Identify the true statement(s):
a. NE causes most blood vessels to constrict.
b. ACh causes the pancreas to release glucagon
c. Binding of a neurotransmitter to a beta-1 receptor on the heart would result in a faster heart rate.
d. Both a and b are true
e. Both a and c are true
E
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) Select the statement about mixtures that is correct.
A) A solution contains solvent in large amounts and solute in smaller quantities. B) Solutions contain particles that settle out in time. C) Suspensions can change reversibly from liquid to solid. D) Suspensions are homogeneous mixtures of two or more components.
The single most important factor influencing potassium ion secretion is ________.
A) the potassium ion content in the renal tubule cells B) the pH of the ICF C) intracellular sodium levels D) potassium ion concentration in blood plasma
__________ are the powerhouses of the cell because they produce cellular energy
Fill in the blank(s) with correct word
Murphy's eye, an opening on the distal side of an ET tube, allows ventilation to occur:
A) whether the tube is in the trachea or in the esophagus. B) even if the tip of the tube is occluded by blood or mucus. C) if the tube is inserted into the right mainstem bronchus. D) even if the ET tube does not enter the patient's trachea fully.