Locomotion and Movement Chapter-Wise Test 10

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which of the following is incorrect about cardiac muscles?

They are striated in appearance.
They are involuntary in function.
They fatigue easily under prolonged activity.
They are branched in structure.
3

Cardiac muscles do not fatigue easily; they are adapted for continuous function.

Which of the following joints allows the movement of the thumb?

Pivot joint
Saddle joint
Hinge joint
Ball and socket joint
2

The saddle joint between the carpal and metacarpal of the thumb allows its wide range of movement.

Which structure connects muscle to bone?

Ligament
Cartilage
Tendon
Fascia
3

Tendons are strong connective tissues that attach muscles to bones.

Which type of bone is found in the wrist and ankle?

Long bones
Short bones
Flat bones
Irregular bones
2

Short bones, such as carpals (wrist) and tarsals (ankle), provide stability and support with limited movement.

Which type of connective tissue acts as a shock absorber in joints?

Tendon
Ligament
Cartilage
Fascia
3

Cartilage provides cushioning and reduces friction between bones in joints.

Which statement about the vertebral column is correct?

The lumbar region consists of 7 vertebrae.
The sacrum is made of fused vertebrae.
The cervical vertebrae are 8 in number.
The vertebral column has 30 vertebrae.
2

The sacrum is composed of fused vertebrae, and the total vertebral column has 26 vertebrae​.

Which of the following movements describes turning the palm downward?

Flexion
Pronation
Supination
Abduction
2

Pronation is the movement that turns the palm downward or backward.

Which type of joint is found at the base of the thumb?

Hinge joint
Pivot joint
Saddle joint
Ball and socket joint
3

The saddle joint at the base of the thumb allows for a wide range of movement.

Which of the following structures prevents the backflow of blood in veins?

Ligaments
Valves
Tendons
Cartilage
2

Valves in veins prevent the backflow of blood and ensure unidirectional flow toward the heart.

What is the function of sarcoplasmic reticulum in muscle fibers?

Storage and release of calcium
Production of ATP
Oxygen transport
Storage of glycogen
1

The sarcoplasmic reticulum stores and releases calcium ions, which are essential for muscle contraction.

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