A person with a blood pressure of 122/90 has a pulse pressure of and is it considered narrowed? (yes or no) .

Class III hemorrhage is defined as a blood loss of mL to mL.

A 45-year-old patient with COPD is scheduled for scaling and root planing. The patient requests nitrous oxide sedation due to anxiety. What is the BEST course of action?

Which local anesthetic is inactivated by blood plasma esterases?

Which medication increases bleeding risk during dental procedures?

Your patient is taking warfarin, ideal level of INR for an extraction is ________. 

Which diuretic causes potassium loss?

Long-term use of barbiturates can lead to physical and psychological dependence, a state similar to alcohol intoxication.

What is the primary mechanism of antiarrhythmic drugs?

A 45-year-old alcoholic patient with suspected liver cirrhosis needs an extraction of a badly abscessed tooth. The dental hygienist plans use 2 cartridges of lidocaine 2% with 1:100,000 epinephrine to numb the area in preparation for the extraction. What adjustments, if any, need to be made in the amount of local anesthetic administered?