A shallow depression in the scapula which receives the head of the upper arm bone is known as the
Options
(a) Acetabulum (b) Neural arch (c) Glenoid cavity (d) None of the above
Which one of the following sets of ions is necessary in the chemical events for muscle contraction?
Options
(a) Na⁺ and K⁺ (b) Na⁺ and Ca⁺⁺ ions (c) Na⁺ and Mg⁺⁺ ions (d) […]
Which of the following yield ATP during contraction of muscles?
Options
(a) myoglobin (b) creatinine phosphate (c) haemoglobin (d) myosin
Correct Answer:
creatinine phosphate
Explanation:
Creatine phosphate is a phosphagen, which is a […]
Which of the following structures or regions is incorrectly paired with its functions?
Options
(a) Corpus callosum: band of fibers connecting left and right cerebral hemispheres. (b) Hypothalamus: production of releasing hormones and […]
Which of the following ions help in muscle contraction?
Options
(a) K⁺ and Mg⁺⁺ (b) Na⁺ and K⁺ (c) Ca⁺⁺ and Na⁺ (d) Ca⁺⁺ and Mg⁺⁺
Correct Answer:
Ca⁺⁺ and Mg⁺⁺
Explanation:
Ca²⁺ […]
Which of the following bones and form a link between axial and appendicular skeleton?
Options
(a) first rib (b) clavicle (c) scapula (d) Both first rib & clavicle
Correct Answer:
clavicle
Explanation:
Clavicle […]
Where did an epidemic bone softening disease, Itai-Itai occur first?
Options
(a) South Korea (b) Japan (c) China (d) Burma
Correct Answer:
Japan
Explanation:
Epidemic bone softening disease, ‘Itai-Itai’ was first seen in […]
When EDTA is injected into the muscles it combines with Caᶧᶧ ions and then
Options
(a) contraction occurs (b) little contraction occurs (c) no contraction (d) high contraction occurs
Correct Answer:
no contraction
When a muscle bends one part upon the other, it is called
Options
(a) abductor (b) regulator (c) extremor (d) flexor
Correct Answer:
flexor
Explanation:
Flexor muscle bends one part of a limb […]
Upon stimulation of skeletal muscles calcium is immediately made available for binding to troponin from
Options
(a) blood (b) lymph (c) sarcoplasmic reticulum (d) bone
Correct Answer:
sarcoplasmic reticulum
Explanation:
The sarcoplasmic reticulum […]
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