Terbutaline has a preference for stimulation of which of the following receptors? (a) Alpha (b) Gamma (c) Beta 1 (d) Beta 2 (e) Dopaminergic

Terbutaline has a preference for stimulation of which of the following receptors? (a) Alpha (b) Gamma (c) Beta 1 (d) Beta 2 (e) Dopaminergic
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Which of the following terms best describes the antagonism of leukotriene’s bronchoconstrictor effect (mediated at leukotriene receptors) by terbutaline (acting a adrenoceptors) in a patient with asthma? (a) Pharmacologic antagonist (b) Partial agonist (c) Physiologic antagonist (d) Chemical antagonist (e) Noncompetitive antagonist

Description : Which of the following terms best describes the antagonism of leukotriene's bronchoconstrictor effect (mediated at leukotriene receptors) by terbutaline (acting a adrenoceptors) in a patient with ... ) Partial agonist (c) Physiologic antagonist (d) Chemical antagonist (e) Noncompetitive antagonist

Last Answer : Ans: C

Smooth muscle relaxation is due to stimulation of which type of histamine receptors (a) H1 (b) H2 (c) H3 (d) All of the above

Description : Smooth muscle relaxation is due to stimulation of which type of histamine receptors (a) H1 (b) H2 (c) H3 (d) All of the above

Last Answer : Ans: B

Which one of the following drugs is most suitable for management of essential tremor in a patient who has pulmonary disease? (a) Diazepam (b) Levodopa (c) Metoprolol (d) Propranolol (e) Terbutaline

Description : Which one of the following drugs is most suitable for management of essential tremor in a patient who has pulmonary disease? (a) Diazepam (b) Levodopa (c) Metoprolol (d) Propranolol (e) Terbutaline

Last Answer : Ans: C

Drugs that can dilate bronchi during an acute asthmatic attack include all of the following except (a) Epinephrine (b) Terbutaline (c) Nedocromil (d) Theophyline (e) Ipratropium

Description : Drugs that can dilate bronchi during an acute asthmatic attack include all of the following except (a) Epinephrine (b) Terbutaline (c) Nedocromil (d) Theophyline (e) Ipratropium

Last Answer : Ans: C

The antiasthma drug which cannot be administered by inhalation is (a) Theophylline (b) Ipratropium bromide (c) Budesonide (d) Terbutaline

Description : The antiasthma drug which cannot be administered by inhalation is (a) Theophylline (b) Ipratropium bromide (c) Budesonide (d) Terbutaline

Last Answer : Ans: A

Caffeine is more powerful than theophylline in exerting the following action (a) Bronchodilatation (b) Cardiac stimulation (c) Diuresis (d) Augmentation of skeletal muscle contractility

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Last Answer : Ans: D

Bronchodilators are useful in cough (a) Only when cough is non-productive (b) Only when cough is associated with thick sticky secretions (c) Only when reflex bronchoconstriction is associated (d) Irrespective of nature of cough or associated features Ans: C 51 The common and dose related side effect of salbutamol is (a) Rise in blood pressure (b) Muscle tremor (c) Hyperglycaemia (d) Central nervous system stimulation

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Last Answer : Ans: B

Which of the following will result from blockade of H2 receptors? (a) Decreased camp in cardiac muscle (b) Increased camp in cardiac muscle (c) Decreased IP3 in gastric mucosa (d) Increased IP3 in gastric mucosa (e) Increased IP3 in smooth muscle

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Last Answer : Ans: A

Bromhexine acts by (a) Inhibiting cough center (b) Irritating gastric mucosa and reflexly increasing bronchial secretion (c) Depolymerizing mucopolysaccharides present (d) Desensitizing stretch receptors in the lungs

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Last Answer : Ans: C

The capacity of an antihistaminic to produce sedation depends on the following except (a) Relative affinity for central versus peripheral H1 receptors (b) Ability to penetrate blood-brain barrier (c) Individual susceptibility (d) Ratio of H1 : H2 blockade produced by the drug

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Last Answer : Ans: D

Stimulation of the beta receptors give rise to: a. tachycardia b. increased myocardial contraction c. vasoconstriction of visceral vessels d. pupil dilatation

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Last Answer : increased myocardial contraction

