CMA : Structure and Function of Organs and Organ Systems
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Example Questions
Example Question #1 : Structure And Function Of Organs And Organ Systems
Activation of the sympathetic nervous system will cause which of the following to occur?
Increase in intraocular pressure
Dilation of the pupil
A flattening of the lens
Constriction of the pupil
A rounding of the lens
Dilation of the pupil
Activation of the sympathetic nervous system will cause dilation of the pupil. Activation of the parasympathetic nervous system will cause constriction of the pupil.
Example Question #2 : Structure And Function Of Organs And Organ Systems
The intrinsic rate of the pacemaker cells in the AV node is:
equal to the rate in the SA node
faster than the rate in the SA node
varies (sometimes faster, sometimes slower than the rate in the SA node)
the AV node does not contain pacemaker cells
slower than the rate in the SA node
slower than the rate in the SA node
The intrinsic rate of depolarization is slower among the pacemaker cells in the AV node compared to the rate in the SA node.
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