1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.
A
Calcium
B
Magnesium
C
Sodium
D
Potassium
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Osteoporosis, an age-related disease of skeletal system, may occur due to
A
immune disorder affecting neuromuscular junction leading to fatigue
B
high concentration of Ca++ and Na+
C
decreased level of estrogen
D
accumulation of uric acid leading to inflammation of joints.
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Lack of relaxation between successive stimuli in sustained muscle contraction is known as
A
tetanus
B
tonus
C
spasm
D
fatigue.
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Which of the following is not a function of the skeletal system?
A
Production of body heat
B
Locomotion
C
Production of erythrocytes
D
Storage of minerals
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