Q. No.The first carpometacarpal joint at the base of the thumb is a:
1.
ellipsoidal joint
2.
pivot joint
3.
saddle joint
4.
gliding joint
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Pain and inflammation that occur when too much uric acid crystallizes and deposits in the joints are known as:
| 1. | gout | 2. | osteoarthritis |
| 3. | osteoporosis | 4. | rheumatoid arthritis |
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| Assertion (A): | Shortening of myofilaments leads to the shortening of the muscle. |
| Reason (R): | Only the actin myofilaments shorten while the length of the myosin myofilaments remains the same during the muscle shortening. |
In the light of the above statements choose the correct answer from the options given below:
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
| Assertion (A): | Hypocalcemia is the primary cause of tetany. |
| Reason (R): | Hypocalcemia increases neuronal excitability |
In the light of the above statements choose the correct answer from the options given below:
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
| Assertion (A): | Slow twitch fibers can sustain action for a long period of time without fatigue. |
| Reason (R): | They can respire anaerobically by using a large store of glycogen and high concentration of glycolytic enzymes. |
In the light of the above statements choose the correct answer from the options given below:
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
The fibrous joint between skull bones is called as:
| 1. | gomphoses | 2. | syndesmoses |
| 3. | symphysis | 4. | sutures |
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Classification of joints is done on the basis of:
I. the connective tissue that binds the bones together
II. the degree of motion at each joint
III. the number of bones that articulate with each other
IV. the embryonic tissue that formed the joint
| 1. I, II and III | 2. II and III |
| 3. I, II, III and IV | 4. I and II |
Cross bridge formation during muscle contraction involves:
| 1. | troponin and actin | 2. | tropomyosin and myosin |
| 3. | myosin and troponin | 4. | myosin and actin |
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What happens during the contraction of a skeletal muscle fiber?
| 1. | The myosin filaments stay the same size but the actin filaments shorten |
| 2. | The sarcomeres shorten |
| 3. | The actin filaments stay the same size but the myosin filaments shorten |
| 4. | Both actin and myosin filaments shorten |
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