Quiz Answers
- The best anticoagulant in blood culture is
- a. Sodium oxalate
- b. Sodium citrate
- c. Sodium sulphate
- All the following samples are stained using gram stain except?
- a. Water culture
- b. Sputum
- c. Stool
- The percentage of sodium chloride in agar culture is?
- a. 0.058%
- b. 58.0%
- c. 0.58%
- Agar is characterized by all the following except?
- a. Freezing point is 42°C & melting point is 100°C
- b. Nutritive
- c. Un-nutritive
- The normal value of (Na) in serum is?
- a. 135-145 mg/dl
- b. 135-145 mmol/dl
- c. 135-145 mmol/l
- Gram stain starts with?
- a. Iodine
- b. Crystal green
- c. Methyl violet ✅
- The causative of toxoplasma is?
- a. Flees
- b. Dogs
- c. Cats
- Gram negative samples are stained with?
- a. Yellow color
- b. Blue color
- c. Red color ✅
- The color of cholera when cultured on TCBS?
- a. Blue
- b. Green
- c. Yellow ✅
- The diameter of micro pore filter used in bacteria filtration is?
- a. 0.033 microns
- b. 2.2 microns
- c. 0.22 microns ✅
- Leishmania is transported by?
- a. Mosquitoes
- b. Pugs
- c. Sand fly ✅
- To investigate one sample containing fluorocarbon we use which microscope?
- a. Light microscope
- b. Brilliant microscope
- c. Fluorescent microscope ✅
- Virus is similar to live organisms in?
- a. Growth
- b. Movement
- c. Reproduction ✅
- The largest resolution of the microscope is?
- a. 0.02 microns
- b. 2.0 microns
- c. 0.2 microns ✅
- Which of the following is liver function test?
- a. Liver enzymes
- b. Serum + urine bilirubin
- c. All of the previous ✅
- Which of the following causes enlargement of RBCs?
- a. Reticulocytes
- b. Leishmania
- c. Plasmodium ✅
- The best sample for the culture of children paralysis virus is?
- a. Anal swab
- b. Blood culture
- c. Stool culture ✅
- Dry air oven is used to sterilize?
- a. Water
- b. Culture media
- c. Sand ✅
- The diabetic patient is going to coma when blood glucose is?
- a. 120 mg/dl
- b. 160 mg/dl
- c. Less than 50 mg/dl ✅
- To differentiate between the two streptococci groups, which enzyme is used?
- a. Coagulase
- b. Kinase
- c. Catalase ✅
- The microscope used to investigate syphilis is?
- a. Light microscope
- b. Ultra-violet microscope
- c. Dark field microscope ✅
- The antibiotic disc which differentiates between group A streptococci and other groups is?
- a. Neomycin
- b. Tetracycline
- c. Bacitracin ✅
- All of the following are true for salmonella except?
- a. Motile
- b. Produces H2S
- c. Oxidase positive ✅
- Amylase value is high in the following disease?
- a. Salivary glands
- b. Pancreas diseases
- c. All of the previous ✅
- One jaundice patient has yellow skin, his bilirubin is?
- a. 2.5 mg/dl
- b. 1.2 mg/dl
- c. 5.0 mg/dl ✅
