#1
What is the most common cause of acne?
Excessive oil production
ExplanationAcne is primarily caused by the overproduction of oil (sebum) in the skin.
#2
Which layer of the skin contains blood vessels, nerves, and hair follicles?
Dermis
ExplanationThe dermis is the layer of skin where blood vessels, nerves, and hair follicles are located.
#3
Which skin condition is caused by the human papillomavirus (HPV)?
Warts
ExplanationWarts are benign skin growths caused by infection with the human papillomavirus (HPV).
#4
What is the primary function of sebaceous glands?
Produce oil
ExplanationSebaceous glands produce sebum, an oily substance that helps lubricate and waterproof the skin and hair.
#5
Which skin condition is caused by the Epstein-Barr virus?
Mononucleosis
ExplanationMononucleosis, also known as 'mono,' is caused by the Epstein-Barr virus (EBV), which can cause a distinctive rash in some cases.
#6
Which layer of the skin contains fat cells that provide insulation and padding?
Subcutaneous tissue
ExplanationThe subcutaneous tissue, also known as the hypodermis, is the deepest layer of skin and contains fat cells that provide insulation and padding.
#7
What is the term for excessive sweating?
Hyperhidrosis
ExplanationHyperhidrosis refers to the medical condition of excessive sweating beyond what is necessary for thermoregulation.
#8
Which of the following is a skin condition characterized by redness and visible blood vessels?
Rosacea
ExplanationRosacea is a chronic skin condition that causes redness and visible blood vessels, often on the face.
#9
Which skin layer is primarily responsible for waterproofing the body?
Stratum corneum
ExplanationThe stratum corneum, the outermost layer of the epidermis, acts as the primary barrier against water loss and external pathogens.
#10
What is the primary cause of wrinkles and aging skin?
Sun exposure
ExplanationExcessive sun exposure is the primary cause of wrinkles and premature aging of the skin due to UV radiation damage.
#11
Which skin condition is caused by an overgrowth of yeast on the skin?
Candidiasis
ExplanationCandidiasis, also known as a yeast infection, can occur on the skin due to an overgrowth of yeast.
#12
Which skin condition is characterized by the formation of pus-filled blisters?
Impetigo
ExplanationImpetigo is a contagious skin infection characterized by the formation of pus-filled blisters, often caused by bacteria.
#13
What is the medical term for the loss of skin pigmentation?
Vitiligo
ExplanationVitiligo is a skin condition characterized by the loss of skin pigmentation, resulting in white patches on the skin.
#14
What is the primary function of melanocytes?
Produce melanin
ExplanationMelanocytes are cells in the skin responsible for producing melanin, the pigment that gives skin its color.
#15
Which skin condition is characterized by itchy, red, and inflamed patches of skin?
Eczema
ExplanationEczema is a common skin condition characterized by itchy, red, and inflamed patches of skin.
#16
Which of the following is a skin condition characterized by the abnormal growth of skin cells?
Melanoma
ExplanationMelanoma is a type of skin cancer characterized by the abnormal growth of melanocytes, the cells responsible for skin coloration.
#17
What is the medical term for an abnormal growth of tissue?
Neoplasia
ExplanationNeoplasia refers to the abnormal growth of tissue, which can be benign (non-cancerous) or malignant (cancerous).
#18
Which of the following is a skin condition characterized by inflammation of hair follicles?
Folliculitis
ExplanationFolliculitis is a common skin condition characterized by inflammation of hair follicles, often caused by bacterial or fungal infection.