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What can be used to assist in maintaining the sensor placement in the patients mouth? 

A __________ is used to remove subgingival calculus deposits if a periodontal scaler tip is not available. 

In most dental units, the only adjustable setting on the control panel is ________. 

Which scaler tip is the most efficient at removing calculus on the crown of the tooth?

(1) Write the electron configuration for a S atom. Use the underline feature to underline the valence electrons.  (2) Using this configuration, indicate which energy level holds the valence electrons and how many valence electrons there are.  (3) How many bonds would S form when it participates in covalent bonding? (Think about the “rules” for why things bond and how many electrons elements “want”). 

A Pt presents moderately short of breath. He states he had a cast put on his left leg seven days ago after surgery for a ruptured Achilles tendon. This morning, while he was watching television, he suddenly became short of breath. He has a history of asthma, for which he takes Xopenex as needed, and is taking Tylenol with codeine for pain related to his surgery. The patient’s lung sounds are clear and equal, SpO 2 is 90 percent on room air, heart rate is 100 and regular, respirations are 24 and slightly labored, blood pressure is 128/88, and the patient is afebrile. These findings are most consistent with:

What is the pH of a 0.001 M KOH solution?

Write the balanced chemical reaction for the combustion of pentanal. (Write the structure of pentanal on your own paper to determine the chemical formula before you begin.) 

Which of the following are isomers? You may want to draw out the molecular structure to determine. 

Choose ANY alcohol. Describe and name the structure. Then describe and name the oxidation product of that alcohol.