Description : The nonselective α adrenergic blockers produce the following actions except: A. Postural hypotension B. Bradycardia C. Miosis D. Inhibition of ejaculation
Last Answer : B. Bradycardia
Description : Actions of chlorpromazine include the following except: A. Indifference to external stimuli B. Postural hypotension C. Hypoprolactinemia D. Hypothermia in cold surroundings
Last Answer : C. Hypoprolactinemia
Description : Insulin release from pancreatic β cells is augmented by the following except: A. Ketone bodies B. Glucagon C. Vagal stimulation D. Alfa adrenergic agonists
Last Answer : D. Alfa adrenergic agonist
Description : Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings
Last Answer : D. Blockade of muscarinic autoreceptors on vagal nerve endings
Description : The mechanisms involved in the causation of dangerous cardiac arrhythmias due to overdose of tricyclic antidepressants include the following except: A. Intraventricular conduction block B. Potentiation of noradrenaline C. Antagonism of acetylcholine D. Increased vagal tone
Last Answer : D. Increased vagal tone
Description : Which action of morphine is incompletely reversed by naloxone: A. Analgesia B. Respiratory depression C. Sedation D. Miosis
Last Answer : C. Sedation
Description : Actions of pilocarpine include the following except: A. Sweating B. Salivation C. Miosis D. Cycloplegia
Last Answer : D. Cycloplegia
Description : Histamine exerts the following actions except: A. Dilatation of large blood vessels B. Dilatation of small blood vessels C. Stimulation of isolated guineapig heart D. Itching
Last Answer : A. Dilatation of large blood vessels
Description : The subjective effects of morphine include the following except: A. Dysphoria in many uninitiated individuals B. Euphoria in dependent subjects C. Visual hallucinations D. Detachment to self and surrounding
Last Answer : C. Visual hallucination
Description : Use of glycopyrrolate in preanaesthetic medication serves the following purposes except: A. Prevents respiratory secretions during anaesthesia B. Guards against reflex vagal bradycardia during ... Produces amnesia for perioperative events D. Reduces the probability of occurrence of laryngospasm
Last Answer : C. Produces amnesia for perioperative events
Description : Secretion of gastrin is evoked by (A) Entry of food into stomach (B) Vagal stimulation (C) Lower aliphatic alcohols (D) All of these
Last Answer : Answer : D
Description : Insulin secretion: a. is inhibited by atropine b. is increased by vagal stimulation c. is inhibited by amino acids d. is stimulated by beta agonists
Last Answer : is increased by vagal stimulation
Description : The following is not true of naltrexone: A. It produces agonistic actions of its own in the absence of morphine B. It is active orally C. It has a long duration of action D. It can reduce craving for alcohol in chronic alcoholics
Last Answer : A. It produces agonistic actions of its own in the absence of morphin
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
Last Answer : D. Precipitate withdrawal in highly morphine dependent subjects
Description : What is true of tolerance occurring in regular opium abusers: A. Tolerance develops to all actions of morphine B. No tolerance occurs to euphoric and sedative actions of morphine C. No ... to constipating and miotic actions of morphine D. Lethal dose of morphine is not significantly increased
Last Answer : C. No tolerance occurs to constipating and miotic actions of morphine
Description : Actions of adenosine include the following except: A. Depression of A-V node B. Coronary vasodilatation C. Bronchodilatation D. Fall in BP
Last Answer : C. Bronchodilatation
Description : Actions of bradykinin include the following except: A. Fall in blood pressure B. Cardiac depression C. Increase in capillary permeability D. Bronchoconstriction
Last Answer : B. Cardiac depression
Description : Actions of oxytocin include the following except: A. Vasoconstriction B. Increased water reabsorption in renal collecting ducts C. Contraction of mammary myoepithelium D. Release of prostaglandins from endometrium
Last Answer : A. Vasoconstriction
Description : Actions of progesterone include the following except: A. Rise in body temperature B. Endometrial proliferation C. Proliferation of acini in mammary gland D. Suppression of cell mediated immunity
Last Answer : B. Endometrial proliferatio
Description : Actions of thyroxine include the following except: A. Induction of negative nitrogen balance B. Reduction in plasma cholesterol level C. Fall in plasma free fatty acid level D. Rise in blood sugar leve
Last Answer : C. Fall in plasma free fatty acid level
Description : 17.5 Actions of thyroxine include the following except: A. Induction of negative nitrogen balance B. Reduction in plasma cholesterol level C. Fall in plasma free fatty acid level D. Rise in blood sugar level
Last Answer : D. Rise in blood sugar level
Description : 16.3 Actions of growth hormone include the following except: A. Increased protein synthesis B. Increased fat utilization C. Increased carbohydrate utilization D. Glucose intolerance
Last Answer : C. Increased carbohydrate utilization
Description : At therapeutic doses, actions of amphetamine include the following except: A. Prolongation of attention span B. Wakefulness C. Lowering of seizure threshold D. Delaying fatigue
Last Answer : C. Lowering of seizure threshold
