A 19-Year-Old Woman Is Evaluated for New Onset Generalized Tonic-Clonic

question 99

Multiple Choice

A 19-year-old woman is evaluated for new onset generalized tonic-clonic seizures.  For the past several years, she has also been having erratic jerks of her arms and legs, and intermittent muscle weakness.  The girl has multiple family members with similar symptoms.  Neurological examination reveals decreased sensation in the lower extremities and a broad-based gait.  Skeletal muscle biopsy shows ragged, red-appearing muscle fibers.  Further analysis reveals that the patient's symptoms are due to a mutation affecting extranuclear DNA.  Which of the following pedigrees is most likely to represent this patient's family history? (The arrow points to the patient.)

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Definitions:

Equipment

Tangible assets used in operations, such as machinery, computers, and furniture, which are expected to be used over several years.

Note Payable

A written promise to pay a specific sum of money on a future date or dates, typically with interest.

Journal Entry

A record in accounting that notes the debit and credit effects of a financial transaction.

Truck Purchase

The acquisition of a truck, which is a capital investment and may be classified as a fixed asset on the balance sheet.