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WorksheetsNEUROMUSCULAR DISORDER OF SKELETAL MUSCLE
Total questions: 10
Worksheet time: 6mins
What is the type II classification of skeletal muscle fibres?
Slow oxidative and fast oxidative
Fast glycolytic oxidative and fast oxidative
Slow oxidative and fast glycolytic oxidative
Which of these are the causes of Myasthenia Gravis?
Blocking of AChR by AChR antibody
MuSK antibodies attack MuSK at the presynaptic membrane
Presence of benign tumour in thymus gland
All of the above
What made up F-actin helix?
Troponin-tropomyosin complex
Myosin cross-heads
The active sites of actin
A group of polymerized G-actin molecules
If there is no ATP in the cross bridge cycle, the myosin head cannot detach from the actin filament. This will result in the condition called
Tetanus
Rigor Mortis
Muscle spasm
Myasthenia Gravis
Which is the protein whose production is affected in Duchenne Muscular Dystrophy?
Leucovorin
Dystrophin
Myotropin
Actin
Myosin molecules are composed by
4 light chains only
2 heavy chains only
2 light chains and 4 heavy chains
2 heavy chains and 4 light chains
Which of these is the primary factor of SCLC-Lambert-Eaton Syndrome
Presence of Small Cell Lung Carcinoma
Humoral auto-immune response
The blocking of Voltage-Gated Calcium Channel
Less Muscle Contraction
A 28 years old male presented with a deformity on his left shoulder and pain while doing labour activity. Apart from that, he also finds it difficult to fully pull the arm to the side of the body. Which portion of the shoulder muscle is most likely to be injured?
Lateral portion
Medial portion
Middle portion
Posterior portion
Which arrangement of skeletal muscle fibres of the tibial anterior?
Circumpennate
Multipennate
Bipennate
Unipennate
Botulinum toxin, is a type of neurotoxin that affect
Synaptic cleft
AChR
Presynaptic membrane
AChE
