What drug decreases brain activity?

What drug decreases brain activity?
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A young drug addict used to show synptoms of depressed brain activity, feeling of calmnes , relaxation and drowsiness. Possibly he was taking:

Description : A young drug addict used to show synptoms of depressed brain activity, feeling of calmnes , relaxation and drowsiness. Possibly he was taking:

Last Answer : A young drug addict used to show synptoms of depressed brain activity, feeling of calmnes , ... Amphetamine B. Marijuana C. Pethadine D. Valium

For individuals known to be dying by virtue of age and/or diagnoses, which of the following signs indicate approaching death: a) Increased restlessness As the oxygen supply to the brain decreases, the patient may become restless. b) Increased wakefulness As the body weakens, the patient will sleep more and begin to detach from the environment. c) Increased eating For many patients, refusal of food is an indication that they are ready to die. d) Increased urinary output Based upon decreased intake, urinary output generally decreases in amount and frequency.

Description : For individuals known to be dying by virtue of age and/or diagnoses, which of the following signs indicate approaching death: a) Increased restlessness As the oxygen supply to the ... Increased urinary output Based upon decreased intake, urinary output generally decreases in amount and frequency.

Last Answer : a) Increased restlessness As the oxygen supply to the brain decreases, the patient may become restless.

Insulin decreases the activity of (A) cAMP dependent protein kinase (B) HMG CoA-reductas (C) Phosphodiesterase (D) Acetyl CoA-carboxylase

Description : Insulin decreases the activity of (A) cAMP dependent protein kinase (B) HMG CoA-reductas (C) Phosphodiesterase (D) Acetyl CoA-carboxylase

Last Answer : Answer : A

The deficiency of copper decreases the activity of the enzyme: (A) Lysine oxidase (B) Lysine hydroxylase (C) Tyrosine oxidase (D) Proline hydroxylase

Description : The deficiency of copper decreases the activity of the enzyme: (A) Lysine oxidase (B) Lysine hydroxylase (C) Tyrosine oxidase (D) Proline hydroxylase

Last Answer : Answer : A

In non competitive enzyme activity inhibition, inhibitor (A) Increases Km (B) Decreases Km (C) Does not effect Km (D) Increases Km

Description : In non competitive enzyme activity inhibition, inhibitor (A) Increases Km (B) Decreases Km (C) Does not effect Km (D) Increases Km

Last Answer : Answer : C

In competitive enzyme activity inhibition (A) The structure of inhibitor generally resembles that of the substrate (B) Inhibitor decreases apparent Km (C) Km remains unaffective (E) Inhibitor decreases Vmax without affecting Km

Description : In competitive enzyme activity inhibition (A) The structure of inhibitor generally resembles that of the substrate (B) Inhibitor decreases apparent Km (C) Km remains unaffective (E) Inhibitor decreases Vmax without affecting Km

Last Answer : Answer : A

Consider the following statements associated with the germination of an angiospermous seed: (1) As the seed gets hydrated and germinates, enzymatic activity is increased (2) The respiration rate of the germinating seed increases along with the increased enzymatic activity (3) The increase in the respiratory rate continues till senescence (4) Rate of enzymatic activity decreases

Description : Consider the following statements associated with the germination of an angiospermous seed: (1) As the seed gets hydrated and germinates, enzymatic activity is increased (2) The respiration ... The increase in the respiratory rate continues till senescence (4) Rate of enzymatic activity decreases

Last Answer : Ans. ((b))

Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature. (A) Decreases (B) Increases (C) Remains constant

Description : Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature. (A) Decreases (B) Increases (C) Remains constant

Last Answer : (B) Increases

The activity co-efficient of the solute in a dilute solution (A) Decreases with the increase of concentration of the solute (B) Increases with the increase of concentration of the solute (C) Remains constant (D) Is unity at infinite dilution

Description : The activity co-efficient of the solute in a dilute solution (A) Decreases with the increase of concentration of the solute (B) Increases with the increase of concentration of the solute (C) Remains constant (D) Is unity at infinite dilution

Last Answer : (C) Remains constant

Which statement is NOT correct about PTH? A) When calcium level rises, PTH secretion is inhibited. B) When calcium level lowers, PTH secretion is stimulated. C) PTH has the opposite effect of calcitonin. D) PTH stimulates calcium absorption from the gut. E) PTH decreases the activity of osteoclasts.

