The most vulnerable period of pregnancy for the causation of foetal malformations due to drugs is: A. 18-55 days of gestation B. 56-84 days of gestation C. Second trimester D. 36 weeks onwards

The most vulnerable period of pregnancy for the
causation of foetal malformations due to drugs is:
A. 18-55 days of gestation
B. 56-84 days of gestation
C. Second trimester
D. 36 weeks onwards
by

1 Answer

Answer :

A. 18-55 days of gestation
by

Related questions

The most vulnerable period of pregnancy for the causation of foetal malformations due to drugs is: A. 18-55 days of gestation B. 56-84 days of gestation C. Second trimester D. 36 weeks onwards

Description : The most vulnerable period of pregnancy for the causation of foetal malformations due to drugs is: A. 18-55 days of gestation B. 56-84 days of gestation C. Second trimester D. 36 weeks onwards

Last Answer : A. 18-55 days of gestation

With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of epithelial cells d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Description : With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of ... d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Last Answer : the lens first appears at 27 days of gestation

Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation is completed before 6 weeks of pregnancy .

Description : Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation is completed before 6 weeks of pregnancy .

Last Answer : Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation ... . If both Assertion & Reason are False.

If the pregnancy of a woman is within the first trimester (within 12 weeks), for medical termination of pregnancy (MTP) a) opinion of one doctor is necessary b) opinions of two doctors are necessary c) opinion of a medical board with more than two doctors is necessary d) permission from the local civil court is necessary

Description : If the pregnancy of a woman is within the first trimester (within 12 weeks), for medical termination of pregnancy (MTP) a) opinion of one doctor is necessary b) opinions of two doctors ... medical board with more than two doctors is necessary d) permission from the local civil court is necessary  

Last Answer : a) opinion of one doctor is necessary

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 to antihypertensive action of beta blockers C. Japanese are more prone to develop SMON due to halogenated hydroxyquinolines D. Chloramphenicol induced aplastic anaemia is rare among Indians

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

What to expect in the second trimester of a pregnancy?

Description : What to expect in the second trimester of a pregnancy?

Last Answer : In the second trimester you can expect that you stomach will continue to grow and expand as your baby grows. You will likely feel kicks, rolls and hiccups and may even start to feel a painless ... your stomach. You may also get relief from any nausea and vomitting you had during the first trimester.

Out of the following, which is the most ideal time for insertion of an intra uterine contraceptive device? Options: 1) Immediate post-partum i.e. within first week of delivery 2) Post-puerperal i.e. 6-8 weeks after delivery 3) Immediately after second trimester legal abortion 4) During last week of menstrual cycle

Description : Out of the following, which is the most ideal time for insertion of an intra uterine contraceptive device? Options: 1) Immediate post-partum i.e. within first week of delivery2) Post- ... after delivery 3) Immediately after second trimester legal abortion 4) During last week of menstrual cycle

Last Answer : Correct Answer: 2) Post-puerperal i.e. 6-8 weeks after delivery

A woman aged 25 years is diagnosed to be suffering from pulmonary tuberculosis. She is also 8 weeks pregnant. Antitubercular therapy for her should be: A. Started immediately B. Delayed till end of first trimester C. Delayed till end of second trimester D. Delayed till after confinement

Description : A woman aged 25 years is diagnosed to be suffering from pulmonary tuberculosis. She is also 8 weeks pregnant. Antitubercular therapy for her should be: A. Started immediately B. Delayed till end of first trimester C. Delayed till end of second trimester D. Delayed till after confinement

Last Answer : . Started immediately

If measured in weeks how long is the normal gestation period?

Description : If measured in weeks how long is the normal gestation period?

