Muscular System

Muscular System

Assessment

Flashcard

11th - 12th Grade

Hard

Created by

Wayground Content

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25 questions

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1.

FLASHCARD QUESTION

Front

What is the name of the thick myofilament found in a sarcomere?

Back

Myosin

2.

FLASHCARD QUESTION

Front

What is the name of the thin myofilaments in the muscle cell?

Back

Actin

3.

FLASHCARD QUESTION

Front

The contractile unit of a muscle is called the __________.

Back

Sarcomere

4.

FLASHCARD QUESTION

Front

Number 3 represents which of the following events: action potential reaches the axon terminal, sodium rushes into the muscle fiber, potassium leaving the muscle fiber, ACh crossing the synaptic cleft?

Back

ACh crossing the synaptic cleft

5.

FLASHCARD QUESTION

Front

Contractions are generated by: shortening of thick filaments, shortening of thin filaments, sliding of thin filaments past thick filaments, "accordian-like" folding of thick and thin filaments

Back

sliding of thin filaments past thick filaments

6.

FLASHCARD QUESTION

Front

What ion is transported across the sarcolemma in an action potential? Options: K+, Na+, Ca+2, Cl-

Back

Na+

7.

FLASHCARD QUESTION

Front

Once calcium is released, it will

Back

attach to troponin

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