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1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Select the correct statement with respect to disorders of muscles in humans.
A
Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing.
B
Accumulation of urea and creatine in the joints causes their inflammation.
C
An overdose of vitamin D causes osteoporosis.
D
Rapid contractions of skeletal muscles cause muscle dystrophy.
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
During muscle contraction in humans, the
A
sarcomere does not shorten
B
A band remains same
C
A, H and I bands shorten
D
actin filaments shorten.
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The H-zone in the skeletal muscle fibre is due to
A
the central gap between actin filaments extending through myosin filaments in the A-bond
B
extension of myosin filaments in the central portion of the A-band
C
the absence of myofibrils in the central portion of A-band
D
the central gap between myosin filaments in the A-band.
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Select the correct statement with respect to locomotion in humans.
A
The vertebral column has 10 thoracic vertebrae.
B
The joint between adjacent vertebrae is a fibres joint.
C
A decreased level of progesterone causes osteoporosis in old people.
D
Accumulation of uric acid crystals in joints causes their inflammation.
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