Locomotion and Movement

Elbow joint is an example of

1. hinge joint
2. gliding joint
3. ball and socket joint
4. pivot joint.

Which one of the following items gives its correct total number?

1. Types of diabetes-3
2. Cervical vertebrae in humans-8
3. Floating ribs in humans-4
4. Amino acids found in proteins-16

In human body, which one of the following is anatomically correct?

1. Collar bones - 3 pairs
2. Salivary glands - 1 pair
3. Cranial nerves - 10 pairs
4. Floating ribs - 2 pairs

The contractile protein of skeletal muscle involving ATPase activity is

1. troponin
2. tropomyosin
3. myosin
4. -actinin.

An acromion process is characteristically found in the

1. pelvic girdle of mammals
2. pectoral girdle of mammals
3. skull of frog
4. sperm of mammals.

Which of the following pairs is correctly matched?

1. Hinge joint – Between vertebrae
2. Gliding joint – Between zygapophyses of the successive vertebrae
3. Cartilaginous joint – Skull bones
4. Fibrous joint – Between phalanges

What will happen if ligaments are torn?

1. Bones will move freely at joint and no pain.
2. Bone less movable at joint and pain.
3. Bone will become unfixed.
4. Bone will become fixed.

Which statement is correct for muscle contraction?

1. Length of H-zone decreases
2. Length of A-band remains constant
3. Length of I-band increases
4. Length of two Z-line increases

What is sarcomere?

1. Part between two H-lines
2. Part between two A-lines
3. Part between two I-bands
4. Part between two Z-lines

Sternum is connected to ribs by

1. bony matter
2. white fibrous cartilage
3. hyaline cartilage
4. areolar tissue