What would happen if there were no AChE in the synaptic cleft?
A) The motor end plate could not be stimulated and no muscle contraction could occur.
B) The motor end plate could not be stimulated and continuous muscle contraction would occur.
C) The motor end plate would be continuously stimulated and no muscle contraction could occur.
D) The motor end plate would be continuously stimulated and continuous muscle contraction would occur.
E) The motor end plate would be unaffected because epinephrine not ACh stimulates the contraction of skeletal muscles.
Answer: D
You might also like to view...
The hyoid bone is unique because it ________.
A) is the only bone of the body that does not articulate with any other bone B) is shaped like a plow C) is covered with mucosa D) has no specific function
The cilia in the olfactory mucosa don't move, while the cilia in the respiratory mucosa do.
a. true b. false
In a spermatozoan, activity in the ________ provides energy required to move the tail
A) endoplasmic reticulum B) Golgi apparatus C) nucleus D) mitochondria E) lysosomes
What structure does "A" represent on the diagram of the plasma membrane?
A. Peripheral protein B. Phospholipid bilayer C. Membrane channel protein D. Internal membrane surface E. Integral protein