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

Subtopic:  Disorders of Muscular and Skeletal System |
 82%
From NCERT
AIPMT - 2012
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Low Ca2+ in the body fluid may be the cause of:

1. tetany

2. anaemia

3. angina pectoris

4. gout

Subtopic:  Disorders of Muscular and Skeletal System |
 92%
From NCERT
AIPMT - 2010
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Elbow joint is an example of:

1. Pivot joint

2. Hinge joint

3. Glinding joint

4. ball and socket joint

Subtopic:  Fibrous & Catilaginous Joints | Synovial Joint |
 78%
From NCERT
AIPMT - 2009
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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
Subtopic:  Appendicular Skeleton: Girdle |
 77%
From NCERT
AIPMT - 2009
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In human body, which one of the following is anatomically correct?

1.Floating ribs-2 pairs2.Collar bones-3 pairs
3.Salivary glands-1 pair4.Cranial nerves-10 pairs
Subtopic:  Sternum & Ribs |
 90%
From NCERT
AIPMT - 2007
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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

Subtopic:  Sternum & Ribs |
 75%
From NCERT
AIPMT - 2008
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The contractile protein of skeletal muscle involving ATPase activity is:

1. tropomyosin

2. myosin

3. α-actinin

4. troponin

Subtopic:  Skeletal Muscle: Myofilaments |
 70%
From NCERT
AIPMT - 2006
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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.

Subtopic:  Skeletal Muscle: Sarcomere |
 60%
From NCERT
AIPMT - 2013
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Select the correct statement with respect to locomotion in humans:

1. Accumulation of uric crystals in joints causes inflammation
2. The vertebral column has 10 thoracic vertebrae
3. The joint between adjacent vertebrae is a fibrous joint 
4. The decreased level of progesterone causes osteoporosis in old people

Subtopic:  Disorders of Muscular and Skeletal System |
 82%
From NCERT
AIPMT - 2013
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Stimulation of a muscle fiber by a motor neuron occurs at:

1. the neuromuscular junction

2. the transverse tubules

3. the myofibril

4. the sarcoplasmic reticulum

Subtopic:  Muscle Contraction: Other Considerations |
 92%
From NCERT
AIPMT - 2014
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