Question 1

Which of the following skin lesions will most likely progress to invasive squamous cell carcinoma?

Accepted Answer

A)  Actinic keratosis 
B)  Seborrheic keratosis 
C)  Seborrheic dermatitis 
D)  Epidermal inclusion cyst 
E)  Steatocystoma multiplex 
A)  Actinic keratosis 
B)  Seborrheic keratosis 
C)  Seborrheic dermatitis 
D)  Epidermal inclusion cyst 
E)  Steatocystoma multiplex A

Question 2

Which of the following skin lesions becomes darker and more pigmented upon exposure to sunlight?

Accepted Answer

A)  Vitiligo 
B)  Lentigo 
C)  Ephelis 
D)  Congenital melanocytic nevus 
E)  Dysplastic nevus 
A)  Vitiligo 
B)  Lentigo 
C)  Ephelis 
D)  Congenital melanocytic nevus 
E)  Dysplastic nevus C

Question 3

Basal cell carcinoma of the skin often contains mutations of the p53 gene and the gene called PTCH (mutated in congenital nevoid basal cell carcinoma syndrome). These mutations are most likely the result of action of which of the following?

Accepted Answer

A)  Epidermal growth factor 
B)  G-protein signal transduction system 
C)  Chemical carcinogens from the environment 
D)  Ultraviolet light 
E)  Cosmic radiation 
A)  Epidermal growth factor 
B)  G-protein signal transduction system 
C)  Chemical carcinogens from the environment 
D)  Ultraviolet light 
E)  Cosmic radiation D

Question 4

A well-demarcated, coin-like, dark brown lesion appeared on the shoulder of a 59-year-old man. The lesion appears velvety, greasy, and has a "stuck on" appearance so that it can easily be removed. Which of the following is the most likely diagnosis?

Accepted Answer

A)  Lentigo 
B)  Ephelis 
C)  Vitiligo 
D)  Seborrheic keratosis 
E)  Actinic keratosis 
A)  Lentigo 
B)  Ephelis 
C)  Vitiligo 
D)  Seborrheic keratosis 
E)  Actinic keratosis

Which of the following skin lesions will most likely progress to invasive squamous cell carcinoma?

Which of the following skin lesions becomes darker and more pigmented upon exposure to sunlight?

Basal cell carcinoma of the skin often contains mutations of the p53 gene and the gene called PTCH (mutated in congenital nevoid basal cell carcinoma syndrome). These mutations are most likely the result of action of which of the following?

A well-demarcated, coin-like, dark brown lesion appeared on the shoulder of a 59-year-old man. The lesion appears velvety, greasy, and has a "stuck on" appearance so that it can easily be removed. Which of the following is the most likely diagnosis?

Cell Injury, Cell Death, and Adaptations

Inflammation and Repair

Hemodynamic Disorders, Thromboembolism, and Shock

Diseases of the Immune System

Neoplasia

Genetic and Pediatric Diseases

Environmental and Nutritional Diseases

General Pathology of Infectious Diseases

Blood Vessels

Heart

Hematopoietic and Lymphoid Systems

Lung

Kidney and Its Collecting System

Oral Cavity and Gastrointestinal Tract

Liver, Gallbladder, and Biliary Tract

Pancreas

Male Genital System and Lower Urinary Tract

Female Genital System and Breast

Endocrine System

Bones, Joints, and Soft Tissue Tumors

Peripheral Nerves and Muscles

Central Nervous System

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Exam 23: Skin

Which of the following skin lesions will most likely progress to invasive squamous cell carcinoma?

Which of the following skin lesions becomes darker and more pigmented upon exposure to sunlight?

Basal cell carcinoma of the skin often contains mutations of the p53 gene and the gene called PTCH (mutated in congenital nevoid basal cell carcinoma syndrome). These mutations are most likely the result of action of which of the following?

A well-demarcated, coin-like, dark brown lesion appeared on the shoulder of a 59-year-old man. The lesion appears velvety, greasy, and has a "stuck on" appearance so that it can easily be removed. Which of the following is the most likely diagnosis?

Cell Injury, Cell Death, and Adaptations

Inflammation and Repair

Hemodynamic Disorders, Thromboembolism, and Shock

Diseases of the Immune System

Neoplasia

Genetic and Pediatric Diseases

Environmental and Nutritional Diseases

General Pathology of Infectious Diseases

Blood Vessels

Heart

Hematopoietic and Lymphoid Systems

Lung

Kidney and Its Collecting System

Oral Cavity and Gastrointestinal Tract

Liver, Gallbladder, and Biliary Tract

Pancreas

Male Genital System and Lower Urinary Tract

Female Genital System and Breast

Endocrine System

Bones, Joints, and Soft Tissue Tumors

Peripheral Nerves and Muscles

Central Nervous System

Filters