What Stimulus Initiates the Defecation Reflex

question 25

Multiple Choice

What stimulus initiates the defecation reflex?

• A) pressure on the gastroesophageal sphincter
• B) presence of acid in the stomach
• C) the stretch of the rectum
• D) release of secretin and cholecystokinin (CCK) by the small intestine

Evaluate ethical issues within the context of nursing and healthcare.

Determine appropriate actions based on ethical principles in various healthcare scenarios.

Analyze the impact of ethical decision-making in nursing practice.

Understand the role of autonomy, respect, and dignity in patient care.

---

Definitions:

Axons

Long, slender projections of nerve cells that transmit electrical impulses away from the neuron's cell body to other neurons or to muscles or glands.

Dendrites

Dendritic processes of a neuron that capture signals from other neurons.

Terminal Buttons

Terminal buttons are small knobs at the end of an axon that release neurotransmitters, facilitating the transfer of nerve impulses from one neuron to another.

Golgi Body

A complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.