HEC USAT-M (Pre-Medical) Biology: Support & Movement MCQs

Practice Support & Movement MCQs for HEC USAT-M (Pre-Medical) Biology — topic-wise sets with solved answers.

HEC USAT-M (Pre-Medical) Biology: Support & Movement MCQs — sample questions

  1. Question 1

    Q1. A patient with a fractured femur experiences muscle spasms. What type of muscle fiber is primarily responsible for these spasms?

    • A) Type I
    • B) Type II
    • C) Purkinje fiber
    • D) Smooth muscle fiber

    Answer: Type II

    Explanation: Type II fibers are responsible for muscle spasms, unlike Type I.

  2. Question 2

    Q2. An individual with scoliosis has an abnormal curvature of the spine. Which type of cartilage is found between the vertebrae?

    • A) Hyaline cartilage
    • B) Fibrocartilage
    • C) Elastic cartilage
    • D) Adipose cartilage

    Answer: Fibrocartilage

    Explanation: Fibrocartilage is found in intervertebral discs, providing cushioning.

  3. Question 3

    Q3. A person with osteoporosis has a higher risk of fractures due to decreased bone density. Which hormone helps regulate calcium levels in the blood?

    • A) Parathyroid hormone
    • B) Thyroid hormone
    • C) Adrenal hormone
    • D) Growth hormone

    Answer: Parathyroid hormone

    Explanation: Parathyroid hormone regulates calcium levels, unlike thyroid hormone.

  4. Question 4

    Q4. An athlete with a torn ligament experiences joint instability. What is the primary function of ligaments in the human body?

    • A) To produce movement
    • B) To provide stability
    • C) To absorb shock
    • D) To facilitate blood flow

    Answer: To provide stability

    Explanation: Ligaments provide stability, unlike tendons which produce movement.

  5. Question 5

    Q5. A patient with a spinal cord injury experiences paralysis. Which part of the skeletal system provides protection for the spinal cord?

    • A) Ribcage
    • B) Vertebral column
    • C) Pelvis
    • D) Sternum

    Answer: Vertebral column

    Explanation: Vertebral column protects the spinal cord, unlike ribcage.

  6. Question 6

    Q6. A person with a muscle strain experiences pain and limited mobility. What is the primary function of skeletal muscle in the human body?

    • A) To produce movement
    • B) To regulate body temperature
    • C) To facilitate digestion
    • D) To filter waste

    Answer: To produce movement

    Explanation: Skeletal muscle produces movement, unlike smooth muscle.

  7. Question 7

    Q7. An individual with a joint replacement experiences improved mobility. Which type of joint allows for the greatest range of motion?

    • A) Ball-and-socket joint
    • B) Hinge joint
    • C) Pivot joint
    • D) Saddle joint

    Answer: Ball-and-socket joint

    Explanation: Ball-and-socket joints allow for the greatest range of motion, unlike hinge joints.

  8. Question 8

    Q8. A person with a tendon injury experiences pain and limited mobility. What is the primary function of tendons in the human body?

    • A) To produce movement
    • B) To provide stability
    • C) To connect muscles to bones
    • D) To facilitate blood flow

    Answer: To connect muscles to bones

    Explanation: Tendons connect muscles to bones, unlike ligaments.

  9. Question 9

    Q9. An athlete with a stress fracture experiences pain and limited mobility. What is the primary function of the periosteum in the human body?

    • A) To produce bone tissue
    • B) To provide stability
    • C) To facilitate blood flow
    • D) To cover and protect bones

    Answer: To cover and protect bones

    Explanation: Periosteum covers and protects bones, unlike endosteum.

  10. Question 10

    Q10. A person with a bone tumor experiences pain and limited mobility. Which type of bone cell is responsible for breaking down bone tissue?

    • A) Osteoblast
    • B) Osteoclast
    • C) Osteocyte
    • D) Chondrocyte

    Answer: Osteoclast

    Explanation: Osteoclasts break down bone tissue, unlike osteoblasts.

  11. Question 11

    Q11. An individual with a muscle imbalance experiences poor posture. What is the primary function of the core muscles in the human body?

    • A) To produce movement
    • B) To provide stability
    • C) To facilitate digestion
    • D) To regulate body temperature

    Answer: To provide stability

    Explanation: Core muscles provide stability, unlike limb muscles.

  12. Question 12

    Q12. A patient with a spinal curvature experiences respiratory problems. Which type of muscle is responsible for expanding the chest cavity?

    • A) Diaphragm
    • B) Intercostal muscle
    • C) Pectoral muscle
    • D) Trapezius muscle

    Answer: Intercostal muscle

    Explanation: Intercostal muscles expand the chest cavity, unlike diaphragm.

  13. Question 13

    Q13. An athlete with a shoulder injury experiences pain and limited mobility. Which type of joint is responsible for the wide range of motion in the shoulder?

    • A) Ball-and-socket joint
    • B) Hinge joint
    • C) Pivot joint
    • D) Saddle joint

    Answer: Ball-and-socket joint

    Explanation: Ball-and-socket joints allow for wide range of motion, unlike hinge joints.

  14. Question 14

    Q14. A person with a bone graft experiences improved bone density. Which type of tissue is used for bone grafting?

    • A) Autologous tissue
    • B) Allogenic tissue
    • C) Xenogenic tissue
    • D) Synthetic tissue

    Answer: Autologous tissue

    Explanation: Autologous tissue is used for bone grafting, unlike allogenic tissue.

  15. Question 15

    Q15. An individual with a tendonitis experiences pain and limited mobility. Which type of tendon is most prone to injury?

    • A) Achilles tendon
    • B) Patellar tendon
    • C) Quadriceps tendon
    • D) Rotator cuff tendon

    Answer: Achilles tendon

    Explanation: Achilles tendon is most prone to injury, unlike patellar tendon.

  16. Question 16

    Q16. A person with a muscle spasm experiences pain and limited mobility. Which type of muscle fiber is most prone to spasms?

    • A) Type I
    • B) Type II
    • C) Fast-twitch fiber
    • D) Slow-twitch fiber

    Answer: Type II

    Explanation: Type II fibers are most prone to spasms, unlike Type I.

  17. Question 17

    Q17. An athlete with a stress reaction experiences pain and limited mobility. Which type of bone adaptation occurs in response to increased stress?

    • A) Bone resorption
    • B) Bone formation
    • C) Bone remodeling
    • D) Bone hypertrophy

    Answer: Bone remodeling

    Explanation: Bone remodeling occurs in response to increased stress, unlike bone resorption.

  18. Question 18

    Q18. A person with a joint disease experiences pain and limited mobility. Which type of joint is most prone to degenerative changes?

    • A) Ball-and-socket joint
    • B) Hinge joint
    • C) Pivot joint
    • D) Saddle joint

    Answer: Hinge joint

    Explanation: Hinge joints are most prone to degenerative changes, unlike ball-and-socket joints.

  19. Question 19

    Q19. An individual with a muscle injury experiences pain and limited mobility. Which type of muscle healing occurs through the formation of scar tissue?

    • A) Primary healing
    • B) Secondary healing
    • C) Tertiary healing
    • D) Quaternary healing

    Answer: Secondary healing

    Explanation: Secondary healing occurs through scar tissue formation, unlike primary healing.

  20. Question 20

    Q20. A person with a bone cancer experiences pain and limited mobility. Which type of bone cell is responsible for producing abnormal bone tissue?

    • A) Osteoblast
    • B) Osteoclast
    • C) Osteocyte
    • D) Chondrocyte

    Answer: Osteoblast

    Explanation: Osteoblasts produce abnormal bone tissue, unlike osteoclasts.

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