Pharmacology XV

Description

Praxis Tests: Pharmacology Quiz on Pharmacology XV, created by ACAPUN INSTITUTE on 08/11/2021.
ACAPUN INSTITUTE
Quiz by ACAPUN INSTITUTE, updated more than 1 year ago
ACAPUN INSTITUTE
Created by ACAPUN INSTITUTE over 2 years ago
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Resource summary

Question 1

Question
Occurrence of which of the following is LEAST characteristic of narcotic ingestion?
Answer
  • A) Vomiting
  • B) Diarrhea
  • C) Urinary retention
  • D) Bronchiolar constriction
  • E) Increase in intracranial pressure

Question 2

Question
Therapeutic doses of morphine administered intramuscularly may produce a. Constipation b. Euphoria c. Dysphoria d. Mental clouding e. Decreased response to pain
Answer
  • A) (a) and (b) only
  • B) (a), (b) and (d)
  • C) (a), (d) and (e)
  • D) (c), (d) and (e)
  • E) All of the above

Question 3

Question
Which of the following are pharmacologic effects of morphine? a. Respiratory depression b. Euphoria c. Sedation d. Constipation e. Dysphoria
Answer
  • A) (a), (b) and (c)
  • B) (a), (b) and (d)
  • C) (a) and (e)
  • D) (c), (d) and (e)
  • E) All of the above

Question 4

Question
Which of the following drugs acts to suppress the cough reflex?
Answer
  • A) ASA
  • B) Codeine
  • C) Meperidine
  • D) Acetaminophen
  • E) Phenyibutazone

Question 5

Question
Morphine binds to which site to produce analgesia?
Answer
  • A) By binding to specific receptors in the CNS
  • B) By decreasing the influx of sodium
  • C) By decreasing the synthesis of prostaglandins
  • D) By decreasing nerve activatin at the site of injury

Question 6

Question
Morphine causes vomiting by
Answer
  • A) A direct irritant action on the gastric mucosa
  • B) Stimulation of the nodose ganglion of the vagus nerve
  • C) Stimulation of the medullary chemoreceptor trigger zone
  • D) Direct stimulation of the gastrointestinal musculature

Question 7

Question
The decrease in ventilation caused by morphine, meperidine and some of the related opioids depends chiefly upon
Answer
  • A) Depression of cortical activity
  • B) Peripheral blockade of chemoreceptor impulses
  • C) An increase in carbon dioxide concentration in the blood
  • D) Blockade of afferent autonomic impulses from the lungs
  • E) Loss of sensitivity of the medullary respiratory center to carbon dioxide

Question 8

Question
Small doses of barbiturates and morphine depress respiration primarily by
Answer
  • A) A parasympathominetic action
  • B) Inhibiting the Herine-Bueuer reflex
  • C) Rendering the aortic chemoreceptor system insensitive to O2
  • D) Rendering the respiratory center in the brain stem less sensitive to changes in CO2
  • E) A specific effect at myoneural junctions of phrenic and intercostal nerves

Question 9

Question
Which of the following are pathognomonic symptoms of narcotic overdose?
Answer
  • A) Miosis, coma and depressed respiration
  • B) Mydriasis, coma and smooth muscle spasms
  • C) Mydriasis, coma and depressed respiration
  • D) Miosis, convulsions and depressed respiration
  • E) Mydriasis, convulsions and depressed respiration

Question 10

Question
The cause of death with opioid intoxication is
Answer
  • A) Oxygen apnea
  • B) Cardiac arrest
  • C) Terminal convulsions
  • D) Circulatory collapse
  • E) Respiratory depression

Question 11

Question
Which of the following is an opioid that has both agonistic and antagonistic activities?
Answer
  • A) Codeine
  • B) Methadone
  • C) Naloxone
  • D) Meperidine
  • E) Pentazocine

Question 12

Question
A heroin-dependent patient should NOT be given nalbuphine (Nubain) for pain because
Answer
  • A) It has no analgesic properties
  • B) It may produce respiratory depression
  • C) As a mixed agonist-antagonist, it can elicit withdrawal symptoms
  • D) The high abuse potential of nalbuphine may add to the patient's problems

Question 13

Question
A patient while not currently taking drugs has a history (6 months ago) of narcotic dependency. Which of the following analgesics should be avoided in this patient?
Answer
  • A) Aspirin
  • B) Pentazcine
  • C) propoxyphene
  • D) Indomethacin
  • E) Acetaminophen
  • F) None of the above

Question 14

Question
Which of the following statements does NOT characterize pentazocine?
Answer
  • A) It is equianalgesic with codeine
  • B) It is a partial opioid antagonist
  • C) Its abuse potential is less than that of heroin
  • D) It may induce dysphoria and mental aberrations
  • E) It is effective only on parenteral administration

Question 15

Question
The antagonist of choice in the treatment of opioid overdosage is
Answer
  • A) Naloxone
  • B) Nalorphine
  • C) Pentazocine
  • D) Levallorphan
  • E) Propoxyphene

Question 16

Question
Which of the following is a complete antagonist of the opioid receptor and the agent of choice in the treatment of narcotic overdose?
Answer
  • A) Naloxone
  • B) Nalorphine
  • C) Cyclazocine
  • D) Levallorphan
  • E) None of the above

Question 17

Question
Methadone is used in detoxification (drug withdrawal) of patients physically dependent on morphine because methadone
Answer
  • A) Precipitates withdrawal reactions
  • B) Antagonizes the depressant actions of morphine
  • C) Will not in itself produce physical dependence
  • D) Withdrawal reactions are less intense and stressful than those of morphine

Question 18

Question
Which of the following drugs is currently widely used in treating opioid-dependent individuals?
Answer
  • A) Codeine
  • B) Methadone
  • C) Alphaprodine
  • D) Pentazocine
  • E) Meperidine

Question 19

Question
Meperidine (Demerol) is
Answer
  • A) An antidepressant
  • B) An opioid analgesic
  • C) A sedative
  • D) A long-acting local anesthetic
  • E) An antipsychotic
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