Which of the following electrolytes is the chief plasma cation whose main fuction is maintaining osmotic pressure?
1. Chloride 2. Calcium 3. Potassium 4. Sodium
1. Chloride 2. Calcium 3. Potassium 4. Sodium
Anonymous Quiz
25%
A
17%
B
18%
C
41%
D
Which of the followings is rich in triglycerides?
1. Cylomicrons
2. LDL 3. VLDL 4. HDL
1. Cylomicrons
2. LDL 3. VLDL 4. HDL
Anonymous Quiz
50%
A
19%
B
14%
C
18%
D
Which is the most abundant RNA in a cell?
1. tRNA
2. mRNA 3. rRNA 4. SnRNA
1. tRNA
2. mRNA 3. rRNA 4. SnRNA
Anonymous Quiz
21%
A
32%
B
42%
C
5%
D
👍1
The Ames test is used to:
1. To detect bacteria
2. To detect viruses 3. To detect enzymes 4. To detect mutagens
1. To detect bacteria
2. To detect viruses 3. To detect enzymes 4. To detect mutagens
Anonymous Quiz
15%
A
15%
B
32%
C
38%
D
In which of the following tissues insulin enhances transport of glucose?
1. Brain
2. Lens 3. Red blood cell 4. Adipose tissue
1. Brain
2. Lens 3. Red blood cell 4. Adipose tissue
Anonymous Quiz
15%
A
7%
B
34%
C
44%
D
The anion gap is useful for quality control of laboratory results for:
Anonymous Quiz
14%
Amino acids and proteins
25%
Blood gas analyses
53%
Sodium, potassium, chloride, and total CO2
8%
Calcium, phosphorus, and magnesium
👍1
Which enzyme has impaired activity in Vitamin B1 deficiency?
1. Succinate dehydrogenase
2. Pruruvate dehydrogenase 3. Transketolase 4. Citrate synthase
1. Succinate dehydrogenase
2. Pruruvate dehydrogenase 3. Transketolase 4. Citrate synthase
Anonymous Quiz
25%
A
44%
B
21%
C
10%
D
👍1
Which of the following is useful for identifying amino terminal residue of proteins?
1. Cyanogen bromide
2. Fluorodinitrobenzene 3. Performic acid 4. Dansyl chloride
1. Cyanogen bromide
2. Fluorodinitrobenzene 3. Performic acid 4. Dansyl chloride
Anonymous Quiz
18%
A
42%
B
22%
C
17%
D
Which of the following is an inhibitor of protein synthesis?
1. Pencillin
2. Chloramphenicol 3. Actinomycin D 4. Bacitracin
1. Pencillin
2. Chloramphenicol 3. Actinomycin D 4. Bacitracin
Anonymous Quiz
24%
A
37%
B
26%
C
13%
D
👍2
Which of the following should be avoided in clinical chemistry?
Anonymous Quiz
12%
Ideally all measurements should be performed within 1 hour after Collection
21%
Refrigerate serum/plasma at 4-6°C during delays, allow samples to reach room temp before testing
39%
Blood sample can be directly centrifuged and clotting is not necessary
29%
Hemolyzed and lipemic samples can interfere in testing
👍3👎3
A Codon consists of:
1. One molecule of amino acyl-t RNa
2. Two complementary base pairs 3. Three consecutive nucleotide units 4. Three individual nucleotides
1. One molecule of amino acyl-t RNa
2. Two complementary base pairs 3. Three consecutive nucleotide units 4. Three individual nucleotides
Anonymous Quiz
22%
A
31%
B
35%
C
13%
D
Piezoelectric crystals are used in:
1. NMR imaging
2. Crystallography 3. Ultrasonography 4. Xeroradiography
1. NMR imaging
2. Crystallography 3. Ultrasonography 4. Xeroradiography
Anonymous Quiz
13%
A
49%
B
29%
C
9%
D
Nuclear Magnetic Resonance Imaging technique is based on the gyromagnetic property of:
1. Electron
2. Neutron 3. Proton 4. Positron
1. Electron
2. Neutron 3. Proton 4. Positron
Anonymous Quiz
38%
A
21%
B
28%
C
13%
D
When a positron is emitted from a radioisotopic atom, the atomic number of the daughter product:
1. Increases by one 2. Decreases by one 3. Decreases by two 4. No change
1. Increases by one 2. Decreases by one 3. Decreases by two 4. No change
Anonymous Quiz
33%
A
31%
B
25%
C
12%
D
The best way to sterilize test tubes, petri-dishes, flasks, Glass pipettes
A. Hot air oven B. Tyndallisation C. Boiling D. Steam under pressure
A. Hot air oven B. Tyndallisation C. Boiling D. Steam under pressure
Anonymous Quiz
70%
A
9%
B
5%
C
17%
D
Dry heat can be used for sterilizing of all of the following except:
A. Glassware
B. Oils C. Jellies D. Lenin
A. Glassware
B. Oils C. Jellies D. Lenin
Anonymous Quiz
38%
A
23%
B
17%
C
23%
D
What is the important function of amylase:
A. Catabolism of carbohydrates to simple sugars B. Catabolism of simple sugars to carbohydrates C. Helps in digestion D. All of the above
A. Catabolism of carbohydrates to simple sugars B. Catabolism of simple sugars to carbohydrates C. Helps in digestion D. All of the above
Anonymous Quiz
23%
A
7%
B
14%
C
56%
D
👍4
n positive reaction of glucose in urine, the colour of precipitate seen is
A. White B. Blue C. Red D. Black
A. White B. Blue C. Red D. Black
Anonymous Quiz
22%
A
26%
B
46%
C
6%
D
👍1