Which of the following has the slowest conduction velocity. a. alpha fibers b. beta fibers c. gamma fibers d. B fibers e. C fibers

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If `cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma`, then which of the following is/are true:- (a)`cos(alpha-beta)+cos(beta-gamma)+cos(gamma-de

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Last Answer : If `cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma`, then which of the following is/are true:- (a)`cos( ... D. `A` is true and `B` is false

The order of acidic strength of the hydrogen atom `(H_(alpha), H_(beta), H_(gamma))` in the given molecule is : `CH_(3)-underset(H_(beta))underset(|)(

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The correct order of ionising capcity of `alpha, beta` and `gamma`-rays is

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Density order of `alpha, beta, gamma` forms in Sulphur

Description : Density order of `alpha, beta, gamma` forms in Sulphur

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If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called as (A) Alpha (B) Beta (C) Gamma (D) Epsilon

Description : If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called as (A) Alpha (B) Beta (C) Gamma (D) Epsilon

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Refsum’s disease results from a defect in the following pathway except (A) Alpha-oxidation of fatty acids (B) Beta-oxidation of fatty acids (C) Gamma-oxidation of fatty acids (D) Omega-oxidation of fatty acids

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If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called (A) Alpha (B) Beta (C) Gamma (D) Delta

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Last Answer : Answer : A

Which of the following type of radiation does not originate within the nucleus ? (a) Alpha (b) Beta (c) Gamma (d) X - rays

Description : Which of the following type of radiation does not originate within the nucleus ? (a) Alpha (b) Beta (c) Gamma (d) X - rays

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Consider the following statements: 1. The nuclear forces are short range forces. 2. Alpha rays emitted by a radionuclide are helium nucleus. 3. Gamma rays are electromagnetic waves. 4. Beta rays emitted by a radionuclide are negatively charged particles. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

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Last Answer : Ans:(c)

The maximum biological damage is produced by – (1) X rays (2) gamma - rays (3) beta - rays (4) alpha - rays

Description : The maximum biological damage is produced by – (1) X rays (2) gamma - rays (3) beta - rays (4) alpha - rays

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Isobar is produced by the emission of which of the following? (1) X-ray (2) Gamma ray (3) Beta ray (4) Alpha ray

Description : Isobar is produced by the emission of which of the following? (1) X-ray (2) Gamma ray (3) Beta ray (4) Alpha ray

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A radioactive substance emits? (1) alpha particle (2) beta particle (3) gamma particle (4) all of the three

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Mention the penetrative power of alpha, beta and gamma particles.

Description : Mention the penetrative power of alpha, beta and gamma particles.

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The following are water insoluble lens proteins: a. alpha crystalline b. beta crystalline c. gamma crystalline d. all above

Description : The following are water insoluble lens proteins: a. alpha crystalline b. beta crystalline c. gamma crystalline d. all above

Last Answer : all above

Of the hemolytic groups of streptococci, _____ is the most dangerous because the organisms completely destroy red blood cells. a. alpha hemolytic group b. the beta hemolytic group c. the gamma hemolytic d. strep viridins group

Description : Of the hemolytic groups of streptococci, _____ is the most dangerous because the organisms completely destroy red blood cells. a. alpha hemolytic group b. the beta hemolytic group c. the gamma hemolytic d. strep viridins group

Last Answer : b. the beta hemolytic group

Give the characteristics of Alpha , Beta & Gamma rays.

Description : Give the characteristics of Alpha , Beta & Gamma rays.

Last Answer : Characteristics of Alpha Rays : (1) Composition : They are comprised of positively charged particles. (2) Speed : Their speed is about 1/10 th of the speed of light. (3) Penetration : They cannot pass ... in any electric field. Hence they carry no charge. (5) Ionization : They can ionize air or gas.

