Description : Morphine produces analgesia by acting at: A. Peripheral pain receptors B. A spinal site C. Supraspinal sites D. Both spinal and supraspinal sites
Last Answer : D. Both spinal and supraspinal sites
Description : Aspirin produces analgesia by (a) Preventing sensitization of peripheral pain receptors (b) Affecting gating of pain impulses at spinal level (c) Raising pain threshold at subcortical level (d) Both (a) and (b)
Last Answer : Ans: D
Description : Aspirin produces analgesia by: A. Preventing sensitization of peripheral pain receptors B. Affecting gating of pain impulses at spinal level C. Raising pain threshold at subcortical level D. Both ‘A’ and ‘C’ are correct
Last Answer : D. Both ‘A’ and ‘C’ are correct
Description : Which action of morphine is incompletely reversed by naloxone ? (a) Analgesia (b) Respiratory depression (c) Sedation (d) Miosis
Last Answer : Ans: C
Description : Which one of the following statements about dextromethorphan is accurate? (a) Activates kappa receptors (b) Analgesia equivalent to pentazocine (c) Highly effective antiemetic (d) Less constipation than codeine (e) Use requires a prescription
Description : The following are true about pain: a. in disseminated cancer can be effectively relieved by hypophysectomy b. does not ascend through the dorsal column of the spinal cord c. is transmitted faster ... fibres than the A delta fibres d. stimulation of the ß receptors in the brain produces analgesia
Last Answer : stimulation of the ß receptors in the brain produces analgesia
Description : The greatest threat from morphine poisoning is (a) Renal shutdown (b) Paralysis of spinal cord (c) Respiratory depression (d) Cardiovascular collapse (e) None of the above
Description : Morphine is contraindicated in head injury because (a) It does not relieve the pain of head injury (b) It can raise intracranial tension (c) It can cause constipation (d) It is liable to cause addiction
Last Answer : Ans: B
Description : A very common side effect of morphine is (a) Allergic response (b) Blood dyscrasias (c) Constipation (d) Liver damage (e) Visceral pain
Description : All of the following facts are true about non-steroidal anti-inflammatory drugs (NSAIDs) except (a) They are antipyretic (b) There is a celling effect to their analgesia (c) They can cause tolerance (d) They do not cause dependence (e) They are anti-inflammatory
Description : Fentanyl transdermal patches have been used postoperatively to provide transdermal analgesia. The most dangerous adverse effect of this mode of administration is (a) Cutaneous reactions (b) Diarrhea (c) Hypertension (d) Relaxation of skeletal muscle (e) Respiratory depression
Last Answer : Ans: E
Description : Morphine dependence is characterized by (a) Marked drug seeking behavior (b) Physical dependence without psychic dependence (c) Physical as well as psychic dependence (d) Both (a) and (c)
Description : Lower dose of naloxone is required to (a) Antagonise the actions of nalorphine (b) Antagonise the actions of pentazocine (c) Precipitate withdrawal in mildly morphine dependent subjects (d) Precipitate withdrawal in highly morphine dependent subjects
Description : Pentazocine differs from morphine in that (a) It is inactive by the oral route (b) It does not produce physical dependence (c) It has a lower ceiling of analgesic effect (d) Its action is not blocked by naloxone
Description : Morphine has high affinity for the following opioid receptor(s). (a) µ (Mu) (b) k (Kappa) (c) d (Delta) (d) All of the above
Last Answer : Ans: A
Description : Which of the following opioids is more potent than morphine ? (a) Pethidine (b) Fentanyl (c) Dextropropoxyphene (d) Tramadol
Description : In a comatose patient suspected of poisoning, which of the following findings would be against the drug being morphine (a) Selegiline (b) Chlorgiline (c) Moclobemide (d) Tranylcypromine
Description : Instead of depressing, morphine stimulates (a) Vasomotor centre (b) Edinger westphal nucleus (c) Temperature regulating centre (d) Cough centre
Description : In man sedation caused by morphine is characterized by (a) Initial excitement (b) Little or no motor incoordination (c) Rise in seizure threshold (d) All of the above
Description : The emetic action of morphine is due to (a) Irritation of gastrointestinal tract (b) Stimulation of cerebral cortex (c) Stimulation of medullary vomiting center (d) Stimulation of emetic chemoreceptor trigger zone (e) None of the above
Description : Which of the following narcotics has the longest duration of effect? (a) Methadone (b) Controlled-release morphine (c) Levorphanol (d) Transdermal fentanyl (e) Dihydromorphone
Description : A drug that decreases blood pressure and has analgesic and spasmolytic effects when given intrathecally is (a) Atenolol (b) Clonidine (c) Morphine (d) Nitroprusside (e) Prazosin
Description : Opioid analgesics are either contraindicated or must be used with extreme caution in several clinical situations. For morphine, such situations do not include (a) Aqueous diffusion (b) Aqueous hydrolysis (c) Lipid diffusion (d) Pinocytosis or endocytosis (e) Special carrier transport
Description : Select the analgesic which acts through opioids as well as additional spinal monoaminergic mechanisms. (a) Tramadol (b) Ethoheptazine (c) Dextropropoxyphene (d) Alfentanil
Description : Patients taking chronic doses of nonselective nonsteroidal anti-inflammatory drugs (NSAIDs) should periodically be screened for which of the following toxicities? (a) Nephrotoxicity (b) Peripheral neuropathy (c) Cardiotoxicity (d) All of the above (e) None of the above
Description : Morphine analgesia differs from that produced by aspirin in the following respect(s): A. It has a higher ceiling B. It covers both perception as well as psychic processing of the pain C. Visceral and ischaemic pain is relieved better than somatic inflammatory pain D. All of the above are correct
