MCQ NO 1377 | Pharmacology
The choice of benzodiazepines for anxiety is based on:
The choice of benzodiazepines for anxiety is based on:
Anonymous Quiz
12%
A low risk of physiologic dependence
18%
Availability of flumazenil for treatment of overdose
10%
A relatively high therapeutic index
60%
All of the above
MCQ NO 1378 | Pharmacology
Which of the following antidepressants has significant alfa2-adrenoreceptor antagonism?
Which of the following antidepressants has significant alfa2-adrenoreceptor antagonism?
Anonymous Quiz
18%
Doxepin
34%
Mirtazapine
22%
Nefazodone
26%
Amitriptyline
MCQ NO 1379 | Pharmacology
The principal mechanism of action of antidepressant agents is:
The principal mechanism of action of antidepressant agents is:
Anonymous Quiz
13%
Stabilization of dopamine and beta-adrenergic receptors
58%
Inhibition of the storage of serotonin and epinephrine in the vesicles of presynaptic nerve endings
25%
Blocking epinephrine or serotonin reuptake pumps
4%
Stimulation of alfa2-norepinephrine receptors
MCQ NO 1380 | Pharmacology
Lithium carbonate is useful in the treatment of:
Lithium carbonate is useful in the treatment of:
Anonymous Quiz
17%
Trigeminal neuralgia
13%
Neurosis
65%
Bipolar disorder
6%
Petit mal seizures
MCQ NO 1381 | Microbiology
Cytoplasmic streaming is present in.....
Cytoplasmic streaming is present in.....
Anonymous Quiz
19%
Prokaryotes
8%
Animals
26%
Eukaryotes
48%
Both a and b
MCQ NO 1382 | Microbiology
Which stain used to demonstrate fungus?
Which stain used to demonstrate fungus?
Anonymous Quiz
40%
Lactophenol cotton blue
42%
Nigerosin
12%
Albert
6%
None of these
MCQ NO 1383 | Microbiology
Bacterial capsule is chemically composed of.......
Bacterial capsule is chemically composed of.......
Anonymous Quiz
18%
Polysaccharides
69%
Polypeptides or polysaccharides
9%
Polynucleotides
4%
Polypeptide
MCQ NO 1384 | Microbiology
Teichoic acids and Teichuronic acids are found in......
Teichoic acids and Teichuronic acids are found in......
Anonymous Quiz
28%
Gram negative bacteria
41%
Gram positive bacteria
25%
Both a and b
6%
Fungi
MCQ NO 1385 | Microbiology
Presence of viruses in the blood stream is known as..
Presence of viruses in the blood stream is known as..
Anonymous Quiz
8%
Bactericidal
23%
Septicaemia
16%
Bacteraemia
53%
Viraemia
MCQ NO 1386 | Biochemistry
Which one is the largest particulate of the cytoplasm?
Which one is the largest particulate of the cytoplasm?
Anonymous Quiz
40%
Entoplasmic reticulum
27%
Golgi apparatus
29%
Mitochondria
4%
Lysosomes
MCQ NO 1387 | Biochemistry
Bulk transport across cell membrane is accomplished by........
Bulk transport across cell membrane is accomplished by........
Anonymous Quiz
13%
Extrusion
17%
Pinocytosis
21%
Phagocytosis
49%
All of these
MCQ NO 1388 | Biochemistry
In mammalian cells rRNA is produced mainly in the?
In mammalian cells rRNA is produced mainly in the?
Anonymous Quiz
15%
Nucleolus
40%
Ribosome
32%
Endoplasmic reticulum
13%
Nucleus
MCQ NO 1389 | Biochemistry
A positive Seliwanoff’s test is obtained with.......
A positive Seliwanoff’s test is obtained with.......
Anonymous Quiz
30%
Glucose
24%
Lactose
34%
Sucrose
12%
Maltose
MCQ NO 1390 | Biochemistry
Phenylalanine is the precursor of.........
Phenylalanine is the precursor of.........
Anonymous Quiz
61%
Tyrosine
9%
Throxine
14%
Histamine
16%
L-DOPA
MCQ NO 1391 | Pharmacology
The term “biotransformation” includes the following:
The term “biotransformation” includes the following:
Anonymous Quiz
5%
Accumulation of substances in a fat tissue
81%
Process of physicochemical and biochemical alteration of a drug in the body
7%
Process of Accumulation of substances in a tissue
7%
Process of Binding the substances with plasma proteins
MCQ NO 1392 | Pharmacology
Which of the following processes proceeds in the second phase of biotransformation?
Which of the following processes proceeds in the second phase of biotransformation?
Anonymous Quiz
10%
Hydrolysis
73%
Acetylation
11%
Oxidation
5%
Reduction
MCQ NO 1393 | Pharmacology
If an agonist can produce submaximal effects and has moderate efficacy it’s called ?
If an agonist can produce submaximal effects and has moderate efficacy it’s called ?
Anonymous Quiz
5%
Antagonist
21%
Agonist-antagonist
13%
Full agonist
61%
Partial agonist
MCQ NO 1394 | Pharmacology
Irreversible interaction of an antagonist with a receptor is due to:
Irreversible interaction of an antagonist with a receptor is due to:
Anonymous Quiz
40%
Covalent bonds
12%
Ionic bond
14%
Hydrogen bonds
34%
All of the above
MCQ NO 1395 | Pharmacology
Tachyphylaxis is:
Tachyphylaxis is:
Anonymous Quiz
50%
A decrease in responsiveness to a drug, taking days or weeks to develop
19%
A drug interaction between two similar types of drugs
29%
Very rapidly developing tolerance
2%
None of the above
MCQ NO 1396 | Pharmacology
The drug competitively blocks chloride channels and prevents movement of sodium, potassium, and chloride into the renal tubular cells is .....
The drug competitively blocks chloride channels and prevents movement of sodium, potassium, and chloride into the renal tubular cells is .....
Anonymous Quiz
19%
Mannitol (Osmitrol)
48%
Furosemide (Lasix)
18%
Triamterene (Dyrenium)
15%
Acetazolamide (Diamox)