Description : Which statement is NOT correct about PTH? A) When calcium level rises, PTH secretion is inhibited. B) When calcium level lowers, PTH secretion is stimulated. C) PTH has the opposite effect of ... . D) PTH stimulates calcium absorption from the gut. E) PTH decreases the activity of osteoclasts.

Last Answer : E) PTH decreases the activity of osteoclasts.

In parkinsonian patients levodopa exerts the following effects except: A. Reduces skeletal muscle contractility B. Decreases muscle tone C. Increases locomotor activity D. Inhibits muscle tremor

Description : In parkinsonian patients levodopa exerts the following effects except: A. Reduces skeletal muscle contractility B. Decreases muscle tone C. Increases locomotor activity D. Inhibits muscle tremor

Last Answer : A. Reduces skeletal muscle contractility

measuring electrical activity of the brain over time is done using __________. -General Knowledge

Description : measuring electrical activity of the brain over time is done using __________. -General Knowledge

Last Answer : Measuring electrical activity of the brain over time is done using EEG or Electroencephalography.

What person is asleep the brain produces no electrical activity?

Description : What person is asleep the brain produces no electrical activity?

Last Answer : Need answer

Is it true when a person is asleep the brain produces no electrical activity?

Description : Is it true when a person is asleep the brain produces no electrical activity?

Last Answer : Need answer

EEG is a technique to record the activity of – (1) heart (2) lungs (3) brain (4) muscles

Description : EEG is a technique to record the activity of – (1) heart (2) lungs (3) brain (4) muscles

Last Answer : (3) brain Explanation: Electroencephalography (EEG) is the recording of electrical activity along the scalp. EEG measures voltage fluctuations resulting from ionic current flows within the neurons of the brain.

EEG records the activity of - (1) heart (2) lungs (3) brain (4) muscles

Description : EEG records the activity of - (1) heart (2) lungs (3) brain (4) muscles

Last Answer : (3) brain. Explanation: Electroencephalography (EEG) is the recording of electrical activity along the scalp. EEG measures voltage fluctuations resulting from ionic current flows within the neurons of the ... of time, usually 20-40 minutes, as recorded from multiple electrodes placed on the scalp.

EEG records the activity of-----? A. Heart B. Lungs C. Brain (Answer)

Description : EEG records the activity of-----? A. Heart B. Lungs C. Brain (Answer)

Last Answer : C. Brain (Answer)

Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness? (a) Morphine (b) Valium (c) Amphetamines (d) Hashish

Description : Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness? (a) Morphine (b) Valium (c) Amphetamines (d) Hashish

Last Answer : (b) Valium

The following is not true of morphine: A. Its 2-glucuronide metabolite is an active analgesic B. Its active metabolite penetrates blood-brain barrier better than morphine C. Its oral: parenteral activity ratio is 1:4 D. It undergoes enterohepatic cycling

Description : The following is not true of morphine: A. Its 2-glucuronide metabolite is an active analgesic B. Its active metabolite penetrates blood-brain barrier better than morphine C. Its oral: parenteral activity ratio is 1:4 D. It undergoes enterohepatic cycling

Last Answer : B. Its active metabolite penetrates blood-brain barrier better than morphine

e primary mechanism by which general anaesthetics produce their action is: A. Affecting receptor operated ion channels in cerebral neurones B. Blocking voltage sensitive Na+ channels in neuronal membrane C. Depressing metabolic activity of cerebral neurones D. Blocking production of high energy phosphates in the brain

Description : e primary mechanism by which general anaesthetics produce their action is: A. Affecting receptor operated ion channels in cerebral neurones B. Blocking voltage sensitive Na+ channels in neuronal ... activity of cerebral neurones D. Blocking production of high energy phosphates in the brain

Last Answer : A. Affecting receptor operated ion channels in cerebral neurones

EEG is a technique to record the activity of (1) heart (2) lungs (3) brain (4) muscles

Description : EEG is a technique to record the activity of (1) heart (2) lungs (3) brain (4) muscles

Last Answer : brain

EEG records the activity of (1) heart (2) lungs (3) brain (4) muscles

Description : EEG records the activity of (1) heart (2) lungs (3) brain (4) muscles

Last Answer : brain

Which of the following is an orally active drug that blocks sodium channels and decreases action potential duration? (a) Adenosine (b) Amiodarone (c) Disopyramide (d) Esmolol (e) Mexiletine

