Muscular System MCQs | Muscular System Multiple Choice Questions and Answers

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Questions
1 What Are Dark Bands That Define The Two Ends Of Each Sacromeres Called.
A Z-Lines
B Myosin
C Sarcomeres
D Actin

Answer: Z-Lines
2 The Functional Unit Of Contractile System In Striated Muscle Is
A Sarcomere
B Myofibril
C Cross Bridges
D Z Band

Answer: Sarcomere
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3 Which Of The Following Is A Component Of Actin Filaments Of A Sarcomere?
A Troponin And Actin
B Troponin, Tropomyosin And Actin
C Myosin And Troponin
D Actin And Myosin

Answer: Troponin, Tropomyosin And Actin
4 Which One Of The Following Sets Of Ions Are Necessary In The Chemical Events For Muscle Contraction?
A Na+ And Mg++ Ions
B Na+ And K+
C Na+ And Ca++ Ions
D Ca+ And Mg++ Ions

Answer: Ca+ And Mg++ Ions
5 What Is Sarcomere?
A Part Between Two Z Line
B Part Between Two A Line
C Part Between Two I Band
D Part Between Two H Line

Answer: Part Between Two Z Line
6 The Muscles That You Cannot Control That Make Up Your Internal Organs Are Called ____________ Muscles.
A Smooth Muscles
B Tissue
C Skeletal Muscles
D None

Answer: Smooth Muscles
7 The Type Of Body Tissue That Feels Like A Rubber Band (And Forms A Muscle) Is Called The _________________.
A Skeletal Muscles
B Muscle Fiber
C Tissue
D Relaxing Muscle

Answer: Muscle Fiber
8 When A Muscle Gets Shorter And Thicker It Is A _____________ Muscle.
A Triceps
B Relaxing Muscle
C Skeletal Muscles
D Contracting Muscle

Answer: Contracting Muscle
9 The Muscles You Can Control That Are Attached To Your Bones Are Called ___________ Muscles.
A Muscle Fiber
B Smooth Muscles
C Skeletal Muscles
D Relaxing Muscle

Answer: Skeletal Muscles
10 To ___________ Means To Make Something Stronger.
A Muscle
B Contracting Muscle
C Strengthen
D None

Answer: Strengthen
11 BONUS: What Is The Root Word Of Strengthen?
A Strength
B En
C Strengthen
D All above

Answer: Strength
12 The Basic Unit Of Contraction Is The
A Sarcomeres
B Actin
C Myosin
D Z-Lines

Answer: Sarcomeres
13 The Functional Partners Of Bone Is:
A Skeletal Muscle
B Ligament
C Tendon
D Fasciae

Answer: Skeletal Muscle
14 This Is The Explanation Of How Muscles Contract.
A Mendels Laws
B Sliding Filament Model
C Cell Theory
D Lock And Key Hypothesis

Answer: Sliding Filament Model
15 Which Of The Following Is The Contractile Protein Of A Muscle?
A Tubulin
B Myosin
C None of these
D All Of These

Answer: Myosin
16 Muscle Fatigue Sets In Due To Non Availability Of
A Actin Binding Site
B Calcium
C ATP
D Mg Cofactor

Answer: ATP
17 Muscles Get Fatigue Due To Accumulation Of
A Carbon Dioxide
B Phosphate Molecules
C ATP
D Lactic Acid

Answer: Lactic Acid
18 Light Band Has Which Of The Following Filament Protein?
A Actin
B Myosin And Actin
C Myosin
D None Of These

Answer: Actin
19 The Part Of Your Body That Controls Movements Is Called __________________.
A Muscles
B Tissue
C Skeletal Muscles
D None

Answer: Muscles
20 The Muscles In Your Upper Arm Are Called Your _____________.
A Biceps
B Muscle
C Triceps
D None of the above

Answer: Biceps

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