Last Answer : 40

The following statement is true in relation to ‘drug toxicity’ and ‘poisoning’: A. The two terms are synonymous B. When a toxic effect requires specific treatment, it is called poisoning C. A toxic effect which endangers life by markedly affecting vital functions is called poisoning D. Toxicity is caused by drugs while poisoning is caused by other harmful chemicals

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Last Answer : C. A toxic effect which endangers life by markedly affecting vital functions is called poisoning

In congestive heart failure patients: A. Volume of distribution of all drugs is increased B. Hepatic clearance of drugs is unaffected C. Orally administered diuretics may not be effective, but the same may work parenterally D. Inotropic action of digoxin is attenuated

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The following statement is not correct for uremic patients: A. Attainment of steady-state plasma concentration of drugs eliminated through the kidney is hastened B. Pethidine can cause seizures C. Diazepam produces exaggerated CNS depression D. Tetracyclines further raise blood urea level

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Last Answer : A. Attainment of steady-state plasma concentration of drugs eliminated through the kidney is hastened

In patients of hepatic cirrhosis: A. The extent of change in pharmacokinetics of drugs can be predicted from the values of liver function tests B. High doses of furosemide can be safely used C. Metformin is the preferred oral hypoglycaemic D. Disposition of atenolol is not significantly affected

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Last Answer : D. Disposition of atenolol is not significantly affected

The pharmacokinetics of drugs in the neonate differs from that in adults, because their: A. Intestinal transit is fast B. Drug metabolizing enzymes are overactive C. Tubular transport mechanisms are not well developed D. Glomerular filtration rate is high

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Last Answer : C. Tubular transport mechanisms are not well developed

If the effect of combination of two drugs is equal to the sum of their individual effects, the two drugs are exhibiting: A. Potentiation B. Synergism C. Cross tolerance D. Antagonism

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Last Answer : B. Synergism

Compared to the drug named within parenthesis, which of the following drugs has a higher potency but lower efficacy: A. Pethidine (morphine) B. Furosemide (hydrochlorothiazide) C. Diazepam (pentobarbitone) D. Enalapril (captopril)

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Last Answer : C. Diazepam (pentobarbitone)

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Drugs acting through receptors exhibit the following features except: A. Structural specificity B. High potency C. Competitive antagonism D. Dependence of action on lipophilicity

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What is true in relation to drug receptors: A. All drugs act through specific receptors B. All drug receptors are located on the surface of the target cells C. Agonists induce a conformational change in the receptor D. Partial agonists have low affinity for the receptor

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Monitoring of blood levels of diuretic drugs is not practised because: A. No sensitive methods for measuring blood levels of diuretics are available B. It is easier to measure the effect of these drugs C. Response to diuretics is not related to their blood levels D. Diuretics need activation in the body

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Last Answer : B. It is easier to measure the effect of these drugs

Drugs which undergo high degree of first-pass metabolism in liver: A. Have low oral bioavailability B. Are excreted primarily in bile C. Are contraindicated in liver disease D. Exhibit zero order kinetics of elimination

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A prodrug is: A. The prototype member of a class of drugs B. The oldest member of a class of drugs C. An inactive drug that is transformed in the body to an active metabolite D. A drug that is stored in body tissues and is then gradually released in the circulation

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Last Answer : C. Convert lipid soluble drugs into nonlipid soluble metabolites

Marked redistribution is a feature of: A. Highly lipid soluble drugs B. Poorly lipid soluble drugs C. Depot preparations D. Highly plasma protein bound drugs

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Last Answer : A. Highly lipid soluble drugs

Weakly acidic drugs: A. Are bound primarily to α1 acid glycoprotein in plasma B. Are excreted faster in alkaline urine C. Are highly ionized in the gastric juice D. Do not cross blood-brain barrier

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Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage of lipid soluble drugs into the brain C. It limits entry of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

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Last Answer : D. It regulates passage of substances from brain into blood

The blood-brain barrier, which restricts entry of many drugs into brain, is constituted by: A. P-glycoprotein efflux carriers in brain capillary cells B. Tight junctions between endothelial cells of brain capillaries C. Enzymes present in brain capillary walls D. All of the above

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Last Answer : D. All of the above

Marked redistribution is a feature of: A. Highly lipid soluble drugs B. Poorly lipid soluble drugs C. Depot preparations D. Highly plasma protein bound drugs

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Last Answer : A. Highly lipid soluble drugs