Description : Which of the following is an orally active drug that blocks sodium channels and decreases action potential duration? (a) Adenosine (b) Amiodarone (c) Disopyramide (d) Esmolol (e) Mexiletine

Last Answer : Ans: E

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 : 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

Last Answer : Ans: B

Which one of the following statements about cefotetan is accurate? (a) It is active against MRSA strains (b) It is the drug of choice in community-acquired pneumonia (c) It is a fourth-generation cephalosporin (d) It decreases prothrombin time (e) Its antibacterial spectrum include Bacteroides fragilis

Description : Which one of the following statements about cefotetan is accurate? (a) It is active against MRSA strains (b) It is the drug of choice in community-acquired pneumonia (c) ... fourth-generation cephalosporin (d) It decreases prothrombin time (e) Its antibacterial spectrum include Bacteroides fragilis

Last Answer : Ans: E

Which of the following medications represents the category proton (gastric acid) pump inhibitors? a) Omeprazole (Prilosec) Omeprazole decreases gastric acid by slowing the hydrogenpotassium-adenosine-triphosphatase pump on the surface of the parietal cells. b) Sucralfate (Carafate) Sucralfate is a cytoprotective drug. c) Famotidine (Pepcid) Famotidine is a histamine-2 receptor antagonist. d) Metronidazole (Flagyl) Metronidazole is an antibiotic, specifically an amebicide.

Description : Which of the following medications represents the category proton (gastric acid) pump inhibitors? a) Omeprazole (Prilosec) Omeprazole decreases gastric acid by slowing the hydrogenpotassium-adenosine ... antagonist. d) Metronidazole (Flagyl) Metronidazole is an antibiotic, specifically an amebicide.

Last Answer : a) Omeprazole (Prilosec) Omeprazole decreases gastric acid by slowing the hydrogenpotassium-adenosine-triphosphatase pump on the surface of the parietal cells.

The antiarrhythmic drug which decreases both rate of depolarization (phase 0) as well as rate of repolarization (phase 3) of myocardial fibres is: A. Lignocaine B. Propranolol C. Quinidine D. Verapamil

Description : The antiarrhythmic drug which decreases both rate of depolarization (phase 0) as well as rate of repolarization (phase 3) of myocardial fibres is: A. Lignocaine B. Propranolol C. Quinidine D. Verapamil

Last Answer : C. Quinidine

The following drug displaces plasma protein bound phenytoin as well as decreases its metabolism: A. Carbamazepine B. Sodium valproate C. Cimetidine D. Chloramphenicol

Description : The following drug displaces plasma protein bound phenytoin as well as decreases its metabolism: A. Carbamazepine B. Sodium valproate C. Cimetidine D. Chloramphenicol

Last Answer : B. Sodium valproate

A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a: A. Physiological antagonist B. Competitive antagonist C. Noncompetitive antagonist D. Partial agonist

Description : A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a: A. Physiological antagonist B. Competitive antagonist C. Noncompetitive antagonist D. Partial agonist

Last Answer : C. Noncompetitive antagonist

A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a: A. Physiological antagonist B. Competitive antagonist C. Noncompetitive antagonist D. Partial agonist

Description : A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a: A. Physiological antagonist B. Competitive antagonist C. Noncompetitive antagonist D. Partial agonist

Last Answer : C. Noncompetitive antagonist

What goes on in the brain of a drug addict?

Description : What goes on in the brain of a drug addict?

Last Answer : It may be more about what is going on in the brain of an addict than about what is going on in the mind of an addict.

Am I having drug flash backs or is my brain malfunctioning?

Description : Am I having drug flash backs or is my brain malfunctioning?

Last Answer : Either that or you’ve entered the Twilight Zone.

Is there a way to restore serotonin to your brain after depleting it with drug-use?

Description : Is there a way to restore serotonin to your brain after depleting it with drug-use?

Last Answer : I think your brain can recover to some degree, depending on how much you used. I know lots of people who used to use a ton of E who are totally functional, happy, and confident.

__________ transfers substances to the brain faster than when a drug is injected or swallowed. -General Knowledge

Description : __________ transfers substances to the brain faster than when a drug is injected or swallowed. -General Knowledge

Last Answer : Smoking transfers substances to the brain faster than when a drug is injected or swallowed.

