Muscular System MCQs with Answers

adminJuly 2, 2024Last Updated: October 15, 2024

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Welcome to the Muscular System MCQs with Answers. In this post, we have shared Muscular System Online Test for different competitive exams. Find practice Muscular System Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Muscular System.

It comprises all the human muscles. All these are skeletal, cardiac, and smooth muscles. They help to facilitate movement, maintain posture, generate heat, and organ functions. Skeletal muscles are bound to bones by tendons. These muscles provide for voluntary movements such as walking and lifting. Cardiac muscles occur only in the heart. They function rhythmically in pumping blood throughout the body. Many organs and blood vessels contain smooth muscles; these are in charge of involuntary contractions, including the control of digestion and blood flow.

The muscular system is ideal for general movement and fitness. Routine exercises including aerobic exercise, strength training, and exercises aimed at developing flexibility help to maintain excellent muscle strength, endurance, and flexibility. Also an appropriate diet with adequate quantities of protein, vitamins B and D, and minerals, such as calcium and magnesium, aids in proper formation and repair of muscles.

Muscular System Online Quiz

By presenting 3 options to choose from, Muscular System Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Muscular System Questions and Answers and click over the correct answer.

Test Name: Muscular System MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.

Muscular System

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1 / 40

Muscles that are under conscious control are __________ muscles.

Smooth

Skeletal

Cardiac

2 / 40

The functional unit of a skeletal muscle fiber is called a __________.

Sarcomere

Myoglobin

Myofibril

3 / 40

Which muscle type is involuntary and found in the walls of hollow organs?

Cardiac

Smooth

Skeletal

4 / 40

Muscles that control the movement of food through the digestive system are __________ muscles.

Skeletal

Smooth

Cardiac

5 / 40

The connective tissue that surrounds an entire muscle is called __________.

Endomysium

Perimysium

Epimysium

6 / 40

The neurotransmitter responsible for initiating a muscle contraction is __________.

Dopamine

Acetylcholine

Serotonin

7 / 40

Muscles that are found in the walls of blood vessels are __________ muscles.

Smooth

Cardiac

Skeletal

8 / 40

The contraction of smooth muscles is __________ compared to skeletal muscles.

Same

Slower

Faster

9 / 40

The sarcoplasmic reticulum stores and releases __________ ions, essential for muscle contraction.

Potassium

Sodium

Calcium

10 / 40

The connective tissue that surrounds bundles of muscle fibers is called __________.

Perimysium

Endomysium

Epimysium

11 / 40

Muscles that help maintain posture and body position are __________ muscles.

Cardiac

Skeletal

Smooth

12 / 40

The sliding filament theory explains __________.

Muscle extension

Muscle contraction

Muscle relaxation

13 / 40

Which molecule supplies the energy for muscle contraction?

ATP

ADP

AMP

14 / 40

Which muscle type forms the walls of blood vessels?

Cardiac

Skeletal

Smooth

15 / 40

Muscles that control the diameter of the pupils and shape of the lens are __________ muscles.

Smooth

Skeletal

Cardiac

16 / 40

Which protein is primarily responsible for muscle contraction in all muscle types?

Actin

Myosin

Troponin

17 / 40

Muscles that are under involuntary control are __________ muscles.

Smooth

Cardiac

Skeletal

18 / 40

Muscles that help move bones and joints are __________ muscles.

Skeletal

Smooth

Cardiac

19 / 40

Which protein blocks the binding sites on actin molecules in a relaxed muscle?

Tropomyosin

Troponin

Myosin

20 / 40

Which ion is necessary for the release of neurotransmitters at the neuromuscular junction?

Calcium

Potassium

Sodium

21 / 40

Which type of muscle tissue is multinucleated?

Smooth

Skeletal

Cardiac

22 / 40

Which type of muscle tissue is found in the walls of the heart?

Cardiac

Smooth

Skeletal

23 / 40

The process of muscle relaxation is called __________.

Muscle relaxation

Muscle extension

Muscle contraction

24 / 40

Which enzyme breaks down acetylcholine to terminate muscle contraction?

Acetylcholinesterase

ATP synthase

Phosphatase

25 / 40

Muscles attached to bones that cause movements are called __________.

Skeletal muscles

Smooth muscles

Cardiac muscles

26 / 40

Which neurotransmitter is released at the neuromuscular junction to initiate muscle contraction?

Dopamine

Acetylcholine

Serotonin

27 / 40

Muscles that are responsible for the rhythmic contractions of the digestive tract are __________ muscles.

Smooth

Cardiac

Skeletal

28 / 40

Muscles that pump blood throughout the body are __________ muscles.