Which of the following three nuclear radiations is the most penetrating? w) alpha x) beta y) gamma

Description : Which of the following three nuclear radiations is the most penetrating? w) alpha x) beta y) gamma

Last Answer : ANSWER: Y -- GAMMA

In radioactive decay, the emission of an electron is characteristic of: w) Alpha decay x) Beta decay y) Gamma decay z) X-rays

Description : In radioactive decay, the emission of an electron is characteristic of: w) Alpha decay x) Beta decay y) Gamma decay z) X-rays

Last Answer : ANSWER: X -- BETA DECAY

The atomic number of a nucleus will increase by 1 if which of the following is emitted by the nucleus? w) an alpha particle x) a positron y) a beta particle z) a gamma ray

Description : The atomic number of a nucleus will increase by 1 if which of the following is emitted by the nucleus? w) an alpha particle x) a positron y) a beta particle z) a gamma ray

Last Answer : ANSWER: Y -- BETA PARTICLE 

What form of radiation most closely resembles X-rays? w) alpha x) beta y) gamma z) neutron

Description : What form of radiation most closely resembles X-rays? w) alpha x) beta y) gamma z) neutron

Last Answer : ANSWER: Y -- GAMMA 

The maximum biological damage is produced by (1) X – rays (2) gamma – rays (3) beta – rays (4) alpha – rays

Description : The maximum biological damage is produced by (1) X – rays (2) gamma – rays (3) beta – rays (4) alpha – rays

Last Answer : gamma – rays

A radioactive substance does not undergo any change (in mass or charge) during (1) gamma-emission (2) oxidation (3) alpha-emission (4) beta-emission

Description : A radioactive substance does not undergo any change (in mass or charge) during (1) gamma-emission (2) oxidation (3) alpha-emission (4) beta-emission

Last Answer : gamma-emission

Dobutamine differs from dopamine in that (a) It does not activate peripheral dopaminergic receptors (b) It does not activate adrenergic ß receptors (c) It causes pronounced tachycardia (d) It has good blood-brain barrier penetrability

Description : Dobutamine differs from dopamine in that (a) It does not activate peripheral dopaminergic receptors (b) It does not activate adrenergic ß receptors (c) It causes pronounced tachycardia (d) It has good blood-brain barrier penetrability

Last Answer : Ans: A

Improvement of memory in Alzheimer's disease is brought about by drugs which increase transmission in (A) cholinergic receptors (B) dopaminergic receptors (C) GABAergic receptors (D) adrenergic receptors

Description : Improvement of memory in Alzheimer's disease is brought about by drugs which increase transmission in (A) cholinergic receptors (B) dopaminergic receptors (C) GABAergic receptors (D) adrenergic receptors

Last Answer : (A) cholinergic receptors

Activation of the following type of receptors present on myenteric neurones by metoclopramide is primarily responsible for enhanced acetylcholine release improving gastric motility: A. Muscarinic M1 B. Serotonergic 5-HT3 C. Serotonergic 5-HT4 D. Dopaminergic D2

Description : Activation of the following type of receptors present on myenteric neurones by metoclopramide is primarily responsible for enhanced acetylcholine release improving gastric motility: A. Muscarinic M1 B. Serotonergic 5-HT3 C. Serotonergic 5-HT4 D. Dopaminergic D2

Last Answer : C. Serotonergic 5-HT4

Choose the correct statement about lamotrigine: A. It is a dopaminergic agonist used in parkinsonism B. It acts by blocking NMDA-type of glutamate receptors C. It is a broad spectrum antiepileptic drug D. It suppresses tonic-clonic seizures, but worsens absence seizures

Description : Choose the correct statement about lamotrigine: A. It is a dopaminergic agonist used in parkinsonism B. It acts by blocking NMDA-type of glutamate receptors C. It is a broad spectrum antiepileptic drug D. It suppresses tonic-clonic seizures, but worsens absence seizures

Last Answer : C. It is a broad spectrum antiepileptic drug

Dobutamine differs from dopamine in that: A. It does not activate peripheral dopaminergic receptors B. It does not activate adrenergic β receptors C. It causes pronounced tachycardia D. It has good blood-brain barrier penetrability

Description : Dobutamine differs from dopamine in that: A. It does not activate peripheral dopaminergic receptors B. It does not activate adrenergic β receptors C. It causes pronounced tachycardia D. It has good blood-brain barrier penetrability

Last Answer : A. It does not activate peripheral dopaminergic receptors

Dopaminergic D1 and D2 as well as adrenergic α and β1, but not β2 receptors are activated by: A. Dopamine B. Dobutamine C. Methoxamine D. Phenylephrine

