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Nonceba Ncube

Physiology Week 7-13

QuestionAnswer
What is the vomiting reflex mediated by? the medulla.
A reflex consists of either a muscle contraction or ____ ____? glandular secretion.
What is the clear and potassium-rich fluid that fills the labyrinth? endolymph.
What is the sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window? Hint *think 3* malleus, incus, and stapes.
Which three hormones work together to regulate blood volume? aldosterone, ANH, and ADH.
What are the two baroreceptors that are located near the heart? aortic baroreceptors and carotid baroreceptors.
______, is a natural constituent of blood, acts as an antithrombin and prevents clots from forming in vessels. What am I? Heparin
What are factors that affect the strength of myocardial contraction called? inotropic factors.
The lymphatic system serves various functions in the body. The two most important functions of this system are ____ & ____? fluid balance and immunity.
What is a powerful poison that acts directly on any cell and quickly kills it? lymphotoxin.
During inspiration, what happens as the size of the thorax increases? the intrapleural and alveolar pressures decrease.
Which blood vessel carries absorbed food from the GI tract to the liver? Portal vein
What do bicarbonates do in the GI tract? neutralize hydrochloric acid.
What is the wave-like ripple of the muscle layer of the GI tract called? peristalsis.
Created by: nncube
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