Which of the following bones is not a part of human cranium?
1.
Sphenoid
2.
Maxilla
3.
Ethmoid
4.
Occipital
Subtopic: Number of Bone in Axial Skeleton | Axial Skeleton |
84%
Level 1: 80%+
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Subtopic: Number of Bone in Appendicular Skeleton |
65%
Level 2: 60%+
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Identify the incorrect statement regarding the ultra-structure of a skeletal muscle:
| 1. | Z lines bisect the I band |
| 2. | G actin is a polymer of F actins |
| 3. | A subunit of troponin masks active binding sites for myosin on the actin filament. |
| 4. | Globular head of myosin has ATPase activity. |
Subtopic: Skeletal Muscle: Myofilaments |
77%
Level 2: 60%+
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Which of the following is not a correctly matched pair?
| 1. | Ear ossicles | Total 6 in number |
| 2. | Pubic symphysis | Fibrous cartilage |
| 3. | Gliding joint | Between atlas and axis vertebrae |
| 4. | Scapula | Glenoid cavity |
Subtopic: Fibrous & Catilaginous Joints |
83%
Level 1: 80%+
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The increase of the level of which of the following in the sarcoplasm of a skeletal muscle fibre will lead to the contraction of a muscle?
1. Acetylcholine
2. ATP
3. Calcium ions
4. Troponin C
1. Acetylcholine
2. ATP
3. Calcium ions
4. Troponin C
Subtopic: Excitation Contraction Coupling I | Excitation Contraction Coupling II | Sliding Filament Theory |
85%
Level 1: 80%+
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All the following are examples of synovial joints except:
1. joint between carpal bones
2. joint between adjacent thoracic vertebrae
3. joint between atlas and axis vertebra
4. joint between the humerus and pectoral girdle
1. joint between carpal bones
2. joint between adjacent thoracic vertebrae
3. joint between atlas and axis vertebra
4. joint between the humerus and pectoral girdle
Subtopic: Fibrous & Catilaginous Joints | Synovial Joint |
81%
Level 1: 80%+
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The facial skeleton bones in the human skull do not include:
| 1. | Zygomatic | 2. | Sphenoid |
| 3. | Nasal | 4. | Maxilla |
Subtopic: Axial Skeleton |
77%
Level 2: 60%+
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The ‘H-zone’ in a sarcomere:
| 1. | is the central part of thick filaments not overlapped by thin filaments |
| 2. | is the peripheral part of thick filaments not overlapped by thin filaments |
| 3. | is the central part of thick filaments overlapped by thin filaments |
| 4. | is the peripheral part of thick filaments overlapped by thin filaments |
Subtopic: Skeletal Muscle: Sarcomere |
86%
Level 1: 80%+
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The coxal bone in the human skeleton:
| 1. | is a part of the pectoral girdle, has a glenoid cavity that articulates with the head of the femur. |
| 2. | is a part of the pelvic girdle, has an acetabulum that articulates with the head of the humerus. |
| 3. | is a part of the pelvic girdle and is formed by the fusion of three bones. |
| 4. | is a part of pectoral girdle and is formed by the fusion of three bones. |
Subtopic: Appendicular Skeleton | Appendicular Skeleton: Girdle |
80%
Level 1: 80%+
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Identify the incorrectly matched pair:
| 1. | Myasthenia gravis | Autoimmune disorder affecting neuro-muscular junction |
| 2. | Tetany | Spasms in muscle due to high Ca2+ in body fluids |
| 3. | Osteoporosis | Decreased bone mass is commonly due to decreased levels of estrogen |
| 4. | Gout | Inflammation of joints due to accumulation of uric acid crystals |
Subtopic: Disorders of Muscular and Skeletal System |
88%
Level 1: 80%+
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