Last Answer : D. All of the above are correct
Description : Diamprit is an agonist of ______ receptors, except (a) H1 (b) H2 (c) H3 (d) All of the above
Description : This drug, which does not activate opioid receptors, has been proposed as a maintenance drug in treatment programs for opioid addicts; a singly oral dose will block the effects of injected heroin for up to 48 hours (a) Amphetamine (b) Buprenorphine (c) Naloxone (d) Naltrexone (e) Propoxyphene
Description : Which of the following drugs may be effective in the treatment of gouty arthritis by acting by two separate and distinct mechanisms? (a) Allopurinol (b) Probenecid (c) Colchicine (d) Indomethacin (e) Sulfinpyrazone
Description : Aspirin in low doses produces longlasting inhibition (a) Platelets contain low quantity of COX (b) Platelets cannot synthesize fresh COX molecules (c) Platelets bind aspirin with high affinity (d) Platelet COX is inducible
Description : Autacoids differ from hormones in that (a) Autacoids are involved only in the causation of pathological states (b) Autacoids do not have a specific cell/ tissue of origin (c) Autacoids generally act locally at the site of generation and release (d) Both (b) and (c)
Description : Cylcoocygenase-II specific inhibitors block the following (a) Production of cytoprotective prostaglandins (b) Tumor necrosis factor - a (c) Production of prostaglandins responsible for pain and inflammation
Description : Which of the following statements best describes the usual course of rheumatoid arthritis? (a) It is an acute exacerbation of joint pain treated with short-term anti-inflammatory therapy (b) It is ... characterized by a marked loss of calcium from the bones and a resultant thinning of the bones
Description : A 65-year-old is interested in taking ginkgo. Which of the following statements is correct regarding ginkgo? (a) Ginkgo is contraindicated in diabetes and pregnancy (b) There is a ... drug-herb interaction between ginkgo and phenelzine (e) Ginkgo is contraindicated in patients with gallstone pain
Description : What is the most commom sign/symptom of hemorrhoids? (a) Bleeding (b) Pain (c) Seepage (d) Pruritus
Description : Which local anesthetic should be used to treat symptoms of pain, itching, burning, and disconfort in patients with an established lidocaine allergy? (a) Tetracaine (b) Dibucaine (c) Pramoxine (d) Benzocaine
Description : Which action of morphine is incompletely reversed by naloxone: A. Analgesia B. Respiratory depression C. Sedation D. Miosis
Last Answer : C. Sedation
Description : Significant tolerance does not develop to the following action of morphine: A. Analgesia B. Euphoria C. Sedation D. Miosis
Last Answer : D. Miosis
Description : Prostaglandins are chemical substances thought to a) increase sensitivity of pain receptors. Prostaglandins are believed to increase sensitivity to pain receptors by enhancing the pain-provoking ... opioid medications inhibit the transmission of noxious stimuli by mimicking enkephalin and endorphin.
Last Answer : a) increase sensitivity of pain receptors. Prostaglandins are believed to increase sensitivity to pain receptors by enhancing the pain-provoking effect of bradykinin.
Description : Low concentration of bupivacaine is preferred for spinal / epidural obstetric analgesia because: A. It has a longer duration of action B. It can produce sensory blockade without paralysing abdominal muscles C. ... in maternal tissues so that less reaches the foetus D. All of the above are correct
Description : The following statement is true about endogenous opioid peptides: A. They activate only μ opioid recepors B. They do not occur in peripheral tissues C. They mediate stress induced analgesia D. Naloxone fails to antagonise their actio
Last Answer : C. They mediate stress induced analgesia
Description : Aspirin reduces fever by (a) Decreasing heat production in the body (b) Enhancing cutaneous blood flow (c) Inducing sweating (d) Both (b) and (c)
Description : The early pregnancy uterus is sensitive to the following oxytocic (a) Oxytocin (b) Methylergometrine (c) Prostaglandin F2a (d) Both (a) and (b)
Description : Which type of patient is most likely to hypersensitive to aspirin? (a) Intrinsic asthamatic (b) Extrinsic asthamatic (c) Chronic bronchitic (d) Patient with viral injection (e) Both (c) and (d)
Description : Accidental poisonings are common with both aspirin and ibuprofen, two OC drugs available in tasty chewable tablets. In cases of overdose, aspirin is more likely than ibuprofen to cause (a) ... Instability (b) Hepatic necrosis (c) Metabolic acidosis (d) Thrombocytopenia (e) Ventricular arrhythmias
Description : Pyridostigmine differs from neostigmine in that: A. It is more potent orally B. It is longer acting C. It produces less muscarinic side effects D. It does not have any direct action on NM receptors
Last Answer : B. It is longer acting
Description : Identify the molecules (A) and (B) shown below and select the right option giving their source and use. (a) (A) Cocaine Erythroxylum Accelerates coca the transport of dopamine (b ... - Atropa Produces noid belladonna hallucinations (d) (A) Morphine Papaver Sedative and somniferum pain killer
Last Answer : (d) (A) Morphine Papaver Sedative and somniferum pain killer
Description : Generally the earliest manifestation of salicylism is (a) Visual disturbance (b) Excitement (c) Hyperventillation (d) Tinnitus
Description : In the treatment of chronic inflammatory diseases, the most important limitation of aspirin is (a) Acid – base and electrolytc disturbances (b) Hypersensitivity and idiosyncratic reactions (c) Gastric mucosal damage (d) Salicylism