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

Hypocalcemia may lead to:-

1. Kidney stones
2. Cholelithiasis
3. Stronger muscle contractions
4. Tetany

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

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