic keratosis
Lesions that usually have depressed centers with rolled borders
and are frequently located on the face and neck characterize
which malignancy? - ANSWER Basal cell carcinoma
The student learns that alteration of which gene is associated
with basal cell carcinoma? - ANSWER TP53
Bowen disease is a form of which type of cancer? - ANSWER
Squamous cell carcinoma
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A patient has an intradermal nevus. What assessment does the
healthcare professional know is consistent with this lesion? -
ANSWER Regular edges with bristle-like hairs
Which cell is thought to be the progenitor cell of Kaposi
sarcoma? - ANSWER 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? - ANSWER 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? -
ANSWER Inhibiting prostaglandins
A patient has an onychomycosis. Where would the healthcare
professional assess this disorder? - ANSWER Fingernail
Pathophysiology NUR 521 Exam 3 Questions with 100%
Verified Answers UPDATED!!!
Which component of the epidermis initiates immune responses
and provides a defense against environmental antigens? -
ANSWER Langerhans cells
Which cells of the dermis release histamine and play a role in
the hypersensitivity reactions of the skin? - ANSWER Mast cells
Which cells of the dermis secrete connective tissue matrix? -
ANSWER Fibroblasts
Which gland releases secretions that are important in
thermoregulation and cooling of the body through
evaporation? - ANSWER Eccrine
Which receptors of the sympathetic nervous system regulate
heat loss through the skin? - ANSWER α-Adrenergic
Which type of dressings should the healthcare professional
apply to pressure ulcers? - ANSWER Flat, moisture-retaining
, Page |2
Keloids are caused by excessive amounts of which substance in
the corneum during connective tissue repair? - ANSWER
Collagen
In allergic contact dermatitis, which cells possess the antigens
and present them to T cells? - ANSWER Langerhan cells
In latex allergies, which immunoglobulin (Ig) is associated with
an immediate reaction? - ANSWER 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? - ANSWER Oral erythromycin regime
Cutaneous vasculitis develops from the deposit of which
substance? - ANSWER Immune complexes
, Page |3
The student learns that which skin lesion is mediated by the
immunoglobulin E (IgE)-stimulated release of histamine,
bradykinin, or kallikrein from mast cells? - ANSWER Uticaria
A patient with scleroderma asks the healthcare professional
how this condition was acquired. What response is best? -
ANSWER 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? - ANSWER
Seborrheic keratosis
Lesions that usually have depressed centers with rolled borders
and are frequently located on the face and neck characterize
which malignancy? - ANSWER Basal cell carcinoma
The student learns that alteration of which gene is associated
with basal cell carcinoma? - ANSWER TP53
Bowen disease is a form of which type of cancer? - ANSWER
Squamous cell carcinoma
, Page |4
A patient has an intradermal nevus. What assessment does the
healthcare professional know is consistent with this lesion? -
ANSWER Regular edges with bristle-like hairs
Which cell is thought to be the progenitor cell of Kaposi
sarcoma? - ANSWER 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? - ANSWER 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? -
ANSWER Inhibiting prostaglandins
A patient has an onychomycosis. Where would the healthcare
professional assess this disorder? - ANSWER Fingernail
