Pacemaker activity
A) refers to spontaneous depolarizations of the membrane resulting from shifts in passive ionic fluxes accompanying automatic changes in channel permeability
B) refers to spontaneous depolarizations of the membrane due to cyclical changes in Na+-K+ pump activity
C) is characteristic of single-unit smooth muscle but not found in any other muscle type
D) refers to spontaneous depolarizations of the membrane resulting from shifts in passive ionic fluxes accompanying automatic changes in channel permeability, and is characteristic of single-unit smooth muscle but not found in any other muscle type
E) refers to spontaneous depolarizations of the membrane due to cyclical changes in Na+-K+ pump activity, and is characteristic of single-unit smooth muscle but not found in any other muscle type
Correct Answer:
Verified
Q82: The stretch receptors in the central portion
Q83: A functional syncytium
A) refers to a pair
Q84: Which of the following muscle types are
Q85: Which statement is incorrect?
A) Smooth muscle can
Q86: Stretch reflexes are important
A) for maintaining balance
Q88: Which is not characteristic of smooth muscle?
A)
Q89: Calcium turns on cross bridges by physically
Q90: Spastic paralysis occurs when
A) Descending excitatory pathways
Q92: During coactivation
A) All of the muscle fibers
Q93: The regulation of smooth muscle contraction is
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents