22 carbon present in which of the following acid..
Anonymous Quiz
21%
A- Capric acid
19%
B- Behenic acid
26%
C- Lauric acid
35%
D- Arachidic acid
Balsam means -
Anonymous Quiz
31%
A- volatile oil +resins
22%
B- resins + sugar
43%
C- cinnamic acid +benzoic acid
4%
D- none of the above
Indication for I.V. IgG preparation administration is:
Anonymous Quiz
12%
a) Kaposi's sarcoma
46%
b) Acute rejection of organ transplant
17%
c) Condyloma acuminatum
26%
d) Prophylaxis of certain infections
Which of the following have the braodest spectrum of activity.
:
:
Anonymous Quiz
21%
A. Erythromycin
32%
B. Streptomycin
39%
C. Chloramphenicol
8%
D. Tigecycline
When tetracyclines given between____of age then it causes the crown of permanent anterior dentition.
Anonymous Quiz
35%
A.3months to 3years
28%
B.3months to 4years
24%
C.3months to 5years
14%
D.3months to 6years
Most effective drugs for preventing infection of burnt surfaces and chronic ulcers..
Anonymous Quiz
10%
A.Gold sulfadiazine
53%
B.Silver sulfadiazine
28%
C.Sulfasalazine
9%
D.Mafenide
Dichlorobenzene exists in three isomers-ortho, meta and para isomers. Out of these three isomers, one with highest dipole moment will be
Anonymous Quiz
27%
(a)ortho-isomer
25%
(b)meta-isomer
28%
(c)para-isomer
20%
(d)all will have the same dipole moment
A catalyst in the finely divided state is more efficient because in this state
Anonymous Quiz
37%
A) More active center are formed
20%
B) Less surface area is available
39%
C) More energy is stored in the catalyst
5%
D) None of above
For first-order reactions the rate constant, k, has the unit(s)
Anonymous Quiz
25%
(a) l mol–1
30%
(b) time–1
37%
(c) (mol/l)–1 time–1
8%
(d) time mol l–1
The precipitating power of Al3+, Na+, Ba2+ is in the order
Anonymous Quiz
22%
A)Na+ > Ba2+ > Al3+
25%
B)Ba2+ > Na+ > Al3+
27%
C)Al3+ > Na+ > Ba2+
27%
D)Al3+ > Ba2+ > Na+
Elevated plasma calcitonin is seen with..
Anonymous Quiz
28%
a. Thyroid lymphoma
35%
b. Medullary thyroid carcinoma
25%
c. Papillary thyroid carcinoma
12%
d. Anaplastic thyroid carcinoma
Rhinovirus is primarily transmitted by
Anonymous Quiz
45%
a. Droplet aerosolization
29%
b. Sexual activity
22%
c. Fecal-oral route
5%
d. Fomites
The pH of body fluids is stabilized by buffer systems. Which of the following compounds is the most effective buffer at physiologic pH?
Anonymous Quiz
22%
a. Na2HPO4, pKa5 12.32
26%
b. NH4OH, pKa5 9.24
42%
c. NaH2PO4, pKa5 7.21
10%
d. Citric acid, pKa5 3.09
Which one of the following enzymes is common to both glycolysis and gluconeogenesis?
Anonymous Quiz
32%
a. Pyruvate kinase
25%
b. Pyruvate carboxylase
27%
c. Hexokinase
16%
d. Phosphoglycerate kinase
Which one of the following activities is simultaneously stimulated by epinephrine in muscle and inhibited by epinephrine in the liver?
Anonymous Quiz
23%
a. Fatty acid oxidation
47%
b. Cyclic AMP synthesis
17%
c. Glycolysis
13%
d. Glycogenolysis
McArdle’s disease causes muscle cramps and muscle fatigue with increased muscle glycogen. Which of the following enzymes is deficient?
Anonymous Quiz
14%
Hepatic hexokinase
32%
Muscle debranching enzyme
40%
Muscle glycogen synthetase
14%
Muscle phosphorylase
Which one of the following enzymes catalyzes high-energy phosphorylation of substrates during glycolysis?
Anonymous Quiz
8%
Triose phosphate isomerase
60%
Glyceraldehyde-3-phosphate dehydrogenase
21%
Phosphoglycerate kinase
10%
Pyruvate kinase
Which of the activated groups or units is most closely associated with uridine diphosphate (UDP)?
Anonymous Quiz
17%
Acyl
28%
Glucose
52%
Phosphoryl
3%
Electrons
Aspirin inhibits which of the following enzymes?
Anonymous Quiz
11%
Lipoxygenase
61%
Cyclooxygenase
20%
Phospholipase D
8%
Lipoprotein lipase
MCQ. No.1 | POC.
What is the correct order of reactivity (most reactive first) of pyrrole, furan and thiophene towards electrophiles?
What is the correct order of reactivity (most reactive first) of pyrrole, furan and thiophene towards electrophiles?
Anonymous Quiz
36%
Pyrrole>furan>Thiophene
33%
Furan>pyrrole>Thiophene
20%
Thiophene>pyrrole>furan
10%
Furan>Thiophene>pyrrole