G6pd / Sb / Osmolality / Ketone / Ammonia / Lactate / Hba1c

24 Questions | By Johnson_1234 | Updated: Mar 20, 2022 | Attempts: 160

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1.

Jaundice can be indicated by the following except
- A.
  
  Yellowing of the sclera
- B.
  
  Elevated concentration of bilirubin
- C.
  
  Appearance of boils
2.

Jaunice in neonates can be caused by the following except:
- A.
  
  ABO incompatibility
- B.
  
  Haemolysis
- C.
  
  Erythropoiesis
3.

Critical value for bilirubin in neonates is:
- A.
  
  More than or equal to 300 umol/L
- B.
  
  More than or equal to 200 umol/L
- C.
  
  More than or equal to 280 umol/L
- D.
  
  More than or equal to 320 umol/L
4.

The bilirubinometer employs __________ in the determination of bilirubin in serum
- A.
  
  Direct spectrophotometry
- B.
  
  Colourmetric assay
- C.
  
  Liquid chromatography
5.

G6PD stands for ________
- A.
  
  Glucose-6-phosphatase dehydrogenase
- B.
  
  Glucose-6-phosphatase deficiency
- C.
  
  Glucose-6-phosphate dehydrogenase
6.

The ______ produced in the reaction fuoresces under UV light
- A.
  
  Glucose-6-P
- B.
  
  NADPH
- C.
  
  G6PD
7.

How much of whole blood is required to perform the G6PD screening test?
- A.
  
  10 uL
- B.
  
  15 uL
- C.
  
  5 uL
- D.
  
  20 uL
8.

The G6PD screening test is a __________ test
- A.
  
  Qualitative
- B.
  
  Quantitative
9.

Osmolality is an indication of ________
- A.
  
  State of hydration
- B.
  
  Glucose balance
- C.
  
  Body temperature
10.

All of the following are causes of hyper-osmolality except:
- A.
  
  Alcohol ingestion
- B.
  
  Hyponatraemia
- C.
  
  Hyperglycaemia
11.

The osmometer determines the osmolality of body fluids using the freezing point depression method.
- A.
  
  True
- B.
  
  False
12.

Elevation of HbA_1coccurs about _______ after the sustained elevation in blood glucose
- A.
  
  3 months
- B.
  
  3 days
- C.
  
  3 weeks
- D.
  
  3 hours
13.

The HbA1c test is useful in the following except:
- A.
  
  Differentiating short-term hyperglycaemia in non-diabetics and diabetics
- B.
  
  Detecting abnormal haemoglobinopathies
- C.
  
  Monitoring degree of metabolic control in diabetic patients
14.

HPLC stands for:
- A.
  
  High-performance liquid chromatography
- B.
  
  High-penetrating liquid chromatography
- C.
  
  High-performance laser chromatography
15.

Most ammonia is normally removed by the ____ and excreted as ____ by the ______
- A.
  
  Liver, urea, kidney
- B.
  
  Kidney, urea, liver
- C.
  
  Liver, bile, kidney
16.

The indicator for ammonia is _________
17.

Increased lactate levels can be caused by the following except:
- A.
  
  Lactic acidosis
- B.
  
  Bleeding
- C.
  
  Over eating
18.

The ammonia and lactate tests are based on the colourmetric method.
- A.
  
  True
- B.
  
  False
19.

Of the three main ketone bodies produced, __________ is the highest concentration.
- A.
  
  Acetone
- B.
  
  Acetoacetate
- C.
  
  Beta-hydroxybutyrate
20.

Blood ketone test must be performed within ______ of collection
- A.
  
  1 hour
- B.
  
  3 hours
- C.
  
  30 minutes
21.

What is the critical value for blood ketone?
- A.
  
  More than or euqal to 1.7mmol/L
- B.
  
  More than or equal to 1.6mmol/L
- C.
  
  More than or equal to 1.5mmol/L
- D.
  
  Less than 1.4mmol/L
22.

Concentration of all the ketones are measured in the Optium blood ketone test.
- A.
  
  True
- B.
  
  False
23.

The absorbance at 460nm for bilirubinometer measure
- A.
  
  Bilirubin
- B.
  
  Hemoglobin
- C.
  
  Bilirubin and hemoglobin
- D.
  
  None of the above
24.

The absorbance at 550nm for bilirubinometer measure
- A.
  
  Bilirubin
- B.
  
  Hemoglobin
- C.
  
  Bilirubin and hemoglobin
- D.
  
  None of the above