Tricyclic antidepressants can alter the oral absorption of many drugs by: A. Complexing with the other drug in the intestinal lumen B. Altering gut motility C. Altering gut flora D. Damaging gut mucosa

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Last Answer : B. Altering gut motility

The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

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Which of the following drugs is most likely to be absorbed from the stomach: A. Morphine sulfate B. Diclofenac sodium C. Hyoscine hydrobromide D. Quinine dihydrochloride

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Last Answer : B. Diclofenac sodium

3 Diffusion of drugs across cell membrane: A. Is dependent upon metabolic activity of the cell B. Is competitively inhibited by chemically related drugs C. Is affected by extent of ionization of drug molecules D. Exhibits saturation kinetics

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Last Answer : A. Passive diffusion

Alkalinization of urine hastens the excretion of: A. Weakly basic drugs B. Weakly acidic drugs C. Strong electrolytes D. Nonpolar drugs

Description : Alkalinization of urine hastens the excretion of: A. Weakly basic drugs B. Weakly acidic drugs C. Strong electrolytes D. Nonpolar drugs

Last Answer : A. Weakly basic drugs

Compared to subcutaneous injection, the intramuscular injection of drugs: A. Is more painful B. Produces faster response C. Is unsuitable for depot preparations D. Carries greater risk of anaphylactic reaction

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Last Answer : B. Produces faster response

Which of the following drugs is administered by intranasal spray/application for systemic action: A. Phenylephrine B. Desmopressin C. Azelastine D. Beclomethasone dipropionate

Description : Which of the following drugs is administered by intranasal spray/application for systemic action: A. Phenylephrine B. Desmopressin C. Azelastine D. Beclomethasone dipropionate

Last Answer : B. Desmopressin

`Essential drugs’ are: A. Life saving drugs B. Drugs that meet the priority health care needs of the population C. Drugs that must be present in the emergency bag of a doctor D. Drugs that are listed in the pharmacopoia of a country

Description : `Essential drugs’ are: A. Life saving drugs B. Drugs that meet the priority health care needs of the population C. Drugs that must be present in the emergency bag of a doctor D. Drugs that are listed in the pharmacopoia of a country

Last Answer : B. Drugs that meet the priority health care needs of the population

The smooth muscle structure that is relaxed by cholinergic drugs is: A. Colon B. Gastric fundus C. Major bronchi D. Bladder trigone

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

Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Description : Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Last Answer : B. Haptenes

The following statement is true in relation to ‘drug toxicity’ and ‘poisoning’: A. The two terms are synonymous B. When a toxic effect requires specific treatment, it is called poisoning C. A toxic effect which endangers life by markedly affecting vital functions is called poisoning D. Toxicity is caused by drugs while poisoning is caused by other harmful chemicals

Description : The following statement is true in relation to drug toxicity' and poisoning': A. The two terms are synonymous B. When a toxic effect requires specific treatment, it is called poisoning C. ... is called poisoning D. Toxicity is caused by drugs while poisoning is caused by other harmful chemicals

Last Answer : C. A toxic effect which endangers life by markedly affecting vital functions is called poisoning

Interaction between the following pair of drugs can be avoided by making suitable adjustments: A. Levodopa and metoclopramide B. Furosemide and indomethacin C. Tetracyclines and ferrous sulfate D. Clonidine and chlorpromazine

Description : Interaction between the following pair of drugs can be avoided by making suitable adjustments: A. Levodopa and metoclopramide B. Furosemide and indomethacin C. Tetracyclines and ferrous sulfate D. Clonidine and chlorpromazine

Last Answer : C. Tetracyclines and ferrous sulfate

In congestive heart failure patients: A. Volume of distribution of all drugs is increased B. Hepatic clearance of drugs is unaffected C. Orally administered diuretics may not be effective, but the same may work parenterally D. Inotropic action of digoxin is attenuated

Description : In congestive heart failure patients: A. Volume of distribution of all drugs is increased B. Hepatic clearance of drugs is unaffected C. Orally administered diuretics may not be effective, but the same may work parenterally D. Inotropic action of digoxin is attenuated

