Which of the following analgesics is a phenanthrene derivative?
Anonymous Quiz
14%
Fentanyl
19%
Pentazocine
38%
Morphine
29%
Methadone
It is recommended to add atropine to morphine when used in:
Anonymous Quiz
0%
Acute left ventricular failure
5%
Treatment of morphine addiction.
95%
Renal colic
0%
ο»Ώο»ΏCancer pain
Antipyretic analgesics differ from narcotic analgesics as they:
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Anonymous Quiz
0%
Produce narcosis
21%
Are more potent especially in visceral pain
79%
Relieve pain at a central and peripheral level
0%
Produce dependence
Drug used orally to maintain the Opiate-free state of treated addict:
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Anonymous Quiz
50%
Naltrexone
35%
Naloxone
15%
Diphenoxylate
0%
Loperamide
If a patient received penicillin antibiotic, and he suffered itching pain. Which of the following medications aggravate itching?
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Anonymous Quiz
5%
Hydrocortisone
85%
Morphine
10%
Naloxone
0%
Adrenaline
Which of the following antiparkinsonian medications is contraindicated in case of concomitant benign prostatic hyperplasia?
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Anonymous Quiz
23%
Selegiline
15%
Bromocryptine
31%
Biperiden
31%
Levodopa
Which of the following opioid receptor types is responsible for euphoria and respiratory depression?
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Anonymous Quiz
13%
ο»Ώο»ΏKappa-receptors
0%
Delta-receptors.
67%
Mu-receptors
20%
All of the above
Which of the following is inhibited by morphine?
Anonymous Quiz
19%
Endorphins
13%
Antidiuretic hormone
6%
Seizures
63%
Substance P
Regarding mechanisms of action of morphine, which of the following is TRUE?
Anonymous Quiz
64%
A full agonist at opioid receptors
14%
It opens calcium channels and increases the release of neurotransmitters.
14%
It enhances the effects of naloxone
7%
increases the release of endogenous endorphins
The following is an antiviral drug with anti-parkinson's properties:
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Anonymous Quiz
2%
Procyclidine
2%
Levodopa
95%
Amantadine
2%
Pergolide
Which of the following drugs is used in treatment of morphine or heroin addiction?
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Anonymous Quiz
0%
Meperidine
67%
Methadone
0%
Fentanyl
33%
Naloxone
To reduce the incidence of long-term complications with levodopa, it is advisable to:
Anonymous Quiz
0%
reduce the frequency of levodopa
56%
intake administer slow-release
22%
preparations avoid combination with dopaminergic agonists
22%
combine with a muscarinic agonist
The rationale of administering morphine in a case of acute pulmonary edema due to left ventricular failure is that:
Anonymous Quiz
7%
morphine increases sympathetic drive to the heart, enhancing contractility.
0%
morphine causes vasoconstriction, reverting hypotension.
0%
morphine causes bronchodilatation, ameliorating respiration and blood oxygenation.
93%
morphine reduces both preload and afterload.
Which of the following applies to the actions of morphine?
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Anonymous Quiz
6%
Morphine increases HRC.
65%
Morphine increases intrabiliary pressure.
0%
Morphine increases cough.
29%
Morphine increases ACTH.
Morphine exerts a depressant effect on:
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Anonymous Quiz
89%
Respiratory center
5%
CTZ
0%
EWN of 3rd cranial nerve
5%
ο»Ώο»Ώο»ΏVagal center
male patient suffered acute morphine poisoning after receiving an IV injection of the addictive substance. Two hours later, he was transferred to the Toxicology Center, Kasr Al-Ainy, where the resident recommended a stomach wash. Do you agree with the resident's decision?
Which of the following drugs is a pure opioid antagonist?
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Anonymous Quiz
0%
Meperidine
5%
Methadone
91%
Naloxone
5%
Pentazocine
Combined morphine to which of the following drugs should be avoided?
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Anonymous Quiz
10%
Hyoscine as an antispasmodic.
10%
Metoclopramide as an antiemetic
55%
Clonidine as a sympathetic depressant.
25%
Cyclobenzaparine as a muscle relaxant.
Which of the following is wrong concerning the pharmacokinetics of morphine:
Anonymous Quiz
61%
Oral bioavailability of morphine is around 75%
22%
Can pass the placenta causing neonatal asph
6%
Better given by slow I.V injection in shock
11%
Can be excreted in saliva and stomachο»Ώο»Ώο»Ώ