The blood–brain barrier is a preventive barrier that prevents MOST ____________ medications from reaching the brain
a. Lipid-soluble
b. Water-soluble
c. Non-ionized, unbound
d. Barbiturate
b
Rationale: a. Lipid-soluble medications readily pass the blood–brain barrier.
b. Water-soluble medications cannot permeate the blood–brain barrier.
c. A non-ionized, unbound medication can pass the blood–brain barrier.
d. A barbiturate is an example of a non-ionized, unbound drug.
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An OEC Technician indicates that she understands the difference between stable angina and an acute myocardial infarction (MI) when she states:
a. "Stable angina occurs when the heart rate becomes too high; an acute MI is the result of coronary artery disease." b. "Stable angina is not accompanied by other symptoms such as shortness of breath; the chest pain of an acute MI is." c. "The pain in an acute MI is typically described as "stabbing"; the pain with stable angina is more akin to pressure." d. "An acute myocardial infarction results in the death of cardiac tissue; stable angina causes ischemia to the heart muscle."
A disorder in which there is too much potassium in the bloodstream is called
A) hypokalemia. B) hypocalcemia. C) hypercalcemia. D) hyperkalemia.
A mandibular orthopedic reposition is an example of an appliance
Indicate whether the statement is true or false
Second-generation antihistamines do not cause _____ because they do not cross the _____ _____ barrier
Fill in the blank(s) with correct word