Neurotransmitters That Open Na⁺ Channels and Trigger Action Potentials in Receiving

question 11

Multiple Choice

Neurotransmitters that open Na⁺ channels and trigger action potentials in receiving cells are called

• A) inhibitory.
• B) excitatory.
• C) sympathetic.
• D) parasympathetic.

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Definitions:

Allergy

An immune system reaction to certain substances, resulting in symptoms like sneezing, itching, and difficulty breathing.

Itchy Eyes

A discomforting sensation around the eyes prompting a desire to rub, often caused by allergies, eye strain, or infections.

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A viral respiratory infection causing symptoms like runny nose, sore throat, cough, and sneezing.

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