A. To study muscle activity
B. Determine class II malocclusion
C. Determine the centric relation
D. Determine the centric occlusion
Electromyography is used for________________? Read More »
Medical Mcqs, Muscles and Neuromusclar Junction, Physiology Mcqs A. Contracts when calcium is taken up by sarcoplasmic reticulum
B. Contracts when actin and myosin filaments shorten
C. Contraction is initiated by calcium binding to troponin
D. Contraction is initiated by calcium binding to tropomyosin
Skeletal muscles______________? Read More »
Medical Mcqs, Muscles and Neuromusclar Junction, Physiology Mcqs A. Sarcolemma
B. Sarcoplasm
C. Myofibril
D. Endomysium
The contractile element in a skeletal muscle is present in______________? Read More »
Medical Mcqs, Muscles and Neuromusclar Junction, Physiology Mcqs A. Contraction of skeletal muscle
B. Decrease of heart rate
C. Secretion of saliva
D. Contraction of pupils
Which is caused by acetylcholine through nicotinic receptors_____________? Read More »
Medical Mcqs, Muscles and Neuromusclar Junction, Physiology Mcqs A. Troponin
B. Myosin
C. Actin
D. Protein- C
Which one of the following is a regulatory protein of the muscle ? Read More »
Medical Mcqs, Muscles and Neuromusclar Junction, Physiology Mcqs A. Contracts when calcium is taken up by sarcoplasmic reticulum
B. Contracts when actin and myosin filaments shorten
C. Contraction is initiated by calcium binding to troponin
D. Contraction is initiated by calcium binding to tropomyosin
Skeletal muscles_____________? Read More »
Medical Mcqs, Muscles and Neuromusclar Junction, Physiology Mcqs A. Extracellular Ca+2
B. Sarcoplasmic ca+2
C. Extracellular Na+
D. Intracellular Na+
Cardiac muscle contracts due to______________? Read More »
Medical Mcqs, Muscles and Neuromusclar Junction, Physiology Mcqs A. Inhibitory post synaptic potential
B. Miniature end plate potential
C. Action potential
D. End plate potential
A. Net current in an outward direction
B. Cell interior becomes more negative
C. Cell interior becomes less negative
D. None of the above
Upstroke of action potential would lead to________________? Read More »
Medical Mcqs, Muscles and Neuromusclar Junction, Physiology Mcqs A. Skeletal and cardiac
B. Smooth and cardiac
C. Smooth and skeletal
D. All of the above
The main types of muscle cells are______________? Read More »
Medical Mcqs, Muscles and Neuromusclar Junction, Physiology Mcqs