MCQs on Dermatology for Competitive Exam

Here are some MCQs which are given for competitive exams like UPSC, AIAPGET. This MCQs are for practice purpose. Before reading these MCQs please also read Anatomy and Physiology of skin and Dermatology Notes Part 1

Which is the outermost layer of the skin?

a) Epidermis

b) Dermis

c) Subcutaneous tissue

d) Papillary layer

Answer: a)  Epidermis

Which layer of the epidermis is responsible for waterproofing the skin?

a) Stratum Basale

b) Stratum Corneum

c) Stratum Granulosum

d) Stratum Lucidum

Answer: b) Stratum Corneum

What is the primary function of the subcutaneous tissue?

a) To protect the skin from mechanical injury

b) To anchor the skin to underlying bone and muscle

c) To regulate body temperature

d) To produce sweat and sebum

Answer: b) To anchor the skin to underlying bone and muscle

Which type of gland produces sweat?

a) Sebaceous gland

b) Apocrine gland

c) Eccrine gland

d) Sudoriferous gland

Answer: d) Sudoriferous gland

Which layer of the dermis is responsible for providing the skin with elasticity?

a) Papillary layer

b) Reticular layer

c) Subcutaneous layer

d) Stratum Basale

Answer: b) Reticular layer

What is the primary function of melanocytes?

a) To produce sweat

b) To produce sebum

c) To produce keratin

d) To produce melanin

Answer: d) To produce melanin

Which type of nerve provides information about touch, pressure, temperature, and pain?

a) Sensory nerve

b) Motor nerve

c) Autonomic nerve

d) Sympathetic nerve

Answer:a) Sensory nerve

What is a primary skin lesion?

a) A lesion that is caused by an external factor

b) A lesion that is already present at birth

c) A lesion that develops as a result of an underlying condition

d) A lesion that develops in response to medication

Answer: c) A lesion that develops as a result of an underlying condition

Which of the following is not an example of a primary skin lesion?

a) Papule

b) Vesicle

c) Crust

d) Macule

Answer: c) Crust

Which of the following is a secondary skin lesion?

a) Wheal

b) Erosion

c) Bulla

d) Nodule

Answer: b) Erosion

Which of the following is not a secondary skin lesion?

a) Ulcer

b) Scar

c) Fissure

d) Petechiae

Answer: d) Petechiae

Which of the following is a characteristic of a secondary skin lesion?

a) It is present at birth

b) It is a result of an underlying condition

c) It is a direct result of an external factor

d) It is not a result of any underlying condition

Answer: b) It is a result of an underlying condition

Psoriasis is an autoimmune skin condition that is characterized by:

a) Scaly, silvery plaques on the skin

b) Pruritic vesicles on the skin

c) Smooth, red nodules on the skin

d) Raised, itchy papules on the skin

Answer: a) Scaly, silvery plaques on the skin

Which of the following is not a common location for psoriasis to develop?

a) Scalp

b) Elbows

c) Knees

d) Palms of the hands

Answer: d) Palms of the hands

The histological hallmark of psoriasis is:

a) Acanthosis

b) Hyperkeratosis

c) Munro microabscesses

d) All of the above

Answer: d) All of the above

The most common type of psoriasis is:

a) Plaque psoriasis

b) Guttate psoriasis

c) Pustular psoriasis

d) Erythrodermic psoriasis

Answer: a) Plaque psoriasis

Which of the following is a common trigger for psoriasis flares?

a) Stress

b) Sun exposure

c) Cold weather

d) All of the above

Answer: d) All of the above

Psoriatic arthritis is a complication of psoriasis that affects:

a) The skin

b) The joints

c) The lungs

d) The eyes

Answer: b) The joints

Which of the following is a first-line treatment for psoriasis?

a) Topical corticosteroids

b) Methotrexate

c) Cyclosporine

d) Adalimumab

Answer: a) Topical corticosteroids

The most common type of skin cancer is:

a) Melanoma

b) Basal cell carcinoma

c) Squamous cell carcinoma

d) Kaposi's sarcoma

Answer: b) Basal cell carcinoma

Which of the following is a risk factor for developing skin cancer?

a) Fair skin

b) Chronic sun exposure

c) A history of sunburns

d) All of the above

Answer: d) All of the above

Which of the following is not a characteristic of melanoma?

a) Asymmetry

b) Irregular borders

c) Uniform color

d) Diameter larger than 6mm

Answer: c) Uniform color

The ABCDE rule is a helpful mnemonic for identifying:

a) Basal cell carcinoma

b) Squamous cell carcinoma

c) Melanoma

d) Kaposi's sarcoma

Answer: c) Melanoma

Which of the following is a common location for basal cell carcinoma to develop?

a) Scalp

b) Face

c) Arms

d) Legs

Answer: b) Face

The majority of melanomas are caused by:

a) UV radiation

b) Genetic mutations

c) Infection

d) Hormonal changes

Answer: a) UV radiation

Which of the following is a treatment option for skin cancer?

a) Surgery

b) Radiation therapy

c) Chemotherapy

d) All of the above

Answer: d) All of the above

Which type of skin cancer has the highest risk of metastasis?

a) Basal cell carcinoma

b) Squamous cell carcinoma

c) Melanoma

d) Kaposi's sarcoma

Answer: c) Melanoma

Actinic keratosis is a precursor to which type of skin cancer?

a) Basal cell carcinoma

b) Squamous cell carcinoma

c) Melanoma

d) Kaposi's sarcoma

Answer: b) Squamous cell carcinoma

The most effective way to prevent skin cancer is:

a) Using sunscreen

b) Wearing protective clothing

c) Avoiding sun exposure during peak hours

d) All of the above

Answer: d) All of the above

Which of the following is not a type of blistering skin lesion?

a) Bulla

b) Pustule

c) Vesicle

d) Plaque

Answer: d) Plaque

Pemphigus vulgaris is an autoimmune condition that is characterized by:

a) Subepidermal blister formation

b) Epidermal blister formation

c) Acantholysis

d) Hyperkeratosis

Answer: c) Acantholysis

Bullous pemphigoid is an autoimmune condition that typically affects:

a) Infants and young children

b) Adolescents

c) Middle-aged and elderly individuals

d) All age groups equally

Answer: c) Middle-aged and elderly individuals

Which of the following is a common trigger for bullous pemphigoid flares?

a) Sun exposure

b) Emotional stress

c) Certain medications

d) All of the above

Answer: c) Certain medications

Epidermolysis bullosa is a rare genetic condition that is characterized by:

a) Blistering and erosion of the skin and mucous membranes

b) Hyperkeratosis of the skin

c) Psoriatic plaques

d) Papulovesicular rash

Answer: a) Blistering and erosion of the skin and mucous membranes