IB SEHS 4.1 Neuromuscular

IB SEHS 4.1 Neuromuscular

Assessment

Flashcard

Physical Ed, Science

11th - 12th Grade

Easy

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20 questions

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1.

FLASHCARD QUESTION

Front

In the diagram of a motor unit, what is represented by the part labelled X? Options: Axon, Neuromuscular synapse, Nucleus, Dendrite

Back

Dendrite

2.

FLASHCARD QUESTION

Front

What is the name of the gap between two neurons?

Back

Synapse

3.

FLASHCARD QUESTION

Front

What part of the motor unit is responsible for carrying an impulse towards the cell body? Options: Axon, Dendrite, Motor end plate, Synapse

Back

Dendrite

4.

FLASHCARD QUESTION

Front

Which of the following are parts of a motor unit? Dendrite, cell body, nucleus and axon, Dendrite, cell body, tendon and muscle, Dendrite, cell body, cartilage and axon, Dendrite, cell body, ligament and muscle

Back

Dendrite, cell body, nucleus and axon

5.

FLASHCARD QUESTION

Front

What is the neurotransmitter involved in stimulating muscle contraction?

Back

Acetylcholine

6.

FLASHCARD QUESTION

Front

Which of the following statements is true about the sliding filament theory? During contraction the H zone remains the same length, A cross-bridge is formed by troponin and tropomysin attaching to one another, A nerve impulse causes an action potential to spread across the muscle, ATP is released around the filaments, stimulating the muscle to contract

Back

A nerve impulse causes an action potential to spread across the muscle

7.

FLASHCARD QUESTION

Front

According to the sliding filament theory, which of the following change in length during isotonic muscle contraction? I. A band II. H Zone III. Sarcomere

Back

H Zone and Sarcomere

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