The human ribs are termed as bicephalic because:
1. | They have two articulations surfaces on their ventral end. |
2. | They have two articulations surfaces on their dorsal end. |
3. | They have two articulations surfaces on their ventral end and two on the dorsal end. |
4. | They have two articulations surfaces on their ventral end and one on the dorsal end. |
The clavicle is articulated with the:
1. Xiphoid process of the sternum
2. Acromion of the scapula
3. Glenoid cavity of the scapula
4. Head of the humerus
Identify the incorrectly matched pair:
Joint Type
1. Proximal radio-ulnar joint Pivot
2. Joint between the carpals Gliding
3. Joint between metacarpal of Saddle
thumb and phalange
4. Humero-ulnar joint Hinge
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
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
In the given diagram of the lower limb bones of a human, a sesamoid bone is depicted by the letter:
1. A
2. B
3. C
4. D
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