Support and Movement | Sindh Mdcat NTS Past Papers MCQs | mosaicbro.com

Support and Movement | Sindh Mdcat NTS Past Papers MCQs

7 of 50 questions (Page 4 of 8)

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22 What is the correct sequence of the bones in the arm of a mammal, from the hand to the shoulder?
Correct Answer: C
Explanation: Sequence: Hand (carpals/metacarpals) → Radius/ulna → Humerus → Scapula.
23 Hinge-joint occurs in:
Correct Answer: A
Explanation: The elbow is a classic hinge joint, permitting flexion/extension.
24 Joints found at the vertebrae are:
Correct Answer: A
Explanation: Vertebral joints are gliding (plane) joints, allowing limited sliding movements.
25 When a physician elicits the knee-jerk reflex by tapping deep tendons in the knee, the normal response is for the leer leg to swing forward. When this happens:
Correct Answer: A
Explanation: The knee-jerk reflex involves quadriceps (front thigh) contraction and hamstring (back thigh) relaxation.
26 The diagram shows some of the muscles and bones of the human arm. When muscle X contracts, what happens to the arm and what happens to muscle Y?
Correct Answer: C
Explanation: If muscle X is the biceps (flexor), contraction bends the arm while the triceps (extensor) relaxes.
27 Bones of the skull are joined by:
Correct Answer: A
Explanation: Skull bones are fused by fixed joints (sutures).
28 The muscles attached to the bones are:
Correct Answer: C
Explanation: Skeletal muscles are voluntary and striated.
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