EMT Chapter 21 - Toxicology

A person who routinely misuses a substance and requires increasing amounts to achieve the same effect is experiencing: Select one: A. tolerance. B. withdrawal. C. dependence. D. addiction.

A

An overdose of acetaminophen, the active ingredient in Tylenol, will MOST likely cause: Select one: A. liver failure. B. kidney failure. C. gastric ulcers. D. CNS depression.

A

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

A

Of the four avenues of poisoning, generally ___________ is the most worrisome in terms of treatment to the EMS provider. Select one: A. injection B. absorption C. ingestion D. inhalation

A

When caring for a known alcoholic patient with severe trauma to the chest and abdomen, you should be concerned that: Select one: A. internal bleeding may be profuse because prolonged alcohol use may impair the blood's ability to clot. B. delirium tremens (DTs) are commonly induced by physical trauma and can lead to life-threatening seizures. C. long bone fractures are likely because chronic alcohol consumption weakens the structure of the bones. D. signs and symptoms of shock may be masked by the stimulant effects produced by alcohol.

A

You and your paramedic partner are caring for a patient who ingested codeine, acetaminophen (Tylenol), and hydrocodone (Vicodin). The patient is unresponsive, his breathing is slow and shallow, and his pulse is slow and weak. Treatment for this patient should include: Select one: A. assisted ventilation and naloxone (Narcan). B. assisted ventilation and flumazenil (Romazicon). C. oxygen via a nasal cannula and atropine sulfate. D. high-flow oxygen via a nonrebreathing mask.

A

A 49-year-old male presents with confusion, sweating, and visual hallucinations. The patient's wife tells you that he is a heavy drinker and she thinks he had a seizure shortly before your arrival. This patient is MOST likely experiencing: Select one: A. acute schizophrenia. B. delirium tremens. C. alcohol intoxication. D. acute hypovolemia.

B

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

B

As you enter the residence of a patient who has possibly overdosed, you should: Select one: A. quickly gain access to the patient. B. be alert for personal hazards. C. look for drug paraphernalia. D. observe the scene for drug bottles.

B

How do poisons typically act to harm the body? Select one: A. By causing a slowing of nearly all bodily functions B. By changing the normal metabolism of cells or by destroying them C. By interfering with normal neurologic function D. By causing burns and damage to either external or internal organs

B

In an apparent suicide attempt, a 19-year-old female ingested a full bottle of amitriptyline (Elavil). At present, she is conscious and alert and states that she swallowed the pills approximately 30 minutes earlier. Her blood pressure is 90/50 mm Hg, her pulse is 140 beats/min and irregular, and her respirations are 22 breaths/min with adequate depth. When transporting this patient, you should be MOST alert for: Select one: A. acute respiratory depression. B. seizures and cardiac arrhythmias. C. an increase in her blood pressure. D. a sudden outburst of violence.

B

Victims of inhaled poisoning will require which of the following? Select one: A. Suctioning to clear the airway B. Transport to an emergency department for evaluation C. Ventilation with a bag-valve mask D. An oropharyngeal or nasopharyngeal device to maintain an airway

B

Which of the following questions would be LEAST pertinent during the initial questioning of a patient who ingested a substance? Select one: A. How long ago was the substance taken? B. Why was the substance ingested? C. What type of substance was taken? D. How much of the substance was taken?

B

Which of the following sets of vital signs would the EMT MOST likely encounter in a patient with acute cocaine overdose? Select one: A. BP, 180/100 mm Hg; pulse, 50 beats/min B. BP, 200/100 mm Hg; pulse, 150 beats/min C. BP, 190/90 mm Hg; pulse, 40 beats/min D. BP, 60/40 mm Hg; pulse, 140 beats/min

B

Which of the following statements regarding the Salmonella bacterium is correct? Select one: A. The Salmonella bacterium produces toxins that cause food poisoning. B. The Salmonella bacterium itself causes food poisoning. C. Symptoms of salmonellosis appear within 12 hours. D. Refrigeration of food will prevent salmonellosis.

B

The recommended treatment for absorbed or contact poisons includes _________. Select one: A. neutralizing the poisonous substance with a chemical B. transporting the patient to the emergency department with the poisonous substance in place C. safely removing or diluting the poisonous substance D. collecting and transporting the poisonous substance to the emergency department for identification

C

You receive a call to a residence where a man found his wife unresponsive on the couch. The patient's respiratory rate is 8 breaths/min, her breathing is shallow, her heart rate is 40 beats/min, and her pulse is weak. The husband hands you an empty bottle of hydrocodone (Vicodin), which was refilled the day before. You should: Select one: A. perform a rapid head-to-toe exam. B. apply oxygen via a nonrebreathing mask. C. ventilate her with a BVM. D. contact the poison control center.

C

Heroin is an example of a(n): Select one: A. hypnotic. B. sympathomimetic. C. cholinergic. D. opioid.

D

If the victim of a toxicologic emergency vomits, an EMT should _________. Select one: A. have the patient enclose the vomitus in a container and take it to the emergency department. B. not approach the vomitus. C. safely dispose of the vomitus as soon as possible and decontaminate the vehicle as necessary. D. use appropriate personal protective equipment and examine the vomitus for pill fragments or other clues for patient care.

D

Most poisonings occur via the __________ route. Select one: A. injection B. absorption C. inhalation D. ingestion

D