Phase 2 Test 4 Flashcards
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1
Q
- Alcohol potentiates Valium. This means that:
A) Valium makes alcohol a toxic substance.
B) alcohol antagonizes the effects of Valium.
C) alcohol enhances the effects of Valium.
D) the use of alcohol negates the use of Valium
A
C
2
Q
29. Patients with delirium tremens often experience: A) hallucinations. B) AV heart blocks. C) hypothermia. D) acute hypertension.
A
A
3
Q
- You have administered a total of 10 mg of Narcan to an unresponsive 30-year-old man whom you believe has overdosed on a narcotic. However, the patient remains unresponsive, is hypoventilating, and is bradycardic. Your transport time to the closest appropriate hospital is 40 minutes. You should:
A) insert a nasogastric tube to decompress his stomach, administer another 2 mg of Narcan, and transport.
B) continue assisted ventilation for 2 to 3 minutes, insert an advanced airway device, and transport immediately.
C) insert a laryngeal mask airway, transport at once, and begin an epinephrine infusion en route to the hospital.
D) insert an oropharyngeal airway, continue bag-mask ventilations at a rate of 20 breaths/min, and transport.
A
B
4
Q
- From an anatomic and physiologic perspective, inhaled toxins:
A) generally provide a large window of opportunity for treatment.
B) quickly reach the alveoli and rapidly gain access to the circulatory system.
C) typically take between 15 and 20 minutes to exert a systemic effect.
D) often take several hours before clinical signs and symptoms manifest.
A
B
5
Q
- When heroin passes through the liver:
A) the liver rapidly metabolizes the drug, removes the toxic ingredients, and excretes it via the renal system.
B) it rapidly becomes hepatotoxic, continues to exert narcotic effects, and causes liver failure within 24 to 36 hours.
C) it is metabolized into acetyl-morphine, which continues to exert narcotic effects that may outlast the effects of naloxone.
D) absorption through the rest of the body decreases markedly, allowing its narcotic effects to be reversed easily with naloxone.
A
C
6
Q
- The clinical presentation of a stimulant abuser includes:
A) excitement, hypertension, tachycardia, and dilated pupils.
B) somnolence, hypotension, bradycardia, and a staggering gait.
C) hypotension, tachycardia, constricted pupils, and hypothermia.
D) an irregular pulse, hyperpyrexia, hypotension, and bradycardia.
A
A
7
Q
67. In adult patients, oral ingestion of a caustic substance: A) is usually intentional. B) causes immediate death. C) contraindicates intubation. D) requires activated charcoal.
A
A
8
Q
106. During your assessment of a 33-year-old woman who you suspect is under the influence of a drug, the patient tells you that she was “listening to the painting on the wall” before you arrived. Her pulse rate and blood pressure are both elevated. This clinical presentation is MOST consistent with the use of: A) LSD. B) PCP. C) marijuana. D) methamphetamine.
A
A
9
Q
- Which of the following statements regarding alcoholism is correct?
A) A person who consumes alcohol is considered to be physically dependent if abrupt cessation of drinking causes withdrawal symptoms.
B) Patients with alcoholism typically do not become psychologically dependent on alcohol until they have been drinking for many years.
C) Delirium tremens occur any time a person suddenly stops drinking excessive amounts of alcohol, regardless of whether or not he or she is addicted.
D) Increased blood pressure and hallucinations are common physical manifestations when a short-term alcoholic slowly tapers his or her consumption.
A
A
10
Q
- Patients with alcoholism are prone to subdural hematomas and gastrointestinal bleeding because:
A) they fall more frequently than sober people.
B) their blood-clotting mechanisms are impaired.
C) they are at higher risk for violent assault.
D) alcohol causes significant immunocompromise.
A
B
11
Q
56. Signs and symptoms of organophosphate poisoning include: A) vomiting. B) tachycardia. C) constipation. D) pupillary dilation.
A
A
12
Q
- A 22-year-old man experienced an acid chemical burn to his left forearm. He complains of intense pain and tingling in his fingers. He is conscious and alert, and denies any other symptoms. You should:
A) cover the burn and transport at once.
B) begin immediate irrigation with water.
C) apply a light coat of baking soda to the burn.
D) administer oxygen via nonrebreathing mask.
A
B
13
Q
20. A middle-aged woman who has been taking 2 mg of clonazepam each day for 6 months finds that she now requires 4 mg each day to achieve the same effect. This is an example of: A) tolerance. B) drug abuse. C) habituation. D) physical dependence.
A
A
14
Q
87. Prehospital treatment for a patient who overdosed on aspirin may include: A) flumazenil. B) an antipyretic. C) calcium chloride. D) sodium bicarbonate.
A
D
15
Q
33. Your FIRST priority when dealing with a patient who may have overdosed is to: A) ascertain what the patient took. B) enter the scene carefully. C) request law enforcement. D) assess the patient's airway.
A
C
16
Q
- A person who is “speedballing” is:
A) highly addicted to methamphetamine, cocaine, and marijuana and mixes all three drugs together to achieve various levels of euphoria.
B) using cocaine in combination with heroin, by injecting them either underneath the skin or directly into a vein, in order to regulate the high.
