When Determining the ICA:CCA Ratio, the CCA Velocity Should Be

question 18

Multiple Choice

When determining the ICA:CCA ratio, the CCA velocity should be obtained from which one of the following areas?

• A) Proximal segment
• B) Origin
• C) Distal segment
• D) Near the carotid bulb

---

Definitions:

Distribution Half-life

The time it takes for a drug’s concentration to be reduced by half in the body’s tissues after it has been absorbed into the bloodstream, indicating the drug’s dispersion rate.

Glutamate

An important neurotransmitter in the brain, involved in learning, memory, and the regulation of the nervous system.

Methamphetamine

A powerful, highly addictive stimulant that affects the central nervous system, known for its use both in clinical settings and illicitly.

Neurotransmitters

Chemical substances released by neurons to transmit signals across synapses to other neurons, muscles, or glands, facilitating communication within the brain and body.