emt quiz 12

Which of the following MOST accurately defines an allergic reaction? A. an exaggerated immune system response to any substance B. destruction of the immune system by an external substance C. a release of erythrocytes in response to a foreign substance D. a direct negative effect on the body by an external substance

A. an exaggerated immune system response to any substance

A 73-year-old man presents with a generalized rash, which he thinks may have been caused by an antibiotic that he recently began taking. He has a history of coronary artery disease, hypertension, and emphysema. He is conscious and alert, his blood pressure is 144/94 mm Hg, and his pulse is 64 beats/min and regular. You auscultate his breath sounds and hear scattered wheezing, although he is not experiencing respiratory distress. In addition to administering oxygen, you should: A. contact medical control if needed, transport the patient, and monitor him for signs of deterioration. B. ask him if he has epinephrine and request approval from medical control to administer it to the patient. C. avoid the use of epinephrine because of his cardiac history, even if his symptoms become severe. D. begin transport and request to administer epinephrine if his systolic blood pressure falls below 110 mm Hg.

A. contact medical control if needed, transport the patient, and monitor him for signs of deterioration.

Before giving activated charcoal, you should: A. obtain approval from medical control. B. have the patient drink a glass of milk. C. mix it with an equal amount of water. D. mix the suspension by stirring the bottle.

A. obtain approval from medical control.

A 38-year-old female was bitten by fire ants while at the park with her kids. Your primary assessment reveals that she is semiconscious, has profoundly labored breathing, and has a rapid, thready pulse. She has a red rash on her entire body and her face is very swollen. You should: A. perform a rapid secondary assessment. B. assist her ventilations with 100% oxygen. C. administer 0.3 mg of epinephrine. D. place her supine with her legs elevated 6″ to 12″.

B. assist her ventilations with 100% oxygen.

Activated charcoal is given to patients who have ingested certain substances because it: A. induces vomiting and empties the stomach. B. binds to the substance and prevents absorption. C. decreases absorption of poisons into the lungs. D. is a direct antidote for many toxic substances.

B. binds to the substance and prevents absorption.

Hypotension, hypoventilation, and pinpoint pupils would be expected following an overdose of: A. ecstasy. B. oxycodone (Percocet). C. amphetamine sulfate (Benzedrine). D. crack cocaine.

B. oxycodone (Percocet).

DTs is a syndrome associated with withdrawal from: A. cocaine. B. opioids. C. alcohol. D. sedatives.

C. alcohol.

After administering 0.3 mg of epinephrine via auto-injector to a 22-year-old female with an allergic reaction, you note improvement in her breathing and dissipation of her hives. However, she is still anxious and tachycardic. You should: A. contact medical control and obtain authorization to administer another 0.3 mg of epinephrine. B. transport her rapidly, as it is obvious that she is having a severe reaction to the epinephrine. C. monitor her closely but recall that anxiety and tachycardia are side effects of epinephrine. D. consider administering 0.15 mg of epinephrine to completely resolve her allergic reaction.

C. monitor her closely but recall that anxiety and tachycardia are side effects of epinephrine.

You respond to a local motel for a young female who was sexually assaulted. The patient is conscious but confused. She tells you that the last thing she remembers was drinking beer at a club with her friends the night before. When she awoke, she was in the bed of the motel room. You should be MOST suspicious that this patient: A. is a heroin abuser. B. is acutely intoxicated. C. was given flunitrazepam (Rohypnol). D. is abusing marijuana.

C. was given flunitrazepam (Rohypnol).

A 50-year-old male was stung by a honeybee approximately 15 minutes ago. He presents with respiratory distress, facial swelling, and hypotension. After placing him on oxygen and administering his epinephrine via auto-injector, you note that his breathing has improved. Additionally, his facial swelling is resolving and his blood pressure is stable. Your next action should be to: A. reassess his breathing and blood pressure in 15 minutes. B. visualize his airway to assess for oropharyngeal swelling. C. notify medical control of the patient's response to your treatment. D. record the time and dose of the injection, and transport promptly.

D. record the time and dose of the injection, and transport promptly.