What drug dissolves the fatty tissue in the brain?

Description : What drug dissolves the fatty tissue in the brain?

Last Answer : Feel Free to Answer

What is the commonly abused drug is not psychoactive but still has serious long term effects on the user and brain?

Description : What is the commonly abused drug is not psychoactive but still has serious long term effects on the user and brain?

Last Answer : marijuana

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

Description : 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

Last Answer : Ans: D

Bone ossification test is conducted to as certain human - (1) Brain efficiency (2) Tentative age (3) Tentative height (4) Drug addiction

Description : Bone ossification test is conducted to as certain human - (1) Brain efficiency (2) Tentative age (3) Tentative height (4) Drug addiction

Last Answer : (2) Tentative age Explanation: Ossification is the process of laying down new bone material by cells called osteoblasts. It is synonymous with bone tissue formation. As per scientific evidence, by the age of 25 years ... age 25. Ii all joints are fused the person must be of 25 yrs of age or older.

Select the drug that improves some symptoms in Alzheimer’s dementia by increasing brain acetylcholine levels: A. Pemoline B. Donepezil C. Nicergoline D. Piribedi

Description : Select the drug that improves some symptoms in Alzheimer’s dementia by increasing brain acetylcholine levels: A. Pemoline B. Donepezil C. Nicergoline D. Piribedi

Last Answer : B. Donepezi

The antiparkinsonian drug which acts by inhibiting the degradation of dopamine in the brain is: A. Carbidopa B. Amantadine C. Selegiline D. Bromocriptine

Description : The antiparkinsonian drug which acts by inhibiting the degradation of dopamine in the brain is: A. Carbidopa B. Amantadine C. Selegiline D. Bromocriptine

Last Answer : C. Selegiline

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

Description : 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

Last Answer : D. Ratio of H1:H2 blockade produced by the drug

08. What does the term “bioavailability” mean? a) Plasma protein binding degree of substance b) Permeability through the brain-blood barrier c) Fraction of an uncharged drug reaching the systemic circulation following any route administration d) Amount of a substance in urine relative to the initial doze

Description : 08. What does the term bioavailability mean? a) Plasma protein binding degree of substance b) Permeability through the brain-blood barrier c) Fraction of an uncharged drug reaching the systemic ... following any route administration d) Amount of a substance in urine relative to the initial doze

Last Answer : C

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

Description : 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

Last Answer : A. Blood flow through the capillary

Select the drug which inhibits cyclooxygenase in the brain but not at peripheral sites of inflammation: A. Nimesulide B. Paracetamol C. Ketorolac D. Mephenamic acid

Description : Select the drug which inhibits cyclooxygenase in the brain but not at peripheral sites of inflammation: A. Nimesulide B. Paracetamol C. Ketorolac D. Mephenamic acid

Last Answer : B. Paracetamol

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

Description : 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

Last Answer : D. Ratio of H1:H2 blockade produced by the drug

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

Description : 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

Last Answer : A. Blood flow through the capillary

Bone osification test is conducted to as certain human (1) Brain efficiency (2) Tentative age (3) Tentative height (4) Drug addiction

Description : Bone osification test is conducted to as certain human (1) Brain efficiency (2) Tentative age (3) Tentative height (4) Drug addiction

Last Answer : Tentative age

To be a useful inhaled glucocorticoid the drug should have (a) High oral bioavailability (b) Low oral bioavailability (c) Additional bronchodilator activity (d) Prodrug character

Description : To be a useful inhaled glucocorticoid the drug should have (a) High oral bioavailability (b) Low oral bioavailability (c) Additional bronchodilator activity (d) Prodrug character

Last Answer : Ans: B

The primary mechanism underlying the resistance of gram-positive organisms to macrolide antibiotics is (a) Methylation of binding sites on the 50S ribosomal subunit (b) Formation of esterases that hydrolyze the lactone ring (c) Increased activity of efflux mechanisms (d) Formation of drug-inactivating acetyltranferases (e) Decreased drug permeability of the cytoplasmic membrane

Description : The primary mechanism underlying the resistance of gram-positive organisms to macrolide antibiotics is (a) Methylation of binding sites on the 50S ribosomal subunit (b) Formation of ... ) Formation of drug-inactivating acetyltranferases (e) Decreased drug permeability of the cytoplasmic membrane

Last Answer : Ans: A