1. | Neuro-muscular junction |
2. | Motor end plate |
3. | Sarcomere |
4. | Motor unit |
1. | Myasthenia gravis | An auto-immune disorder affecting neuromuscular junction leading to fatigue, weakening and paralysis of skeletal muscle. |
2. | Muscular dystrophy | Progressive degeneration of skeletal muscle mostly due to a genetic disorder. |
3. | Tetany | Rapid spasms (wild contractions) in muscle due to high Ca2+ in body fluid. |
4. | Gout | Inflammation of joints due to accumulation of uric acid crystals. |
Column I | Column II | ||
A | Gliding joint | P | Base of thumb |
B | Saddle joint | Q | Between atlas and axis |
C | Pivot joint | R | Suture in skull |
D | Fibrous joint | S | Between carpal bones |
A | B | C | D | |
1. | P | Q | R | S |
2. | Q | R | S | P |
3. | R | S | P | Q |
4. | S | P | Q | R |
1. | A band | 2. | Sarcomere |
3. | H-zone | 4. | I band |
Each half of pectoral girdle consists of:
1. | one bone | 2. | two bones |
3. | four bones | 4. | six bones |
What neurotransmitter is released by the anterior motor neuron at the neuro-muscular junction?
1. | Dopamine | 2. | Norepinephrine |
3. | Acetylcholine | 4. | Adrenaline |
Glenoid cavity and acetabulum are parts, respectively, of:
1. | Scapula and humerus | 2. | Coxal bone and femur |
3. | Scapula and coxal bone | 4. | Coxal bone and scapula |