Your patient is viewing her bitewing images and has noticed the small radiopaque area on the interproximal surfaces below the contacts of some of her teeth. What is she looking at?

What distance is the alveolar crest from the CEJ that indicates periodontal disease?

______ Nasal septum 

Directions (for the next 31 questions): Identify each anatomical structures and/or dental materials as either RP (radiopaque) and/or RL (radiolucent).  If both RP and RL are present, select Both.

Which wildcard mask would permit all hosts from the 192.168.10.0/24 network?

Which of the following would be proper for a patient you suspect has a communicable disease? 

In the lab videos I described how the pectinate muscles look like a particular object. What was that object?

In the lab videos I talked about what “NK” meant regarding lymphocytes. What did it stand for?

Your EMS team has extricated a 70‐year‐old patient from the vehicle after it went off the road at a high rate of speed and hit a tree. The patient has an altered mental status and is unable to provide a medical history. You are concerned that a cardiac problem may have precipitated the incident, but you must also rule out:

In the lab videos which vitamin did I describe was a natural anti-histamine and would oppose the action of immune cells that produce histamine?