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Support And Movement Set 2
Results
#1.
Which of the following is the range of diameter of a skeletal muscle fibre?
10-100
10-100
100-200
100-200
300-400 um
300-400 um
500-600 um
500-600 um
#2.
Which of the following are contractile subunits present in each muscle fibre?
Myofilaments
Myofilaments
Myofibrils
Myofibrils
Myosin
Myosin
Actin
Actin
#3.
The cell membrane enclosing the fibre is called:
Plasmolema
Plasmolema
Endolema
Endolema
Sarcolemma
Sarcolemma
Atolemma
Atolemma
#4.
Myofilaments within the sarcoplasmic envelope run:
Transversally
Transversally
Longitudinally
Longitudinally
Obliquely
Obliquely
Radially
Radially
#5.
The Myofilaments are made up of
Glycogen
Glycogen
Steroids
Steroids
Cellulose
Cellulose
Proteins
Proteins
#6.
Which of the following make up thick filament of the myofibril?
actin
actin
Pectin
Pectin
Myosin
Myosin
Lysine
Lysine
#7.
The impulse received from the supply to the muscle release:
K++
K++
Na+
Na+
Mg+
Mg+
Ca++
Ca++
#8.
When a muscle fibre receives an impulse from the nerve it
Contracts
Contracts
Expands
Expands
Remains unaffected
Remains unaffected
None of these
None of these
#9.
The tricep brachii muscle possesses:
One head
One head
Two heads
Two heads
Three heads
Three heads
Many heads
Many heads
#10.
How many bones take part in the formation of cranium in man?
8
8
10
10
15
15
20
20
Finish
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