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Physiology 7-13

QuestionAnswer
The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? Almost 300 times faster
Stimulus-gated channels open in response to? sensory stimuli & the influx of potassium
No impulse can be sent through a neuron? during the absolute refractory period
Compared with the outside of the neuron, the inside has a(n) ____ charge? negative
A term commonly used as a synonym for action potential is? nerve impulse
Nerve impulses over the _____ nerve cause increased peristalsis and decreased heart rate? vagus
Most effectors of the autonomic nervous system are dually innervated by sympathetic and parasympathetic neurons? True or False? true
Which of the following is not an example of sympathetic stimulation? Constriction of the bronchioles
The receptors responsible for sensing crude and persistent touch are the? Ruffini corpuscles
If you slammed your finger in a car door, it would stimulate _____ pain fibers? acute
Dynamic equilibrium depends on the functioning of the? crista ampullaris
Which of the following vessels do not have the ability to constrict and dilate? capillaries
_____ is used to determine the volume percentage of red blood cells in whole blood? Hematocrit
The heart begins beating in the fetus at about what stage of development? After about 4 weeks
The movement of phagocytes from blood vessels to an inflammation site is called? diapedesis
The tendency of the thorax and lungs to return to the preinspiration volume is called? elastic recoil
Polysaccharides are hydrolyzed into disaccharides by enzymes known as? amylase
Created by: yesval
 

 



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