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Serga [27]
3 years ago
8

What purpose does the expanded synaptic knob and the ruffled motor end-plate serve?

Medicine
1 answer:
dlinn [17]3 years ago
7 0

Answer:

The correct answer will be option C- increase the surface area.

Explanation:

At the neuromuscular junctions, the axons of the motor-neurons become bulbous at terminals. These bulbous enlargements are known as the synaptic knobs. The synaptic knob is the bulbous enlargements of the axon present at the terminals. These knobs increase the volume of the axon terminals embedded with the ligand-gated channels and accumulation of neurotransmitters in vesicles.

The motor end plate is the region of the muscle fiber which is responsible for initiating the action potential in a muscle. The motor end plate becomes ruffled or shows small folds or clefts to increase the increased surface area for the neurotransmitter to act.

Thus, option C is the correct answer.

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A dose of aspirin of 5. 0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8. 5 poun
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Answer:

19.3 mg are needed

Explanation:

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\frac{8.5  \: lbs}{}  \times  \frac{1.0 \: kg}{2.205 \: lbs}  \times  \frac{5.0 \: mg}{kg}  \\  = 19.27mg

Hope this helps. If not just post a message and I will get back to you! :)

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