A 70-Year-Old Man Is in for His Annual Checkup

question 36

Multiple Choice

A 70-year-old man is in for his annual checkup.He has noticed some changes he is concerned about as he is aging.The nurse explains what normal changes he should expect including: (Select all that apply.)

• A)Scrotum hanging lower
• B)Decrease in the size of the testes
• C)Increase in the amount of pubic hair
• D)Decrease in the size of the penis
• E)Scrotum shrinking in size

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Definitions:

Life History

Life history refers to the pattern of investment an organism makes in growth and reproduction. Life history traits include an organism’s age at first reproduction, the duration and schedule of reproduction, the number and size of offspring produced, and life span.

Age At First Reproduction

The age at which an organism successfully produces offspring for the first time, an important life-history trait affecting fitness and evolution.

Offspring Number

The total count of new organisms produced or born to parent organisms within a given time frame.

Male Pipefishes

Members of the Syngnathidae family, unique for their role in childbearing, as males carry and nourish embryos in a specialized pouch.