- (A) Propagation
- (B) All or none law
- (C) Depolarization
- (D) Hyper polarization
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- (A) Laryngeal muscles
- (B) Pharyngeal muscles
- (C) Muscles of middle ear
- (D) Extraocular muscles
- (A) Adaptation
- (B) Accommodation
- (C) Refractoriness
- (D) Electrotonus
- (A) Insufficient neurotransmitter
- (B) Depletion of intracellular Na+
- (C) Inactivation of Na+ k+ ATPase
- (D) Voltage inactivation of the Na+ channel
- (A) white and brown
- (B) White and yellow
- (C) White and gray
- (D) White and red
- (A) Skeletal and cardiac
- (B) Smooth and cardiac
- (C) Smooth and skeletal
- (D) All of the above
- (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) Inhibitory post synaptic potential
- (B) Miniature end plate potential
- (C) Action potential
- (D) End plate potential
- (A) Extracellular Ca+2
- (B) Sarcoplasmic ca+2
- (C) Extracellular Na+
- (D) Intracellular Na+
- (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
