The pulley like structure of the humerus that articulates with ulna to form a hinge joint is:
1. medial epicondyle.
2. lateral epicondyle.
3. capitulum.
4. trochlea.

With respect to the human upper limb, identify the incorrectly matched pair:
1. Number of bones in arm: 1
2. Number of bones in forearm: 2
3. Number of bones in wrist: 10
4. Number of bones in fingers: 14

Which of the following joints would allow no movement?
1. Fibrous joint
2. Cartilaginous joint
3. Synovial joint
4. Ball and socket joint

The pivot joint between the atlas and axis is a type of
1. fibrous joint
2. cartilaginous joint
3. synovial joint
4. saddle joint

Name the ion responsible for the unmasking of active sites for myosin for cross-bridge activity during muscle contraction.

Lack of relaxation between successive stimuli in sustained muscle contraction is known as
1. fatigue
2. tetanus
3. tonus
4. spasm

Which of the following is not a function of the skeletal system?
1. Production of erythrocytes
2. Storage of minerals
3. Production of body heat
4. Locomotion

Select the correct matching of the type of the joint with the example in the human skeletal system

1. Cartilaginous joint - between frontal and parietal
2. Pivot joint - between third and fourth Cervical vertebrae
3. Hinge joint - between humerus and pectoral girdle
4. Gliding joint - between carpals

In human body, which one of the following is anatomically correct?
1. Floating ribs-2 pairs
2. Collar bones-3 pairs
3. Salivary glands-1 pair
4. Cranial nerves-10 pairs

The contractile protein of skeletal muscle involving ATPase activity is:
1. tropomyosin
2. myosin
3. α-actinin
4. troponin