POST TEST 1

Question 1

Which of the following violations of the Westgard rule is usually associated with random error?

• 12s
• 13s
• R4s
• All of the above

Answer 1

All of the above

Question 2

Venous blood glucose is 7mg/dL higher than capillary blood glucose. Plasma glucose concentration is approximately 60-70% that of CSF glucose concentration.

• First statement is correct. Second statement is incorrect.
• First statement is incorrect. Second statement is correct.
• Both statements are incorrect.
• Both statements are correct.

Answer 2

Both statements are incorrect.

Question 3

Dry slide technology employs a colorimetric slide which has five (5) layers. From top to bottom, the layers include:

• scavenger, spreading, reagent, indicator and support layer.
• support, indicator, reagent, scavenger and spreading layer.
• spreading, support, scavenger, reagent and indicator layer.
• spreading, scavenger, reagent, indicator and support layer.

Answer 3

spreading, scavenger, reagent, indicator and support layer.

Question 4

This type of automatic pipet functions like a hypodermic syringe and does not use disposable tips:

• Mohr pipet
• Oswald-Folin pipet
• Positive displacement pipet
• Air displacement pipet

Answer 4

Positive displacement pipet

Question 5

An angle-head centrifuge has a faster speed than a horizontal-head centrifuge. There is a higher possibility of remixing in a horizontal centrifuge compared to angle-head centrifuge.

• First statement is incorrect. Second statement is correct.
• Both statements are correct.
• Both statements are incorrect.

Answer 5

Both statements are incorrect.

Question 6

Lab results of a newborn reveals total bilirubin level of 7.5 mg/dL. What is its equivalent in SI unit?

• 96. 75 umol/L
• 128. 25 umol/L
• 0.44 umol/L
• 0.41 umol/L

Answer 6

128. 25 umol/L

Question 7

Your senior MedTech staff asked you to prepare a solution containing 2 ml of plasma and 10 ml of buffer. What is the final dilution of this solution?

• 1: 4
• 1: 6
• 2: 10

Answer 7

1: 6

Question 8

The following are systemic error, EXCEPT:

1.Pipetting error
2.Temperature fluctuations
3.Improper calibration of machine
4.Contaminated reagent

• 1, 2
• 1, 2, 3
• 1, 2, 3, 4

Answer 8

1, 2

Question 9

Which of the following will cause decrease in blood glucose level?

1. Glycolysis
2. Lipogenesis
3. Gluconeogenesis
4. Glycogenolysis
5. Glycogenesis
6. Lipolysis

• 2, 3 and 5
• 3, 4 and 6
• 1, 3 and 6

Answer 9

1, 3 and 6

Question 10

Whole blood tends to give approximately __________ glucose readings than plasma or serum.

• 5-10% higher
• 5-10 lower
• 10-15% higher
• 10-15% lower

Answer 10

10-15% lower

Question 11

Which among the following describes Type-I diabetes mellitus?

i.Beta-cell destruction
ii.Negative to autoantibodies
iii.Undetectable/ decreased C-peptide levels
iv.Commonly affect adults
v.Ketosis is rare.

• i, ii, iii, v
• ii, iv, v
• i, iii
• ii, iv

Answer 11

i, iii

Question 12

Arrange the lipoproteins according to decreasing density.

1. VLDL
2. HDL
3. LDL
4. Chylomicrons
5. IDL
6. B-VLDL
7. Lp (a)

• 2>3>7>5>1>6>4
• 4>1>6>5>3>7>2
• 4>3>6>5>7>1>2
• 2>1>7>5>6>3>4

Answer 12

2>3>7>5>1>6>4

Question 13

Which of the following is TRUE about B-VLDL?

• It is found in the same VLDL density range but migrates electrophoretically with or near LDL
• It is known as the sinking pre-beta-lipoprotein
• It has been associated with obstructive biliary disease

Question 14

The following globulins migrate in the beta region, EXCEPT:

1. Orosomucoid
2. Siderophilin
3. C-reactive protein
4. Hemopexin
5. Complements
6. Microglobulins
7. VLDL
8. LDL

• 1 and 3
• 1, 6, 7 and 8
• 1, 3, 7 and 8

Question 15

When preparing the patient for an OGTT, which of the following conditions will lead to an erroneous result?

• Administration of 75-g glucose following 10-12 hours fasting
• Patient remains ambulatory for 3 days prior to the test
• No food, coffee, tea, or smoking allowed 2 hours before and during the test.