Last Answer : C. Orally administered diuretics may not be effective, but the same may work parenterally

The following statement is not correct for uremic patients: A. Attainment of steady-state plasma concentration of drugs eliminated through the kidney is hastened B. Pethidine can cause seizures C. Diazepam produces exaggerated CNS depression D. Tetracyclines further raise blood urea level

Description : The following statement is not correct for uremic patients: A. Attainment of steady-state plasma concentration of drugs eliminated through the kidney is hastened B. Pethidine can cause seizures C. Diazepam produces exaggerated CNS depression D. Tetracyclines further raise blood urea level

Last Answer : A. Attainment of steady-state plasma concentration of drugs eliminated through the kidney is hastened

In patients of hepatic cirrhosis: A. The extent of change in pharmacokinetics of drugs can be predicted from the values of liver function tests B. High doses of furosemide can be safely used C. Metformin is the preferred oral hypoglycaemic D. Disposition of atenolol is not significantly affected

Description : In patients of hepatic cirrhosis: A. The extent of change in pharmacokinetics of drugs can be predicted from the values of liver function tests B. High doses of furosemide can be safely used C. Metformin is the preferred oral hypoglycaemic D. Disposition of atenolol is not significantly affected

Last Answer : D. Disposition of atenolol is not significantly affected

The pharmacokinetics of drugs in the neonate differs from that in adults, because their: A. Intestinal transit is fast B. Drug metabolizing enzymes are overactive C. Tubular transport mechanisms are not well developed D. Glomerular filtration rate is high

Description : The pharmacokinetics of drugs in the neonate differs from that in adults, because their: A. Intestinal transit is fast B. Drug metabolizing enzymes are overactive C. Tubular transport mechanisms are not well developed D. Glomerular filtration rate is high

Last Answer : C. Tubular transport mechanisms are not well developed

Fixed dose combination formulations are not necessarily appropriate for: A. Drugs administered in standard doses B. Drugs acting by the same mechanism C. Antitubercular drugs D. Antihypertensive drugs

Description : Fixed dose combination formulations are not necessarily appropriate for: A. Drugs administered in standard doses B. Drugs acting by the same mechanism C. Antitubercular drugs D. Antihypertensive drugs

Last Answer : B. Drugs acting by the same mechanism

The dose of the following class of drugs has to be adjusted by repeated measurement of the affected physiological parameter: A. Oral contraceptives B. Antiepileptics C. Antidepressants D. Oral anticoagulants

Description : The dose of the following class of drugs has to be adjusted by repeated measurement of the affected physiological parameter: A. Oral contraceptives B. Antiepileptics C. Antidepressants D. Oral anticoagulants

Last Answer : D. Oral anticoagulants

If the effect of combination of two drugs is equal to the sum of their individual effects, the two drugs are exhibiting: A. Potentiation B. Synergism C. Cross tolerance D. Antagonism

Description : If the effect of combination of two drugs is equal to the sum of their individual effects, the two drugs are exhibiting: A. Potentiation B. Synergism C. Cross tolerance D. Antagonism

Last Answer : B. Synergism

Compared to the drug named within parenthesis, which of the following drugs has a higher potency but lower efficacy: A. Pethidine (morphine) B. Furosemide (hydrochlorothiazide) C. Diazepam (pentobarbitone) D. Enalapril (captopril)

Description : Compared to the drug named within parenthesis, which of the following drugs has a higher potency but lower efficacy: A. Pethidine (morphine) B. Furosemide (hydrochlorothiazide) C. Diazepam (pentobarbitone) D. Enalapril (captopril)

Last Answer : C. Diazepam (pentobarbitone)

Which of the following drugs exhibits ‘therapeutic window’ phenomenon: A. Captopril B. Furosemide C. Diazepam D. Imipramine

Description : Which of the following drugs exhibits ‘therapeutic window’ phenomenon: A. Captopril B. Furosemide C. Diazepam D. Imipramine

Last Answer : D. Imipramine