Description : Dopaminergic D1 and D2 as well as adrenergic α and β1, but not β2 receptors are activated by: A. Dopamine B. Dobutamine C. Methoxamine D. Phenylephrine

Last Answer : A. Dopamine

Dobutamine differs from dopamine in that: A. It does not activate peripheral dopaminergic receptors B. It does not activate adrenergic β receptors C. It causes pronounced tachycardia D. It has good blood-brain barrier penetrability

Description : Dobutamine differs from dopamine in that: A. It does not activate peripheral dopaminergic receptors B. It does not activate adrenergic β receptors C. It causes pronounced tachycardia D. It has good blood-brain barrier penetrability

Last Answer : A. It does not activate peripheral dopaminergic receptors

Dopaminergic D1 and D2 as well as adrenergic α and β 1, but not β 2 receptors are activated by: A. Dopamine B. Dobutamine C. Methoxamine D. Phenylephrine

Description : Dopaminergic D1 and D2 as well as adrenergic α and β 1, but not β 2 receptors are activated by: A. Dopamine B. Dobutamine C. Methoxamine D. Phenylephrine

Last Answer : A. Dopamine

Acute exacerbations of asthma can be triggered by all of the following except (a) Bacterial or viral pneumonia (b) Hypersensitivity reaction to penicillin (c) Discontinuation of asthma medication (d) Hot, dry weather (e) Stressful emotional events

Description : Acute exacerbations of asthma can be triggered by all of the following except (a) Bacterial or viral pneumonia (b) Hypersensitivity reaction to penicillin (c) Discontinuation of asthma medication (d) Hot, dry weather (e) Stressful emotional events

Last Answer : Ans: D

The symptoms of allergen-mediated asthma result from which of the following? (a) Increased release of mediators from mast cells (b) Increased adrenergic responsiveness of the airways (c) Inceased vascular permeability of bronchial tissue (d) Decreased calcium influx into the mast cell (e) Decreased prostaglandin production

Description : The symptoms of allergen-mediated asthma result from which of the following? (a) Increased release of mediators from mast cells (b) Increased adrenergic responsiveness of the airways (c) ... bronchial tissue (d) Decreased calcium influx into the mast cell (e) Decreased prostaglandin production

Last Answer : Ans: A

Relative to fexofenadine, diphenhydramine is more likely to (a) Be used for treatment of asthma (b) Be used for treatment of gastroesophageal reflux disease (c) Cause cardiac arrhythmias in overdose (d) Have efficacy in the prevention of motion sickness (e) Increase the serum concentration of warfarin

Description : Relative to fexofenadine, diphenhydramine is more likely to (a) Be used for treatment of asthma (b) Be used for treatment of gastroesophageal reflux disease (c) Cause cardiac arrhythmias in ... ) Have efficacy in the prevention of motion sickness (e) Increase the serum concentration of warfarin

Last Answer : Ans: D

A drug useful in the treatment of asthma but lacking bronchodilator action, is (a) Cromolyn (b) Ephedrine (c) Isoproterenol (d) Metaproterenol (e) Metoprolol

Description : A drug useful in the treatment of asthma but lacking bronchodilator action, is (a) Cromolyn (b) Ephedrine (c) Isoproterenol (d) Metaproterenol (e) Metoprolol

Last Answer : Ans: A

Which of the following is a very longacting ß2 – selective agonist that is used for asthma prophylaxis? (a) Aminophyline (b) Cromolyn (c) Epinephrine (d) Ipratropium (e) Salmeterol

Description : Which of the following is a very longacting ß2 – selective agonist that is used for asthma prophylaxis? (a) Aminophyline (b) Cromolyn (c) Epinephrine (d) Ipratropium (e) Salmeterol

Last Answer : Ans: E

Which of the following has overdose toxicity that includes insomnia, arrhythmias, and convulsions? (a) Aminophyline (b) Cromolyn (c) Epinephrine (d) Ipratropium (e) Metaproterenol

Description : Which of the following has overdose toxicity that includes insomnia, arrhythmias, and convulsions? (a) Aminophyline (b) Cromolyn (c) Epinephrine (d) Ipratropium (e) Metaproterenol

Last Answer : Ans: A