&DIAGNOSTIC REASONING FINAL EXAM 2024/2025
QUESTIONS AND VERIFIED CORRECT ANSWERS/ ALREADY
GRADED A++
Which layer of epidermis is mostly found in the skin on hands and feet?
A) Stratum corneum
B) Stratum lucidum
C) Stratum granulosum
D) Stratum germinativum - ANSWER B
Most hair follicles originate in which level of the skin?
A) Epidermis
B) Subcutaneous layer
C) Adipose layer
D) Dermis - ANSWER D
A patient's chart mentions that their particular skin ailment is "confluent."
What does this describe?
A) Morphology
B) Structure
C) Distribution
D) Turgor - ANSWER C
A patient presents with red papules and areas of plaque on her skin and
irregular formations of
exfoliated, keratinized cells. What is the most likely ailment?
A) Psoriasis
B) Eczema
C) Acne
D) Discoid lupus - ANSWER A
The physician has determined that plaque on a patient's skin is less likely
granuloma annulare and more likely a dermatophyte. How did she make
this determination?
A) Noticed the red papules
B) Tested the apocrine secretions
C) Scraped the skin with a #15 blade
D) Pared the surface - ANSWER C
, An area of the patient's arm has very smooth skin and lacks any apparent
superficial features. This is likely what?
A) Psoriasis
B) Hypokeratinization
C) A scar
D) A skin tag - ANSWER C
A patient with greasy, adherent scales on coalescing macules along the
brow and scalp most likely has what form of dermatitis?
A) Allergic contact
B) Seborrheic
C) Stasis
D) Atopic - ANSWER B
Which of the following typically appears on the head or face ?
A) Verruca
B) Dermatofibroma
C) Actinic keratosis
D) Neurofibroma - ANSWER D
Which of the following is a premalignant disease?
A) Actinic keratosis
B) Paget's disease
C) Lipoma
D) Granuloma annulare - ANSWER A
The physician has used the Wood's light exam to look more closely at a
patient's skin. What did this tell the physician?
A) Whether the disease is M. canis or M. distortum
B) The exact pathology of a skin finding
C) Whether the disease was contact-related or internal
D) Whether the disorder lies in the epidermis or dermis - ANSWER D
Which of the following is the least common pruritic condition of pregnancy?
A) PUPP
B) Pemphigoid gestationis
C) Prurigo gravidarum
D) ICP - ANSWER B
, A patient is suspected to have allergic or contact dermatitis. Which of the
following diagnostic tests should be used?
A) Patch testing
B) Biopsy
C) Serum total IgE
D) KOH scraping - ANSWER C
True or False? Eccrine glands originate in the dermis and open directly to
the surface of the skin. - ANSWER True
True or False? "Histologic evaluation" is another term for biopsy. -
ANSWER True
True or False? Keratinization is an inherited skin disorder linked to the
father's side of the family. - ANSWER False
True or False? Hirsutism is a medical condition related to females rather
than males. - ANSWER True
True or False? Seborrheic keratosis, moles, and hemangiomas can
generally appear anywhere on a person's body. - ANSWER False
True or False? Shave biopsies, punch biopsies, and excisional biopsies
require suturing for closure. - ANSWER False
What is the mnemonic for evaluating pigmented lesions through surface
microscopy, and what do the letters stand for? - ANSWER ABCDE:
Asymmetry, border irregularity, color variegation, diameter > 6 mm, and
elevation/enlargement
The text lists five general varieties of common skin conditions in pediatric
patients. Name them and give an example. - ANSWER Bacterial infections;
viral infections; superficial fungal infections; infestations; and chronic
relapsing conditions. (Examples will vary.)
Which of the following is true of aqueous humor?
A) It fills the anterior chamber while the fetus is developing and remains
unchanged throughout a person's life.
B) It is a clear liquid that is found between the lens and retina.
C) It receives nutrients from the vitreous humor.
, D) It is continuously produced by the ciliary body. - ANSWER D
What causes benign floaters?
A) Bits of vitreous tugging on retinal tissue
B) Retinal trauma
C) Unbalanced intraocular pressure
D) Damaged optic nerve - ANSWER A
Which of the following is true of the optic disc?
A) It contains the fovea and macula.
B) It lacks retinal receptors.
C) It is protected by the cornea.
D) It is the only part of the internal eye with nerve fibers. - ANSWER B
A healthcare provider asks a patient whether or not he or she wears
contact lenses. This is part of which section of the patient's health history?
A) Past medical history
B) Chief complaint
C) Social history
D) Family history - ANSWER A
Why is asking about tobacco use important as part of a social history?
A) Smoke can scar the cornea.
B) The chemicals in tobacco smoke can cloud the vitreous humor.
C) Cigarette use is associated with the appearance and frequency of
floaters.
D) Long-term tobacco use causes predictable vascular changes in the
fundus. - ANSWER D
A farmer working in wind-blown fields is most susceptible to what ailment?
A) Viral conjunctivitis
B) Pterygium
C) Myasthenia gravis
D) Proptosis - ANSWER B
Presbyopia is a failure of the eye to accommodate what?
A) Bright light
B) Very near vision
C) Distant vision
D) Subtle color shifts - ANSWER B