What is the primary stain used in the Gram stain procedure?
A) Safranin B) Crystal violet C) Methylene blue D) Carbol fuchsin
A) Safranin B) Crystal violet C) Methylene blue D) Carbol fuchsin
Anonymous Quiz
16%
A
67%
B
12%
C
5%
D
What is the function of reverse transcriptase?
Anonymous Quiz
16%
Transcription
31%
DNA replication
9%
Translation
45%
Reverse transcription
What is the function of peptidoglycan?
A) Energy storage B) Cell wall structure C) DNA replication D) Protein synthesis
A) Energy storage B) Cell wall structure C) DNA replication D) Protein synthesis
Anonymous Quiz
13%
A
64%
B
8%
C
16%
D
👍2
What is the primary function of bacterial flagella?
Anonymous Quiz
13%
Nutrition
16%
Protection
12%
Loosemotion
59%
Locomotion
👍1
What is the function of the F plasmid in bacterial conjugation?
A) DNA replication
B) Transcription C) Translation D) Transfer of genetic material
A) DNA replication
B) Transcription C) Translation D) Transfer of genetic material
Anonymous Quiz
13%
A
17%
B
14%
C
56%
D
Which of the following is NOT a component of bacterial cell walls?
A) Peptidoglycan
B) Lipopolysaccharide C) Chitin D) Teichoic acid
A) Peptidoglycan
B) Lipopolysaccharide C) Chitin D) Teichoic acid
Anonymous Quiz
8%
A
17%
B
60%
C
15%
D
What is the function of bacterial ribosomes?
Anonymous Quiz
35%
DNA replication
25%
Transcription
30%
Translation
10%
Transduction
Which one of the following organisms principally infects vascular endothelial cells?
A. Rickettsia ricketts B. Haemophilus influenzae C. Salmonella typhi D. Coxiella burnetii
A. Rickettsia ricketts B. Haemophilus influenzae C. Salmonella typhi D. Coxiella burnetii
Anonymous Quiz
20%
A
35%
B
23%
C
23%
D
👍1
Each of the following statements concerning Q fever is correct EXCEPT:
Anonymous Quiz
18%
Rash is a prominent feature
31%
Farm animals are an important reservoir
31%
It is transmitted by respiratory aerosol
20%
It is caused by Coxiella burnetii
Black water fever is a special manifestation of malaria caused by;
A. P. vivax
B. P. falciparum C. P. ovale D. P. malariae
A. P. vivax
B. P. falciparum C. P. ovale D. P. malariae
Anonymous Quiz
14%
A
63%
B
11%
C
12%
D
👍2
The amount of air left behind in the lungs at the end of deep expiration is called
A. Supplement volume
B. Residual volume C. Complemental volume D. Minimal volume
A. Supplement volume
B. Residual volume C. Complemental volume D. Minimal volume
Anonymous Quiz
10%
A
64%
B
13%
C
14%
D
❤1
👍2
Which of the following is a marker for myocardial infarction?
A. Troponin
B. Bilirubin C. Erythropoietin D. Insulin
A. Troponin
B. Bilirubin C. Erythropoietin D. Insulin
Anonymous Quiz
83%
A
7%
B
10%
C
1%
D
What is the primary component of Drabkin's solution that converts hemoglobin to cyanmethemoglobin?
A. Potassium ferricyanide
B. Sodium bicarbonate C. Potassium cyanide D. Sodium hydroxide
A. Potassium ferricyanide
B. Sodium bicarbonate C. Potassium cyanide D. Sodium hydroxide
Anonymous Quiz
46%
A
14%
B
32%
C
7%
D
👍1
What is a key disadvantage of the Sahli method?
Anonymous Quiz
9%
Requires expensive equipment
65%
Less accurate than other methods
10%
Requires specialized training
15%
Takes too long to complete
Why should one avoid using tap water for dilution in Sahli's method?
A. Presence of chlorine
B. Altered pH C. Mineral content D. All of the above
A. Presence of chlorine
B. Altered pH C. Mineral content D. All of the above
Anonymous Quiz
10%
A
11%
B
5%
C
74%
D
Drum stick appearance of bacilli is seen with
A. Cl. tetani
B. Cl. perfringens C. Cl. botulinum D. Cl. difficile
A. Cl. tetani
B. Cl. perfringens C. Cl. botulinum D. Cl. difficile
Anonymous Quiz
54%
A
23%
B
18%
C
5%
D
Which of the following bacteria is non-pathogenic.
A. Staphylococcus aureus
B. Staphylococcus epidermidis C. Streptococcus pyogenes D. Streptococcus pneumoniae
A. Staphylococcus aureus
B. Staphylococcus epidermidis C. Streptococcus pyogenes D. Streptococcus pneumoniae
Anonymous Quiz
17%
A
62%
B
16%
C
5%
D
Dyes destroy which function of the cell.
A. Multiplication
B. Reproduction C. Growth D. All options
A. Multiplication
B. Reproduction C. Growth D. All options
Anonymous Quiz
7%
A
10%
B
7%
C
76%
D
Which of the following acts as a blueing agent:
A. Lithium carbonate
B. Aluminium hydroxide C. Scott's tap water D. All of the above
A. Lithium carbonate
B. Aluminium hydroxide C. Scott's tap water D. All of the above
Anonymous Quiz
14%
A
18%
B
20%
C
48%
D