A 65-Year-Old Man Comes to the Office Due to Multiple

question 107

Multiple Choice

A 65-year-old man comes to the office due to multiple hand lesions.  Pink, white, and gray spots have been present on his hands for several years and are slowly increasing in number and size.  The lesions do not itch or hurt.  Medical and family histories are unremarkable.  The patient takes no medications.  BMI is 27 kg/m².  Skin examination of the right hand is shown in the exhibit, and the left hand has similar lesions.  This patient is at greatest risk of developing which of the following?

• A)Cutaneous basal cell carcinoma
• B)Cutaneous squamous cell carcinoma
• C)Inflammatory arthritis
• D)Pulmonary hypertension
• E)Visceral malignancy

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Definitions:

Asexual Reproduction

A reproductive process that involves only one parent and produces offspring genetically identical to the parent.

Genetic Diversity

The total number of genetic characteristics in the genetic makeup of a species, contributing to variations within a population.

Random Segregation

The process during meiosis where chromosomes are randomly distributed to daughter cells, ensuring genetic diversity.

Homologous Chromosomes

Pairs of chromosomes in a diploid organism that have the same structure and sequence of genes but can have different alleles for the same genes, one inherited from each parent.