Dermatology Flashcards
A benign dome-shaped growth with small dots on the surface of a finger is most likely?
Verruca vulgaris
Which of the following is true of Lyme disease?
Lyme disease is caused by the spirochete Borrelia burgdorferi
Acanthosis nigricans is mostly likely to occur on the:
Axillae
A thick white substance composed of sebum and desquamated epithelial cells on the skin of a premature infant is:
vernix
A chronic, pruritic inflammatory skin disorder characterized by elevated lesions with well-defined boundaries and a silvery-white scale is most likely:
psoriasis
Subungual onychomycosis is the most common form of onychomycosis, and it is caused by:
Trichophyton rubrum
A 6-year-old boy presents with a red facial rash that has a slapped-cheek appearance. This is likely an illness caused by:
Parvovirus B19
Diaper dermatitis is:
A type of irritant contact dermatitis
Which enzyme is responsible for the invasion of fungus under the skin of a patient with tinea pedis?
Keratinase
Seborrheic dermatitis produces papules and scales on sebum-rich areas of the skin. Sebum is produced by:
Sebaceous glands
A self-limited, painful dermatomal rash is most likely:
Shingles
The destruction of epithelial cells that causes target-shaped lesions as a result of a hypersensitivity reaction to certain infections and drugs is known as:
Erytheme multiforme
Impetigo may be classified as bullous or nonbullous. Bullous impetigo is described as:
A fluid-filled lesion
Which one of the following statements about impetigo is NOT true?
Impetigo will heal in 2-3 days, even without treatment
Cutaneous xanthomas develop due to:
Elevated lipoproteins
Which type of burn is described as blistering, does not blanch with pressure, and is variable in color?
Deep partial-thickness burn
Postherpetic neuralgia is:
Persistent pain for more than 30 days after all shingles lesions have crusted
Why is it important to reduce heat loss and provide appropriate nutritional support to a patient with burns on more than 40% of the body?
To decrease the resting metabolic
Which statement about onychomycosis is NOT true?
Topical treatments are generally sufficient to cure onychomycosis
Which virus predisposes patients to shingles?
Varicella zoster virus
An annular lesion that has central clearing with an enlarging border is:
Tinea corporis
A benign viral infection that results in multiple rounded, dome-shaped papules is most likely:
Molluscum contagiosum
A burn that is mottled, red, and does not blanch is likely a:
Deep partial thickness burn
Human herpes virus 3 causes
Chickenpox
A premalignant lesion that is associated with a buildup of excess keratin and is usually less than 1 cm in diameter is known as:
Actinic keratosis
The primary plaque that appears on the trunk of the body prior to the development of a christmas tree-patterned rash is called a:
Herald patch
A superficial dermatophytosis that attcks hair shafts on the scalp, eyebrows, and eyelashes is known as:
Tinea capitis
Which one of the following is a medication-triggered condition that presents with persistent fever, mucous membrane involvement, and epidermal sloughing?
Stevens-Johnson syndrome
A neoplasm that arises from cutaneous appendages and is often mistaken for basal cell carcinoma is known as:
Adnexal tumor
Hand, foot and mouth disease is most commonly caused by:
Coxsackievirus
Which of the following statements about shingles is true?
Older, immunocompromised, and pregnant patients should avoid contact with anyone who has shingles
The presence of nymphs and nits on the scalp are indication of:
Pediculus
Which one of the following is NOT a result of infection with enterovirus?
Epstein Barr virus
Which of the following is a not a form of dermatophytosis?
Paronychia
A comorbid condition that is NOT typically associated with alopecia areata is:
Seborrheic dermatitis
The antigen-induced development of pruritic edematous circular plaques is known as:
Urticaria
Which of the following statements is NOT true about freckles (ephelides)?
Freckles are considered a precancerous skin condition
An acute round, tender nodule that becomes a pustule or perifollicular abscess with a single drainage point is called:
Furunculosis
A skin disorder that presents with both papules and scales on any hair-bearing area of the body is:
Seborrheic dermatitis
Pain, swelling and redness around the base or the sides of the nail is known as:
Paronychia
A child with tinea capitis may be cleared to return to school:
After treatment is initiated
Which one of the following conditions is common, characterized by the presence of pruritic papules, macules, and vesicles in various stages of healing?
Varicella zoster
Which one of the following is the likely diagnosis in a 9-month-old baby who presents with a high fever followed by a morbilliform rash that begins centrally and spread peripherally?
Roseola
A disease characterized by vesicular lesions on the mouth, an exanthem on the hands and feet, and fever, is known as:
Hand, foot and mouth disease
Mongolian spots are:
A collection of melanocytes in the deeper layers of the skin
A rash that begins as a large circular or oval spot on the trunk of the body, then takes on a christmas tree-like pattern is most likely:
Pityriasis rosea
The most common cause of vitiligo is:
Autoimmunity
The life span of lice is approximately:
30 days
A benign epidermal tumor that is well-demarcated, coin-like, pigmented lesion with a “stuck-on” appearance is known as a:
Seborrheic keratosis
In addition to pain, a patient with shingles may commonly experience:
Motor weakness
Which of the following is NOT a type of human louse?
Haematopinus
Which of the following is a condition closely related to urticaria and causes a deeper edema of the dermis and subcutaneous fat?
Angioedema
Characteristic features of fifth disease do NOT include?
A rash in the prodromal period
Fifth disease is spread via
Respiratory droplets
Which one of the following is an accumulation of edema within the intercellular spaces of the epideermis that results in red papulovesicular lesions that ooze and crust?
Eczematous dermatitis
A factor that does not typically contribute to the development of vei is:
Sex
An intensely pruritic skin infestation is most likely caused by the mite:
Sarcoptes scabiei
Fungal infection of the skin is NOT caused by:
Burrowing of mites
Cells within the epidermis that are primarily responsible for protecting the skin from ultraviolet rays in sunlight are:
Melanocytes
A soft, flesh-colored, bag-like tumor attached to the skin surface by a stalk is known as a:
Fibroepithelial polyp
A condition in which hair loss occurs in round patches on the scalp is called
Alopecia
The most immediate concern in a patient with a third-degree burn on more than 20% of the body surface is:
Hypovolemic shock
Which one of the following cell types is located in the lower part of the epidermis and is responsible for forming new cells to replace squamous cells?
Basal cell
Squamous cell carcinoma is:
An uncontrolled growth of abnormal cells arising from the squamous cells in the epidermis
Hand, foot and mouth disease is most commonly transmitted via:
Contact with oral, fecal, or respiratory secretions
The most common tumor arising on sun-exposed sites in older adults is:
Basal cell carcinoma
Which enzyme is responsible for the invasion of fungus under the skin of a patient with tinea pedis?
Keratinase
Subungual onychomycosis is the most common form of onychomycosis, and it is caused by:
Trichophyton rubrum
