The globular head of the myosin filament has active site/s for binding to:
I. ATP
II. the binding site for actin filament
III. Calcium
1. Only I
2. Only I and II
3. Only II and III
4. I, II, and III
Scapula is a large triangular flat bone situated in the dorsal part of the thorax between:
1. the second and fifth ribs
2. the second and seventh ribs
3. the third and sixth ribs
4. the third and eighth ribs
The combination of a neuron and the muscle fiber it associates with is called a/an.
1. fascicle
2. motor end plate
3. motor unit
4. myoneural junction
The upper ends of the forearm bones articulate with each other in a:
1. pivot joint
2. ellipsoid joint
3. saddle joint
4. hinge joint
Which of the following is a hinge point?
1. At the base of the first metacarpal
2. Intervertebral disc
3. Interphalageal
4. Between carpal bone
Consider the following statements:
I. A motor neuron along with the muscle fibres connected to it constitute a motor unit
II. The neurotransmitter released at the neuro-muscular junction is Acetylcholine.
III. Myosin head has ATPase activity.
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II, and III
Consider the following statements:
I. | Myasthenia gravis is an autoimmune disorder affecting the neuromuscular junction |
II. | Muscular dystrophy is a progressive degeneration of skeletal muscles mostly due to a genetic disorder |
III. | Tetany is rapid spasms in muscles due to high Ca++ in body fluid. |
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Consider the following statements:
I. Proximal radioulnar joint is a type of ellipsoidal joint.
II. The first carpo-metacarpal joint is a saddle joint.
III. Gleno-humeral joint is a ball and socket joint.
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II, and III
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I |
Column II |
I. Smooth muscle II. Skeletal muscle III. Cardiac muscle |
1. Striated, voluntary 2. Non-Striated, involuntary 3. Striated, Involuntary |
Codes:
I II III
1. 1 2 3
2. 3 1 2
3. 2 1 3
4. 1 3 2
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I |
Column II |
I. Acetabulum II. Glenoid Cavity III. Vertebrosternal ribs IV. Vertebrochondral ribs |
1. Pectoral girdle 2. Pelvic girdle 3. 7 pairs 4. 3 pairs |
Codes
I II III IV
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 1 2 4 3