Description : The metabolic actions of adrenaline include the following except: A. Glycogenolysis in liver and muscle B. Inhibition of neoglucogenesis in liver C. Lipolysis in adipose tissue D. Release of potassium from liver followed by its uptake
Last Answer : B. Inhibition of neoglucogenesis in liver
Description : The actions of platelet activating factor include the following except: A. Increased capillary permeability B. Bronchodilatation C. Vasodilatation D. Erosion of gastric mucosa
Last Answer : B. Bronchodilatation
Description : Which action of morphine is incompletely reversed by naloxone ? (a) Analgesia (b) Respiratory depression (c) Sedation (d) Miosis
Last Answer : Ans: C
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 : Depolarizing neuromuscular blockers differ from competitive blockers in the following attributes except: A. They induce contraction of isolated frog rectus abdominis muscle B. Ether anaesthesia ... produces well sustained contraction D. Neostigmine does not reverse block produced by them
Last Answer : B. Ether anaesthesia intensifies block produced by them
Description : Hydralazine is a directly acting vasodilator, but is not used alone as an antihypertensive because: A. By itself, it is a low efficacy antihypertensive B. Effective doses cause marked ... mechanisms D. It primarily reduces systolic blood pressure with little effect on diastolic blood pressure
Last Answer : C. Tolerance to the antihypertensive action develops early due to counterregulatory mechanisms
Description : n the treatment of hypertension the beta adrenergic blockers have the following advantage: A. They have minimal effect on work capacity, sleep quality and libido B. They do not cause ... high ceiling antihypertensive efficacy D. They can be used in combination with any other antihypertensive drug
Last Answer : B. They do not cause postural hypotension
Description : The following is not a feature of thiazide diuretics used as antihypertensive: A. They do not cause symptomatic postural hypotension B. The dose has to be titrated over a wide range ... has developed D. They decrease renal calcium excretion which may improve calcium balance in elderly patients
Last Answer : B. The dose has to be titrated over a wide range according to the response
Description : Which of the following adverse effects of neuroleptic drugs is positively correlated to the antipsychotic potency of the different compounds: A. Sedation B. Extrapyramidal motor disturbances C. Postural hypotension D. Lowering of seizure threshold
Last Answer : B. Extrapyramidal motor disturbances
Description : Which of the following adverse effects of levodopa has a delayed onset and increases in severity with continued therapy: A. Nausea and vomiting B. Postural hypotension C. Cardiac arrhythmia D. Abnormal movements
Last Answer : D. Abnormal movements
Description : Choose the correct statement about ondansetron: A. It is a dopamine D2 receptor antagonist B. It suppresses postoperative nausea and vomiting C. It is the most effective antiemetic for motion sickness D. It is not effective by oral route
Last Answer : B. It suppresses postoperative nausea and vomitin
Description : Granisetron is a: A. Second generation antihistaminic B. Drug for peptic ulcer C. Antiemetic for cancer chemotherapy D. New antiarrhythmic drug
Last Answer : C. Antiemetic for cancer chemotherapy
Description : 3 Select the antiemetic that prevents activation of emetogenic afferents in the gut and their central relay in chemoreceptor trigger zone/nucleus tractus solitarious, but has no effect on gastric motility: A. Ondansetron B. Domperidone C. Metoclopramide D. Cisaprid
Last Answer : A. Ondansetron
Description : The most effective antiemetic for controlling cisplatin induced vomiting is: A. Prochlorperazine B. Ondansetron C. Metoclopramide D. Promethazine
Last Answer : B. Ondansetron
Description : Which antiemetic selectively blocks levodopa induced vomiting without blocking its antiparkinsonian action: A. Metoclopramide B. Cisapride C. Domperidone D. Ondansetron
Last Answer : C. Domperidone
Description : Select the correct statement regarding the antiemetic efficacy of the three prokinetic drugs metoclopramide, domperidone and cisapride: A. Cisapride is the most effective B. Metoclopramide is the most effective C. Domperidone is the most effective D. All three are equally efficacious
Last Answer : B. Metoclopramide is the most effective
Description : Select the prokinetic-antiemetic drug which at relatively higher doses blocks both dopamine D2 as well as 5-HT3 receptors and enhances acetylcholine release from myenteric neurones: A. Cisapride B. Prochlorperazine C. Metoclopramide D. Domperidon
Last Answer : C. Metoclopramide
Description : Select the correct statement abut donepezil: A. It is a topical carbonic anhydrase inhibitor used in glaucoma B. It is a catechol-'O'-methyl transferase inhibitor used as adjuvant in ... affords symptomatic improvement in Alzheimer's disease D. It is a synthetic cannabinoid with antiemetic property
Last Answer : C. It is a cerebroselective anticholinesterase that affords symptomatic improvement in Alzheimer's diseas
Description : The following action of chlorpromazine is not based on its antidopaminergic property: A. Antipsychotic B. Hyperprolactinemic C. Antiemetic D. Hypotensive
Last Answer : D. Hypotensive
Description : Morphine affords symptomatic relief of dyspnoea in acute left ventricular failure by the following mechanisms except: A. Bronchodilatation B. Depression of respiratory centre C. Reduction in cardiac preload D. Shift of blood from pulmonary to systemic circuit
Last Answer : A. Bronchodilatation