Alcohol is a common - (a) stimulant (b) depressant (c) hallucinogen (d) none of these

Alcohol is a common - (a) stimulant (b) depressant (c) hallucinogen (d) none of these
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When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Description : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Last Answer : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth ... ]` D. They cannot be separated by adding NaCN

When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Description : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Last Answer : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth ... ]` D. They cannot be separated by adding NaCN

`NaCN` is sometimes added in the froth flotation process as a depressant when `ZnS` and `PbS` minerals are expected because `:`

Description : `NaCN` is sometimes added in the froth flotation process as a depressant when `ZnS` and `PbS` minerals are expected because `:`

Last Answer : `NaCN` is sometimes added in the froth flotation process as a depressant when `ZnS` and `PbS` ... D. Sillccious impurities settle down on the bottom.

When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Description : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as a depressant, because :

Last Answer : When ZnS and PbS minearls are present together, then NaCN is added to separate them in the froth floatation process as ... _(4)]` D. both (1) and (2)

Are opiates a depressant?

Description : Are opiates a depressant?

Last Answer : Need answer

Which of the following statements about septic shock are true? A. A circulating myocardial depressant factor may account for the cardiac dysfunction sometimes seen with shock due to sepsis or SIRS. B. A cardiac index (CI) of 6 liters per minute per square meter of body surface, a pulmonary capillary wedge pressure of 15 mm. Hg, and a systemic vascular resistance index (SVRI) of 800 dynes-sec/(cm 5-m 2) is a hemodynamic profile consistent with septic shock. C. An increase in SvO 2 in septic patients may be explained by the finding of anatomic arteriovenous shunts. D. Results of human trials employing antimediator therapy, such as antiendotoxin antibodies, IL-1 receptor antagonist, and tumor necrosis factor (TNF) antibodies, have confirmed animal studies that demonstrate a significant im

Description : Which of the following statements about septic shock are true? A. A circulating myocardial depressant factor may account for the cardiac dysfunction sometimes seen with shock due to sepsis or ... animal studies that demonstrate a significant improvement in survival with the use of such agents.

Last Answer : Answer: AB DISCUSSION: Shock due to sepsis or SIRS frequently manifests as a hyperdynamic cardiovascular response, consisting of an elevated CI and a decreased SVR or SVRI. Occasionally, ... been encouraging thus far in human clinical trials, despite the promising results from many animal studies

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

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 : Ans: A

What is a depressant? Give one example.

Description : What is a depressant? Give one example.

Last Answer : Ans. Compounds which prevent the formation of froth in froth flotation process are called depressants. For example, NaCN can be used as a depressant for ZnS in the separation of ZnS from PbS ore. It forms a ... complex, Na2[Zn(CN)4] on the surface of ZnS and thus prevents it from forming the froth. 

How does NaCN act as a depressant in preventing ZnS from forming the froth ?

Description : How does NaCN act as a depressant in preventing ZnS from forming the froth ?

Last Answer : Ans. NaCN forms a layer of zinc complex, Na2 [Zn (CN)4 ] on the surface of ZnS and thereby prevents it from the formation of froth.

Identify the molecules (A) and (B) shown below and select the right option giving their source and use.(a) (A) Cocaine Erythroxylum Accelerates coca the transport of dopamine (b) (B) Heroin Cannabis Depressant sativa and slows down body functions (c) (B) Cannabi- Atropa Produces noid belladonna hallucinations (d) (A) Morphine Papaver Sedative and somniferum pain killer

Description : Identify the molecules (A) and (B) shown below and select the right option giving their source and use. (a) (A) Cocaine Erythroxylum Accelerates coca the transport of dopamine (b ... - Atropa Produces noid belladonna hallucinations (d) (A) Morphine Papaver Sedative and somniferum pain killer

Last Answer : (d) (A) Morphine Papaver Sedative and somniferum pain killer

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used (A) As a lubrican(B) As a rust preventive(C) In hard water for cleaning of cloth(D) As a foam depressant in distillation column

Description : Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used (A) As a lubrican (B) As a rust preventive (C) In hard water for cleaning of cloth (D) As a foam depressant in distillation column

Last Answer : (A) As a lubricant

Which of the following is not a CNS depressant but increases the tendency to fall asleep at night: A. Pyridoxine B. Diphenhydramine C. Melatonin D. Ethanol

Description : Which of the following is not a CNS depressant but increases the tendency to fall asleep at night: A. Pyridoxine B. Diphenhydramine C. Melatonin D. Ethanol

Last Answer : C. Melatonin

Barbiturates exert the following actions except: A. Anticonvulsant B. Analgesic C. Antianxiety D. Respiratory depressant

Description : Barbiturates exert the following actions except: A. Anticonvulsant B. Analgesic C. Antianxiety D. Respiratory depressant

Last Answer : B. Analgesic

'Diffusion hypoxia’ is likely to occur only after use of nitrous oxide because it: A. Is a respiratory depressant B. Has low blood solubility and is used in high concentration C. Is a very potent anaesthetic D. Interferes with diffusion of oxygen into the tissues

Description : 'Diffusion hypoxia’ is likely to occur only after use of nitrous oxide because it: A. Is a respiratory depressant B. Has low blood solubility and is used in high concentration C. Is a very potent anaesthetic D. Interferes with diffusion of oxygen into the tissues

Last Answer : B. Has low blood solubility and is used in high concentration

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

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

Neostigmine is beneficial in cobra envenomation because: A. It binds to and inactivates cobra toxin B. It reverses coma due to cobra toxin C. It counteracts the cardio-depressant action of cobra toxin D. It antagonizes the paralysing action of cobra toxin

Description : Neostigmine is beneficial in cobra envenomation because: A. It binds to and inactivates cobra toxin B. It reverses coma due to cobra toxin C. It counteracts the cardio-depressant action of cobra toxin D. It antagonizes the paralysing action of cobra toxin

Last Answer : D. It antagonizes the paralysing action of cobra toxin

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

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

Neostigmine is beneficial in cobra envenomation because: A. It binds to and inactivates cobra toxin B. It reverses coma due to cobra toxin C. It counteracts the cardio-depressant action of cobra toxin D. It antagonizes the paralysing action of cobra toxin

Description : Neostigmine is beneficial in cobra envenomation because: A. It binds to and inactivates cobra toxin B. It reverses coma due to cobra toxin C. It counteracts the cardio-depressant action of cobra toxin D. It antagonizes the paralysing action of cobra toxin

Last Answer : D. It antagonizes the paralysing action of cobra toxin