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Muscle fiber types

Authored by Tumay Tunur

Biology

University

NGSS covered

Used 87+ times

Muscle fiber types
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25 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which one of the following is a key characteristic of Fast Twitch B muscle fibers? 

They are Red in color, meaning they contain a lot of mitochondria
They contract rapidly with great force but fatigue fast (as they use creatine phosphate pathway)
They are recruited for long duration activities
They contain high numbers of Mitochondria

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which one of the following is a key characteristic of slow twitch muscle fibers? 

They contain large amounts of Mitochondria
They are fast to fatigue
They are recruited last
They contain low numbers of Mitochondria

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Muscle fatigue sets in due to the nonavailability of 

calcium
ATP
actin binding sites
sodium

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Fill-in-the-blank! Muscle, Fascicle, _____, Myofibril

Muscle fiber
Myofilament
Sarcomere
Actin 

Tags

NGSS.HS-LS1-2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A motor unit is made up of _______________.

all the muscle fibers within a given muscle
a motor neuron and the muscle fibers it innervates
all the neurons going into an individual section of the body
a fascicle and a nerve

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Long distance runners have large proportion of ___________ fibers.

slow oxidative
fast oxidative
fast glycolytic

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which fibers are relatively fatigue-resistant and use aerobic respiration?

oxidative
glycolytic

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

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