Muscles and Neuromusclar Junction

A. Troponin
B. Myosin
C. Actin
D. Protein- C

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

A. Extracellular Ca+2
B. Sarcoplasmic ca+2
C. Extracellular Na+
D. Intracellular Na+

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

A. Skeletal and cardiac
B. Smooth and cardiac
C. Smooth and skeletal
D. All of the above

A. white and brown
B. White and yellow
C. White and gray
D. White and red

A. Insufficient neurotransmitter
B. Depletion of intracellular Na+
C. Inactivation of Na+ k+ ATPase
D. Voltage inactivation of the Na+ channel

A. Adaptation
B. Accommodation
C. Refractoriness
D. Electrotonus

A. Laryngeal muscles
B. Pharyngeal muscles
C. Muscles of middle ear
D. Extraocular muscles