The MRD for 4% articaine for a child weighing 70 pounds is ________ mg
Fill in the blank(s) with correct word
224
Feedback: 224 mg; 3.2 mg/lb × 70 = 224 mg
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Which of the following is true of the oxygen dissociation curve?
a. The normal partial pressure of oxygen (PO2) at which hemoglobin is 50% saturated is 20 mm Hg. b. A shift to the right or left in response to blood pH is called the Bohr effect. c. A shift to the left results in lower oxygen affinity. d. A shift to the right results in less effective delivery of oxygen to tissue.
You are triaging four patients who were involved in a motor vehicle crash. Victim 1 has bilateral femur fractures, is in severe pain, and is conscious and alert. Victim 2 is unresponsive, apneic, and pulseless. Victim 3, who is profusely diaphoretic, is wearing a medical alert bracelet identifying her as a diabetic. Victim 4 is responsive to pain only and is in obvious respiratory distress. How should you categorize these patients?
A) Victim 1, immediate; victim 2, immediate; victim 3, delayed; and victim 4, delayed B) Victim 1, delayed; victim 2, expectant; victim 3, immediate; and victim 4, immediate C) Victim 1, delayed; victim 2, immediate; victim 3, delayed; and victim 4, immediate D) Victim 1, immediate; victim 2, expectant; victim 3, immediate; and victim 4, delayed
When should you arrive for an interview?
A. Arrive about 10 to 15 minutes ahead of time so that you can make sure your appearance is professional. B. You should actually go to the interview site a day ahead of time to say hello to the interviewer in a more relaxed environment, then return the next day no more than 5 minutes before the interview. C. Arrive an hour ahead of time so that you can see who your competition might be. D. Arrive only 1-2 minutes before the interview is to begin.
Narrow-mouthed frogs have:
A)large heads and rounded snouts B)small heads and rounded snouts C)large heads and pointed snouts D)small heads and pointed snouts