Which item appears radiolucent on a radiograph?
trabecular bone
periapical abscess
amalgam filling
enamel
periapical abscess
Rationale: periapical abscess – This will appear as a circular artifact just below the apex of the root of the tooth.
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Which of the following patient remarks best reinforces your suspicion that he is in the early stages of hypovolemic shock?
A) "I have had diarrhea for the past four days." B) "I fell last night and think I hurt my belly; see the bruise?" C) "I must have fallen and hit my head. I am very confused and restless." D) "I have been coughing up green mucus and feel weak."
The AED analyzes your pulseless and apneic patient's cardiac rhythm and advises that a shock is NOT indicated. You should:
A) assess for a pulse for no more than 10 seconds. B) resume CPR, starting with chest compressions. C) open the patient's airway and check for breathing. D) reanalyze the cardiac rhythm for positive confirmation.