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 |
List I (Type of Joint) | List II (Found between) | ||
A. | Cartilaginous Joint | I. | Between flat skull bones |
B. | Ball and Socket Joint | II. | Between adjacent vertebrae in vertebral column |
C. | Fibrous Joint | III. | Between carpal and metacarpal of thumb |
D. | Saddle Joint | IV. | Between Humerus and Pectoral girdle |
Options: | A | B | C | D |
1. | II | IV | III | I |
2. | III | I | II | IV |
3. | II | IV | I | III |
4. | I | IV | III | II |
A: | Muscle bundles are held together by collagenous connective tissue layer called fascicle. |
B: | Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions. |
C: | Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins. |
D: | M line is considered as functional unit of contraction called sarcomere. |
1. | C and D only | 2. | A, B and C only |
3. | B and C only | 4. | A, C and D only |
List-I | List-II | ||
(A) | Palm bones | (I) | Phalanges |
(B) | Wrist bones | (II) | Metacarpals |
(C) | Ankle bones | (III) | Carpals |
(D) | Digit bones | (IV) | Tarsals |
Options: | (A) | (B) | (C) | (D) |
1. | II | III | I | IV |
2. | IV | I | II | III |
3. | III | IV | I | II |
4. | II | III | IV | I |
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. | 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. |
1. | Neuro-muscular junction |
2. | Motor end plate |
3. | Sarcomere |
4. | Motor unit |