A&P2Wk1 Lab QUIZ

1. Voltage-gated Ca²⁺ (calcium) channel

2. Acetylcholine (ACh) (inside the synaptic vesicle)

Dendrites

3. Synaptic cleft

4. Postsynaptic cell (muscle cell/dendrite)

5. Action potential (nerve impulse)

6. Synaptic vesicle

7. Acetylcholinesterase (AChE)

8. ACh receptor (postsynaptic receptor)

Cell Body (Soma)

Axon Hillock

Axon

Axon Terminal

• Schwann cell

What neurotransmitter is associated with schizophrenia when levels are abnormal and Parkinson’s disease when levels are too low?

Dopamine

Which neurotransmitter is released at the neuromuscular junction (NMJ) and also plays a role in memory?

Acetylcholine (ACh)

Which neurotransmitter is the primary inhibitory neurotransmitter of the spinal cord?

Glycine

Which hormone is released during the fight-or-flight response?

Epinephrine (adrenaline)

What is the main excitatory neurotransmitter in the central nervous system (CNS)?

Glutamate

Which neurotransmitter is primarily associated with mood and mood disorders such as depression?

Serotonin (5-HT)

What are the body’s naturally produced opiates that reduce pain and produce euphoria?

Endorphins

What pathway carries information into the central nervous system?

Sensory (afferent) pathway

What pathway carries information out of the central nervous system?

Motor (efferent) pathway

Which motor pathway is under conscious control?

Somatic nervous system

Which motor pathway is not under conscious control?

Autonomic nervous system

Which autonomic division is responsible for rest and digest?

Parasympathetic division