Skeletal

Smooth

Cardiac

29 / 40

Muscles that are under involuntary control are __________ muscles.

Smooth

Skeletal

Cardiac

30 / 40

The neurotransmitter that initiates muscle contraction binds to __________ receptors on muscle cells.

Dopamine

Acetylcholine

Norepinephrine

31 / 40

Muscles that are striated and under involuntary control are __________ muscles.

Skeletal

Smooth

Cardiac

32 / 40

Which muscle type is found in the walls of hollow organs?

Skeletal

Cardiac

Smooth

33 / 40

What is the main function of skeletal muscles?

Breathing

Digestion

Movement

34 / 40

What is the functional unit of contraction in a skeletal muscle fiber?

Myofibril

Sarcomere

Myosin filament

35 / 40

Which muscle type is found in the heart?

Cardiac

Smooth

Skeletal

36 / 40

Muscles that pump blood throughout the body are __________ muscles.

Skeletal

Cardiac

Smooth

37 / 40

Muscles that are responsible for moving bones are called __________ muscles.

Skeletal

Cardiac

Smooth

38 / 40

The process of muscle contraction requires __________ ions to be released from the sarcoplasmic reticulum.

Potassium

Calcium

Sodium

39 / 40

Which type of muscle contraction occurs when the muscle lengthens under tension?

Eccentric

Isometric

Concentric

40 / 40

Muscles that are striated and under voluntary control are __________ muscles.

Skeletal

Smooth

Cardiac

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Muscular System Flashcards

Muscles that are responsible for moving bones are called __________ muscles.

Skeletal

Which muscle type is involuntary and found in the walls of hollow organs?

Smooth

The functional unit of a skeletal muscle fiber is called a __________.

Sarcomere

Which protein is primarily responsible for muscle contraction in all muscle types?

Actin

Muscles that are striated and under voluntary control are __________ muscles.

Skeletal

Which muscle type forms the walls of blood vessels?

Smooth

The neurotransmitter responsible for initiating a muscle contraction is __________.

Acetylcholine

Which ion is necessary for the release of neurotransmitters at the neuromuscular junction?

Calcium

Muscles that control the movement of food through the digestive system are __________ muscles.

Smooth

The sarcoplasmic reticulum stores and releases __________ ions, essential for muscle contraction.

Calcium

Which type of muscle tissue is multinucleated?

Skeletal

Muscles that pump blood throughout the body are __________ muscles.

Cardiac

The sliding filament theory explains __________.

Muscle contraction

What is the functional unit of contraction in a skeletal muscle fiber?

Sarcomere

Which enzyme breaks down acetylcholine to terminate muscle contraction?

Acetylcholinesterase

Muscles attached to bones that cause movements are called __________.

Skeletal muscles

Which muscle type is found in the heart?

Cardiac

The contraction of smooth muscles is __________ compared to skeletal muscles.

Slower

What is the main function of skeletal muscles?

Movement

Muscles that control the diameter of the pupils and shape of the lens are __________ muscles.

Smooth

Which molecule supplies the energy for muscle contraction?

ATP

Muscles that are under involuntary control are __________ muscles.

Smooth

Which type of muscle tissue is found in the walls of the heart?

Cardiac

Muscles that help maintain posture and body position are __________ muscles.

Skeletal

The process of muscle relaxation is called __________.

Muscle relaxation

Which neurotransmitter is released at the neuromuscular junction to initiate muscle contraction?

Acetylcholine

Muscles that are responsible for the rhythmic contractions of the digestive tract are __________ muscles.

Smooth

The connective tissue that surrounds an entire muscle is called __________.

Epimysium

Muscles that are under conscious control are __________ muscles.

Skeletal

Which protein blocks the binding sites on actin molecules in a relaxed muscle?

Tropomyosin

Muscles that are found in the walls of blood vessels are __________ muscles.

Smooth

The process of muscle contraction requires __________ ions to be released from the sarcoplasmic reticulum.

Calcium

Muscles that help move bones and joints are __________ muscles.

Skeletal

Which muscle type is found in the walls of hollow organs?

Smooth

The neurotransmitter that initiates muscle contraction binds to __________ receptors on muscle cells.

Acetylcholine

Muscles that are striated and under involuntary control are __________ muscles.

Cardiac

The connective tissue that surrounds bundles of muscle fibers is called __________.

Perimysium

Muscles that pump blood throughout the body are __________ muscles.

Cardiac

Which type of muscle contraction occurs when the muscle lengthens under tension?

Eccentric

Muscles that are under involuntary control are __________ muscles.

Cardiac

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adminJuly 2, 2024Last Updated: October 15, 2024

0 17 2 minutes read