Description : The organ most sensitive to actions of atropine is: A. Gastric glands B. Salivary glands C. Urinary bladder muscle D. Heart
Last Answer : B. Salivary glands
Description : Atropine produces the following actions except: A. Tachycardia B. Mydriasis C. Dryness of mouth D. Urinary incontinence
Last Answer : D. Urinary incontinence
Description : Atropine overdose may cause which one of the following (a) Gastrointestinal smooth muscle crampine (b) Increased cardiac rate (c) Increased gastric secretion (d) Pupillary constriction (e) Urinary frequency
Last Answer : Ans: B
Description : Children are more susceptible than adults to the following action of atropine: A. Tachycardia producing B. Cycloplegic C. Gastric antisecretory D. Central excitant and hyperthermic
Last Answer : D. Central excitant and hyperthermic
Description : Trapping of iodide by the following organ/organs is enhanced by thyrotropin: A. Thyroid B. Salivary gland C. Placenta D. All of the abov
Last Answer : A. Thyroid
Description : 17.1 Trapping of iodide by the following organ/organs is enhanced by thyrotropin: A. Thyroid B. Salivary gland C. Placenta D. All of the abov
Description : Which is the organ that excretes water, fat and various catabolic wastes : (1) Kidney (2) Skin (3) Spleen (4) Salivary glands
Last Answer : (1) Kidney Explanation: The kidneys are organs that serve several essential regulatory roles in most animals, including vertebrates and some invertebrates. They are essential in the urinary system and ... acid-base balance, and regulation of blood pressure (via maintaining salt and water balance).
Description : Which is the organ that excretes water, fat and various catabolic wastes ? (1) Kidney (2) Skin (3) Spleen (4) Salivary glands
Last Answer : Kidney
Description : Atropine does not exert relaxant/antispasmodic effect on the following muscle: A. Intestinal B. Ureteric C. Bronchial D. Laryngeal
Last Answer : D. Laryngeal
Description : Atropine does not antagonise the following feature of anticholinesterase poisoning: A. Hypotension B. Central excitation C. Muscle paralysis D. Bronchoconstriction
Last Answer : C. Muscle paralysis
Description : Choose the correct statement about drotaverine: A. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms B. It is a papaverine congener used in peripheral vascular diseases C. It ... used to control diarrhoea D. It is a M1/M3 selective antagonist used for spastic constipation
Last Answer : A. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms
Description : Metabolic rate of the following organ is not significantly affected by thyroxine: A. Brain B. Heart C. Liver D. Skeletal muscle
Last Answer : A. Brain
Description : 7.3 Metabolic rate of the following organ is not significantly affected by thyroxine: A. Brain B. Heart C. Liver D. Skeletal muscle
Description : In patients with benign prostatic hypertrophy, finasteride exerts the following action/actions: A. Reduces size of the prostate gland B. Increases peak urinary flow rate C. Relaxes vesical sphincter D. Both 'A' and 'B' are correct
Last Answer : D. Both 'A' and 'B' are correct
Description : Hyoscine differs from atropine in that it: A. Exerts depressant effects on the CNS at relatively low doses B. Exerts more potent effects on the heart than on the eye C. Is longer acting D. Has weaker antimotion sickness activity
Last Answer : A. Exerts depressant effects on the CNS at relatively low doses
Description : Metoclopramide has the following actions except: A. Increases lower esophageal sphincter tone B. Increases tone of pyloric sphincter C. Increases gastric peristalsis D. Increases intestinal peristalsis
Last Answer : B. Increases tone of pyloric sphincter
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 : The smooth muscle structure that is relaxed by cholinergic drugs is: A. Colon B. Gastric fundus C. Major bronchi D. Bladder trigone
Last Answer : D. Bladder trigone
Description : The following tissue is most sensitive to vasopressin: A. Renal collecting ducts B. Intestinal smooth muscle C. Vascular smooth muscle D. Uterus
Last Answer : A. Renal collecting ducts
Description : Select the tissue that is most sensitive to oxytocin: A. Myometrium B. Myoepithelium of mammary alveoli C. Vascular smooth muscle D. Renal collecting ducts
Last Answer : B. Myoepithelium of mammary alveoli
Description : A patient of congestive heart failure was being treated with furosemide and digoxin. He developed urinary tract infection. Which of the following antimicrobials should be avoided: A. Ampicillin B. Gentamicin C. Norfloxacin D. Cotrimoxazole
Last Answer : B. Gentamicin
Description : Choose the drug that has been found to be more selective for the ω1 subtype of BZD receptor, and produces hypnotic action but little antianxiety, muscle relaxant or anticonvulsant actions: A. Zopiclone B. Zolpidem C. Flumazenil D. Melatonin
Last Answer : B. Zolpidem
Description : Select the correct statement about benzodiazepines (BZDs): A. All BZDs facilitate GABA mediated Cl¯ influx into neurones B. Different BZDs exert the same degrees of hypnotic, anxiolytic and anticonvulsant ... at all neuronal sites D. The muscle relaxant action of BZDs is not blocked by flumazenil
Last Answer : A. All BZDs facilitate GABA mediated Cl¯ influx into neurones
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 : A 70-year-old man has severe urinary hesitancy associated with benign prostatic hyperplasia. He has tried alpha blockers with little relief. His physician recommends a drug that blocks 5a - reductase in ... prescription for (a) Atropine (b) Clonidine (c) Hydralazine (d) Neostigmine (e) Propranolol
Description : Which of the following statements regarding cytokines is incorrect? A. Cytokines act directly on target cells and may potentiate the actions of one another. B. Interleukin 1 (IL-1) ... organ dysfunction syndrome because of its multiple actions and the secondary cascades that it stimulates.
