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Pleasure May

Physiology 7-13

True/False: The magnitude of the action potential peaks when the sodium channels close? True
Which membrane receptor acts to directly change ion permeability when stimulated? Gated-channel receptor
True/False: In action potential, the outside of the plasma membrane is negatively charged, and the inside is positively charged? True
Normal infants will show the Babinski reflex up to the age of ______years? 1.5-2
Nerves the innervate the floor of the pelvic cavity and some of the surrounding areas are found in the ______plexus. coccygeal
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? It flows into the inferior vena cava.
What functions as an emergency mechanism when hypoxia or hypercapnia endangers the stability of the internal environment? Chemoreceptor reflex
Erythrocytes begin their maturation i the red bone marrow from nucleated cells known as? hematopoietic stem cells
The chemo receptors in the carotid bodies are particularly sensitive to? hypercapnia
Which of the following is a powerful poison that acts directly on any cell and quickly kills it? lymphotoxin
Created by: pdmay
 

 



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