Which of the Following Is a Physiologic Contributor to Intestinal

question 17

Multiple Choice

Which of the following is a physiologic contributor to intestinal ischemia?

• A) decreased level of dehydroepiandrosterone sulfate
• B) increased level of norepinephrine
• C) exposure to endotoxin and inflammatory cytokine release
• D) nausea and early satiety from gut or hepatic edema
• E) increased level of insulin-like growth factor-1

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Definitions:

Neurotransmitter

Chemical substances that transmit nerve impulses across a synapse from one neuron to another.

Synaptic Vesicles

Membrane-bound sacs within the neuron that store neurotransmitters, which are chemicals involved in transmitting messages across the synaptic gap.

Resting Potential

The electrical charge of a neuron when it is not active or transmitting an impulse, representing the difference in electric potential across the neuron's membrane.

All-Or-None

Referring to the fact that a neuron either fires completely or does not fire at all.