All vertebrates have a reserve of high-energy……..for violent exercise.
a) sulphate
b) carbonate
c) phosphate
d) all of these
Explanation: the high energy phosphate is called phosphocreatin
Phosphocreatin is broken into……during violent muscular exercise.
a) high energy phosphate group
b) creatin
c) calcium
d) both a and b
How much % of total energy expended in muscular contraction utilized for work?
a) 20
b) 35
c) 40
d) 65
How much % of total energy expended in muscular contraction liberated as heat?
a) 20
b) 35
c) 40
d) 65
Explanation: this heat is employed for body temperature
Which of the following is/are the characteristic/s of muscle cramp?
a) involuntary control
b) sudden
c) spasm in muscle
d) all of these
When muscular cramp occurs?
a) after exercise and dehydration
b) straining or over using and lack of minerals
c) nerve malfunction and lack of blood supply to muscle
d) all of these
