What Is the Correct Sequence at a Synapse

question 67

Multiple Choice

What is the correct sequence at a synapse

• A)neurotransmitter diffuses across cleft; calcium induces exocytosis of neurotransmitter; permeability of postsynaptic membrane is altered; neurotransmitter binds to receptor on chemically gated channel; ion channels open
• B)neurotransmitter diffuses across cleft; ion channels open; permeability of postsynaptic membrane is altered; calcium induces exocytosis of neurotransmitter; neurotransmitter binds to receptor on chemically gated channel
• C)calcium induces exocytosis of neurotransmitter; neurotransmitter diffuses across cleft; neurotransmitter binds to receptor on chemically gated channel; ion channels open; permeability of postsynaptic membrane is altered
• D)permeability of postsynaptic membrane is altered; neurotransmitter diffuses across cleft; ion channels open; neurotransmitter binds to receptor on chemically gated channel; calcium induces exocytosis of neurotransmitter

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Definitions:

Deep Tendon Reflexes

Neurological responses elicited by tapping specific tendons with a reflex hammer to assess the central and peripheral nervous system's integrity.

Specific Gravity

A measure of the density of a substance compared to the density of water, indicating concentration.

Pulse Oximetry

A non-invasive method to measure the oxygen saturation level (SpO2) of the blood, often using a device placed on a finger.

Heart Rate

The number of heartbeats per minute, indicating heart activity.