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BHugo Phys. Wk 7-13

QuestionAnswer
What charge does the inside of a neuron have, compared to the outside? Negative
What is the first thing that happens when adequate stimulus is applied to a neuron? Some of the sodium channels at the point of stimulation open.
An injury affecting the ability to do fine motor tasks such as eating with utensils affects what? The voluntary motor pathways outside the CNS.
What part of the brain assists in the maintenance of balance? The cerebellum.
Visceroceptors are located in which of the following? Internal organs.
Dynamic equilibrium depends on the functioning of the Crista ampullaris.
The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is: Malleus, incus, and stapes.
What membrane do hair cells in the organ of Corti move against to stimulate nerve impulse? Tectorial
At what point does the fetal heartbeat begin? After about 4 weeks.
The process by which neutrophils migrate out of blood vessels and into tissue spaces is? Diapedesis
What three hormones regulate blood volume? Aldosterone, ANH, and ADH.
What is the functional significance of large areas of cardiac muscle being electrically coupled to form a single functional syncytium? Because they form a syncytium, muscle cells can pass an action potential along a large area of the heart wall, stimulating contraction in each muscle fiber of the syncytium.
What cells become plasma cells when exposed to an antigen? Memory cells.
External respiration is? The exchange of gases between the lung and the blood capillaries in the lung and the exchange of gases between the blood capillaries and the tissue cells.
Which phase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food? Cephalic phase.
What hydrolyzes polysaccharides into disaccharides? Amylase.
What is the end product of fat digestion? Glycerol.
Created by: brendanh7520
 

 



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