Neuromuscular Physiology Quizzes, Questions & Answers

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Dr Gawad Physiology Course Online Exam - Excitable – Course Lecture 5 – Neuromuscular Junction

Dr Gawad Physiology Course Online Exam - Excitable – Course Lecture 5 – Neuromuscular Junction 6 MCQs (Only one correct answer) Each MCQ: 1 mark, Total mark: 6 Allowed time: 6 min Good Luck dr...

Questions: 6 | Attempts: 652 | Last updated: Mar 21, 2023

Sample Question 1
In the motor end plate, all the following are TRUE EXCEPT:

The acetylcholine receptors are similar to those in smooth muscle.

The nerve ending contains many vesicles and mitochondria.

Lack of Ca diminishes the release of acetylcholine.

There is a high concentration of the cholinesterase enzyme.

There is a delay of neuromuscular transmission of 0.5 millisecond

Sample Question 2
About neuromuscular transmission and end plate potential (EPP):

Neuromuscular transmission occurs only from the muscle to the nerve.

EPP is always maximal and rapidly conducted along the surface of the muscle.

EPP is a localized state of depolarization at the motor end plate.

EPP is augmented by increased Mg concentration in ECF.

EPP is associated with decreased excitability of the motor end plate.

Sample Question 3
About activation of skeletal muscles, all the following is true except:

The resting membrane potential is about -90 mV.

The magnitude of the action potential is more than that in nerves.

The firing level is reached after about +40 mV of depolarization.

The spike is propagated along the muscle surface at a speed of 5 m /second.

Exercise Physiology Chapter 11 Quiz

This Exercise Physiology Chapter 11 Quiz assesses knowledge on neuromuscular physiology, focusing on muscle innervation, movement mechanisms, and sensory feedback. It is designed for learners to understand muscle dynamics and...

Questions: 6 | Attempts: 98 | Last updated: Jan 24, 2024

Sample Question
The somatic nervous system innervates:

Involuntary muscles

Cardiac muscle

Skeletal muscle and voluntary muscles

none of the above

Neuromuscular Physiology Quizzes, Questions & Answers

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