<Question No:1

Which one of the following pairs of structures is correctly matched with their corrected description?
Structures—Description

[A] Tibia and fibula—> Both form parts of knee joint
[B] Cartilage and cornea—> No blood supply but do require oxygen for respiratory need
[C] Shoulder joint and elbow joint—> Ball and socket type of joint
[D] Premolars and molars—> 20 in all and 3 rooted



Question No:2

Which one of the following is the correct description of a certain part of a normal human skeleton?

[A] Parietal bone and the temporal bone of the skull are joined by fibrous joint
[B] First vertebra is axis which articulates with the occipital condyles
[C] The 9th and 10th pairs of ribs are called the floating ribs
[D] Glenoid cavity is a depression to which the thigh bone articulates



Question No:3

There of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair
Pair of skeletal parts– Category

[A] Sternum and ribs– Axial skeleton
[B] Clavicle and glenoid cavity– Pelvic girdle
[C] Humerus and ulna– Appendicular skeleton
[D] Malleus and stapes– Ear ossicles



Question No:4

Which one of the following pairs of chemical substances is correctly categorized?

[A] Pepsin and prolactin – Two digestive enzymes secreted in stomach
[B] Troponin and myosin – Complex proteins in striated muscles
[C] Secretin and rhodopsin – Polypeptide hormones
[D] Calcitonin and thymosin – Thyroid hormones



Question No:5

Select the correct statement regarding the specific disorder of muscular or skeletal system:

[A] Muscular dystrophy: age related shortening of muscles
[B] Osteporosis: decrease in bone mass and higher chances of fractures with advancing age
[C] Myasthenia gravis: Auto immune disorder which inhibits sliding of myosin filaments
[D] Gout: inflammation of joints due to extra deposition of calcium



Question No:6

The H — zone in the skeletal muscles fibre is due to:

[A] The absence of myofibrils in the central portion of A-band
[B] The central gap between myosin filaments in the A – band
[C] The central gap between act in filaments extending through myosin filaments in the A – band
[D] Extension of myosin filaments in the central portion of the A – band



Question No:7

Select the correct statement with respect to locomotion in humans:

[A] A decreased level of progesterone causes osteoporosis in old people
[B] Accumulation of uric acid crystals in joints causes their inflammation
[C] The vertebral column has 10 thoracic vertebrae
[D] The joint between adjacent vertebrae is a fibrous joint



Question No:8

The characteristics and an example of a synovial joint in humans is:
Characteristics— Examples

[A] Fluid cartilage between two bones, limited movements —> Knee joint
[B] Fluid filled between two joints, provides cushion —> Skull bones
[C] Fluid filled synovial cavity between two bones —> Joint between atlas and axis
[D] Lymph filled between two bones, limited movement —> Gliding joint between carpals



Question No:9

Select the correct matching of the type of the joint with the example in human skeletal system:
Type of joint—- Example

[A] Cartilaginous joint— Between frontal and pariental
[B] Pivot joint– Between third and fourth cervical vertebrae
[C] Hinge joint —Between humerus and pectoral girdle
[D] Gliding joint— Between carpals



Question No:10

Stimulation of a muscle fiber by a motor neuron occurs at:

[A] The neuromuscular junction
[B] The transverse tubules
[C] The myofibril
[D] The sacroplasmic reticulum



Question No:11

Sliding filament theory can be best explained as:

[A] When myofilaments slide pass each other Actin filaments shorten while Myosin filament do not shorten
[B] Actin and Myosin filaments shorten and slide pass each other
[C] Actin and Myosin filaments do not shorten but rather slide pass each other
[D] When myofilaments slide pass each other, Myosin filaments shorten while Actin filaments do not shorten



Question No:12

Glenoid cavity articulates :

[A] Clavicle with acromion
[B] Scapula with acromion
[C] Clavicle with scapula
[D] Humerus with scapula



Question No:13

Which of the following joints would hallow no movement?

[A] Cartilaginous joint
[B] Synovial joint
[C] Ball and Socket joint
[D] Fibrous joint



Question No:14

Which of the following is not a function of the skeletal system?

[A] Storage of minerals
[B] Production of body heat
[C] Locomotion
[D] Production of erythrocytes