C) packaging cocaine in small plastic bags and swallowing them for the purpose of transporting the cocaine from one location to another location.
D) using heroin to withdraw or detoxify himself or herself from cocaine by gradually increasing the amounts of heroin taken while decreasing the amounts of cocaine used.
A
B
17
Q
- Pulse oximetry will not provide a true assessment of arterial oxygenation in patients with carbon monoxide toxicity because:
A) the device falsely interprets oxyhemoglobin as carboxyhemoglobin.
B) carbon monoxide damages the computer chip inside the pulse oximeter.
C) the device cannot determine whether carbon monoxide or oxygen is bound to the hemoglobin.
D) carbon monoxide turns the blood dark red, which indicates low oxygen content.
A
C
18
Q
61. The MOST important prehospital treatment intervention for a patient with carbon monoxide poisoning is: A) high-flow oxygen. B) establishing vascular access. C) cardiac rhythm monitoring. D) monitoring pulse oximetry.
A
A
19
Q
- Priority care for an unresponsive patient who has overdosed on phenobarbital includes:
A) administering oxygen and giving naloxone.
B) administering diazepam to prevent seizures.
C) securing the airway and preventing aspiration.
D) observing the ECG closely for lethal dysrhythmias.
A
C
20
Q
- Management for an ingested poison focuses mainly on:
A) the prompt induction of vomiting.
B) administering a counteracting agent.
C) neutralizing the poison in the stomach.
D) treating the systemic effects that result.
A
C
21
Q
27. Which of the following is the MOST immediate danger to an unresponsive patient with acute alcohol intoxication? A) Acute hypovolemia B) Aspiration of vomitus C) Profound bradycardia D) Ventricular dysrhythmias
A
B
22
Q
- Tricyclic antidepressant medications:
A) are the first-line therapy for the treatment of depression.
B) may produce toxic effects with even minimal dosing errors.
C) generally require high doses to achieve a therapeutic effect.
D) are very safe because they have a large therapeutic window.
A
B
23
Q
84. Lithium is MOST commonly used to treat patients with: A) depression. B) schizophrenia. C) chronic anxiety. D) bipolar disorder.
A
D
24
Q
31. Which of the following interventions is influenced strongly by the amount of time that has elapsed since a patient ingested a toxic substance? A) Transport B) IV therapy C) Intubation D) Gastric lavage
A
D
25
Q
- Which of the following types of medications does NOT contain amphetamine?
A) Diet pills
B) Nasal decongestants
C) Drugs used to treat insomnia
D) Drugs used to treat attention deficit disorder
A
C
26
Q
- Which of the following statements regarding SSRIs is correct?
A) SSRIs have fewer anticholinergic and cardiac effects than tricyclics.
B) Bradycardia with AV heart block is a hallmark sign of SSRI toxicity.
C) The most popular SSRIs include Pamelor, Zonalon, and Norpramin.
D) They are the least preferred antidepressant because they are cardiotoxic.
A
A
27
Q
63. When chlorine gas comes in contact with the body's mucous membranes, it forms: A) boric acid. B) a strong alkali. C) sulfuric acid. D) hydrochloric acid.
A
D
28
Q
10. You would NOT expect a person using methamphetamine to present with: A) insomnia. B) bradypnea. C) restlessness. D) hypertension.
A
B
29
Q
51. Cardiac arrest following a narcotic overdose is usually the result of: A) seizures. B) renal failure. C) respiratory arrest. D) a cardiac dysrhythmia.
A
C
30
Q
4. Most of the blood's formed elements are: A) platelets. B) leukocytes. C) electrolytes. D) erythrocytes.
A
D
31
Q
- A 23-year-old woman with sickle cell disease presents with severe joint pain and a fever of 102.5°F. She is conscious and alert, and tells you that her symptoms began yesterday and suddenly worsened today. Her blood pressure is 118/76 mm Hg, pulse rate is 120 beats/min and regular, and respirations are 24 breaths/min with adequate depth. After applying high-flow oxygen and initiating transport, you should:
A) obtain a 12-lead ECG tracing, start a large-bore IV line, administer a 20-mL/kg normal saline bolus, and reassess her blood pressure.
B) monitor her oxygen saturation and cardiac rhythm, start an IV line with normal saline, administer 1 µg/kg of fentanyl, and reassess her vital signs.
C) establish vascular access, administer 2 to 5 mg of midazolam, monitor her cardiac rhythm, and notify the receiving facility as soon as possible.
D) ensure that she is in a comfortable position, cover her with a blanket, start an IV line at a keep-vein-open rate, and monitor her throughout transport.
A
B
32
Q
- If an individual has A-positive blood:
A) he or she can receive type AB blood.
B) his or her blood contains no ABO antigens.
C) his or her blood contains the Rh antigen.
D) his or her blood contains anti-A antibodies.
A
C
33
Q
- The hematocrit is the:
A) ratio of red blood cells to platelets.
B) overall proportion of red blood cells in the blood.
C) percentage of blood accounted for by the plasma.
D) percentage of hemoglobin found within red blood cells.
A
B