The Adult Internal Rectal Sphincter Is Controlled by The

question 1

Multiple Choice

The adult internal rectal sphincter is controlled by the:

• A) autonomic nervous system.
• B) central nervous system.
• C) lumbar spinal reflexes.
• D) sacral spinal reflexes.

---

Definitions:

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in the air and is absorbed by plants in photosynthesis.

Baking Soda

A chemical compound also known as sodium bicarbonate, used in baking as a leavening agent and for cleaning.

Coffee

A brewed drink prepared from roasted coffee beans.

Denatures

The process by which proteins lose their three-dimensional structure and function due to factors like changes in pH or temperature.