Last Answer : Answer: C DISCUSSION: Cytokines are soluble peptide molecules that are synthesized and secreted by a number of cell types in response to injury, inflammation, and infection. Cytokines, which ... is thought to play a central role in the stress response, particularly in response to endotoxemia
Description : A small amount of atropine is added to the diphenoxylate tablet/syrup to: A. Suppress associated vomiting of gastroenteritis B. Augment the antimotility action of diphenoxylate C. Block side effects of diphenoxylate D. Discourage overdose and abuse of diphenoxylate
Last Answer : D. Discourage overdose and abuse of diphenoxylate
Description : The progastrokinetic action of the following drug(s) is attenuated by atropine: A. Domperidone B. Metoclopramide C. Cisapride D. Both ‘B’ and ‘C’
Last Answer : D. Both ‘B’ and ‘C
Description : The following drug/drugs should not be used to treat tricyclic antidepressant drug poisoning: A. Quinidine B. Digoxin C. Atropine D. All of the above
Last Answer : D. All of the above
Description : The following drug is routinely used in preanaesthetic medication for prolonged operations: A. Atropine B. Morphine C. Promethazine D. Ranitidine
Last Answer : D. Ranitidine
Description : Use of morphine in preanaesthetic medication: A. Is routine except in the presence of contraindications B. Is restricted to patients being anaesthetised with ether C. Should be made only in combination with atropine D. Is restricted mostly to patients in pain preoperativel
Last Answer : D. Is restricted mostly to patients in pain preoperatively
Description : Select the drug that has been used to suppress labour: A. Atropine B. Ritodrine C. Prostaglandin E2 D. Progesterone
Last Answer : B. Ritodrine
Description : Atropine is contraindicated in: A. Pulmonary embolism B. Digitalis toxicity C. Iridocyclitis D. Raised intraocular tension
Last Answer : D. Raised intraocular tension
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 : Tolerance is generally not acquired to: A. Antisecretory action of atropine B. Sedative action of chlorpromazine C. Emetic action of levodopa D. Vasodilator action of nitrates
Last Answer : A. Antisecretory action of atropine
Description : Which racial difference in response to drugs has been mentioned incorrectly below: A. Africans require higher concentration of atropine to dilate pupils B. Black races are more responsive ... SMON due to halogenated hydroxyquinolines D. Chloramphenicol induced aplastic anaemia is rare among Indians
Last Answer : B. Black races are more responsive to antihypertensive action of beta blockers
Description : Which of the following drugs acts by inhibiting an enzyme in the body: A. Atropine B. Allopurinol C. Levodopa D. Metoclopramide
Last Answer : B. Allopurinol
Description : The mydriatic incapable of producing cycloplegia sufficient for refraction testing in children is: A. Atropine B. Hyoscine C. Homatropine D. Cyclopentolate
Last Answer : C. Homatropine
Description : The most suitable mydriatic for a patient of corneal ulcer is: A. Atropine sulfate B. Homatropine C. Cyclopentolate D. Tropicamide
Last Answer : A. Atropine sulfate
Description : Which of the following mydriatics has the fastest and briefest action: A. Atropine B. Homatropine C. Tropicamide D. Cyclopentolate
Last Answer : C. Tropicamide
Description : The quarternary analogues of belladonna alkaloids are preferred over the natural alkaloids for antisecretory/ antispasmodic indications because: A. They have additional nicotinic receptor blocking activity B. They are ... of CNS and ocular effects D. Dose to dose they are more potent than atropine
Last Answer : C. They are devoid of CNS and ocular effects
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