Locomotion and Movement Chapter-Wise Test 14

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which statement about red muscle fibers is correct?

They have a high amount of myoglobin.
They perform anaerobic respiration.
They fatigue quickly.
They have fewer mitochondria.
1

Red muscle fibers have high myoglobin content, which allows them to perform sustained aerobic activities​.

Which of the following conditions is caused by an accumulation of uric acid crystals in the joints?

Arthritis
Gout
Osteoporosis
Bursitis
2

Gout is caused by excessive uric acid accumulation in joints, leading to pain and inflammation.

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

Dopamine
Serotonin
Acetylcholine
Epinephrine
3

Acetylcholine is released at the neuromuscular junction, triggering muscle contraction.

Which joint in the human body is an example of a condyloid joint?

Elbow joint
Wrist joint
Hip joint
Ankle joint
2

The wrist joint is a condyloid joint that allows movement in two planes.

Which part of the vertebral column articulates with the ribs?

Cervical vertebrae
Thoracic vertebrae
Lumbar vertebrae
Sacral vertebrae
2

The thoracic vertebrae articulate with the ribs, forming the rib cage.

Which bone forms the upper arm?

Radius
Ulna
Humerus
Scapula
3

The humerus is the long bone of the upper arm that connects the shoulder to the forearm.

Which of the following conditions is caused by an autoimmune attack on joints?

Osteoarthritis
Gout
Rheumatoid arthritis
Osteoporosis
3

Rheumatoid arthritis is an autoimmune disease in which the immune system attacks the synovial membranes of joints.

Which of the following muscle fiber types is adapted for endurance activities?

White muscle fibers
Smooth muscle fibers
Red muscle fibers
Cardiac muscle fibers
3

Red muscle fibers have high myoglobin and mitochondria content, making them suited for endurance activities​.

Which of the following bones is a part of the pelvic girdle?

Humerus
Scapula
Ilium
Clavicle
3

The ilium is a part of the pelvic girdle, while the humerus, scapula, and clavicle are part of the appendicular skeleton​.

Which of the following is a characteristic of red muscle fibers?

Low myoglobin content
Few mitochondria
Fatigue-resistant
Primarily anaerobic respiration
3

Red muscle fibers are fatigue-resistant due to high myoglobin and abundant mitochondria, allowing sustained aerobic activity​.

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