Which of the following diseases is an auto-immune disorder?
1. Myasthenia gravis
2. Arthritis
3. Osteoporosis
4. Gout
Match the following joints with the bones involved:
Column-I | Column-II | ||
(a) | Gliding joint | (i) | Between carpal and metacarpal of thumb |
(b) | Hinge joint | (ii) | Between Atlas and Axis |
(c) | Pivot joint | (iii) | Between the Carpals |
(d) | Saddle joint | (iv) | Between Humerus and Ulna |
Select the correct option from the following:
(a) | (b) | (c) | (d) | |
1. | (iii) | (iv) | (ii) | (i) |
2. | (iv) | (i) | (ii) | (iii) |
3. | (iv) | (ii) | (iii) | (i) |
4. | (i) | (iii) | (ii) | (iv) |
Select the correct option.
1. | There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs. |
2. | 8th, 9th and 10th pairs of ribs articulate directly with the sternum. |
3. | 11th and 12th pairs of ribs are connected to the sternum with the help of hyaline cartilage. |
4. | Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum. |
Which of the following muscular disorders is inherited?
1. Botulism
2. Tetany
3. Muscular dystrophy
4. Myasthenia gravis
The contractile protein of skeletal muscle involving ATPase activity is:
1. tropomyosin
2. myosin
3. α-actinin
4. troponin
Which one of the following items gives its correct total number?
1. Floating ribs in humans - 4
2. Amino acids found in proteins - 16
3. Types of diabetes - 3
4. Cervical vertebrae in humans - 8
In human body, which one of the following is anatomically correct?
1. | Floating ribs-2 pairs | 2. | Collar bones-3 pairs |
3. | Salivary glands-1 pair | 4. | Cranial nerves-10 pairs |
Which one of the following is the correct matching of three items and their grouping category?
Items | Group | |
1. | Malleus, incus cochlea | Ear ossicles |
2. | Ilium, ischium, pubis | Coxal bones of pelvic girdle |
3. | Actin, myosin rhodopsin | Muscle proteins |
4. | Cytosine, uracil thiamine | pyrimidines |
Select the correct statement regarding the specific disorder of muscular or skeletal system.
1. | Muscular dystrophy - age-related shortening of muscles |
2. | Osteoporosis- decrease in bone mass and higher chances of fractures with advancing age |
3. | Myasthenia gravis- an autoimmune disorder which inhibits the sliding of myosin filaments |
4. | Gout- inflammation of joints due to extra deposition of calcium |
The H-zone in the skeletal muscle fibre is due to:
1. | The central gap between myosin filaments in the A-band. |
2. | The central gap between actin filaments extends through myosin filaments in the A-band. |
3. | Extension of myosin filaments in the central portion of the A-band |
4. | The absence of myofibrils in the central portion of the A-band. |