Quiz Summary
0 of 20 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 20 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 20
1. Question
A breakdown product of hemoglobin is:
CorrectIncorrect -
Question 2 of 20
2. Question
Hemoglobin S can be separated from hemoglobin D by:
CorrectIncorrect -
Question 3 of 20
3. Question
On electrophoresis at alkaline pH, which of the following is the slowest migrating hemoglobin?
CorrectIncorrect -
Question 4 of 20
4. Question
The hemoglobin that is resistant to alkali (KOH) denaturation is:
CorrectIncorrect -
Question 5 of 20
5. Question
The bilirubin results shown in the table are obtained on a patient:
day result
- 4.3 mg/dL (73.5 μmol/L)
- 4.6 mg/dL(78.7 μmol/L)
- 4.5 mg/dL (77.0 μmol/L)
- 2.2 mg/dL(37.6 μmol/L)
- 4.4 mg/dL (75.2 μmol/L)
- 4.5 mg/dL (77.0 μmol/L)
Given that the controls are within range each day, what is a probable explanation for the result on day 4?
CorrectIncorrect -
Question 6 of 20
6. Question
Urobilinogen is formed in the:
CorrectIncorrect -
Question 7 of 20
7. Question
In bilirubin determinations, the purpose of adding a concentrated caffeine solution or methyl alcohol is to:
CorrectIncorrect -
Question 8 of 20
8. Question
If the total bilirubin is 3.1 mg/dL (53.0 μmol/L) and the conjugated bilirubin is 2.0 mg/dL (34.2 μmol/L), the unconjugated bilirubin is:
CorrectIncorrect -
Question 9 of 20
9. Question
The principle of the tablet test or bilirubin in urine or feces is:
CorrectIncorrect -
Question 10 of 20
10. Question
Ten heparinized plasma samples are assayed for bilirubin by Jendrassik-Grof method on analyzer 1,and by the Evelyn-Malloy method on analyzer 2, in a method comparison study.
The results are all 10-20% higher from analyzer 2 most likely because:
CorrectIncorrect -
Question 11 of 20
11. Question
Serial bilirubin determinations performed by Jendrassik-Grof method are shown in this table:
day
collected
assayed
result
1
7 AM
8 AM
14.0mg/dL(239.4 μmol/L)
2
7 AM
6 PM
9.0 mg/dL(153.9 μmol/L)
3
6 AM
8 PM
15.0 mg/dL (256.5 μmol/L)
The best explanation for the results is:
CorrectIncorrect -
Question 12 of 20
12. Question
In the liver, bilirubin is converted to:
CorrectIncorrect -
Question 13 of 20
13. Question
In which of the following disease states is conjugated bilirubin a major serum component?
CorrectIncorrect -
Question 14 of 20
14. Question
Kernicterus is an abnormal accumulation of bilirubin in:
CorrectIncorrect -
Question 15 of 20
15. Question
In which of the following conditions does decreased activity of glucuronyl transferase result in increased unconjugated bilirubin and kernicterus in neonates?
CorrectIncorrect -
Question 16 of 20
16. Question
A 21-year-old man with nausea, vomiting, and jaundice has these laboratory findings:
test
patient value
reference range
total serum bilirubin
8.5mg/dL (145.4 μmol/L)
0-1.0mg/dL(0.0-17.1 μmol/L)
conjugated serum bilirubin
6.1 mg/dL (104.3 μmol/L)
0-0.5mg/dL (0.0-8.6 μmol/L)
urine urobilinogen
increased
fecal urobilinogen
decreased
urine bilirubin
positive
AST
300 U/L
0-50 U/L
alkaline phosphatase
170 U/L
0-150 U/L
These can best be explained as representing:
CorrectIncorrect -
Question 17 of 20
17. Question
A stool specimen that appears black and tarlike should be tested for the presence of:
CorrectIncorrect -
Question 18 of 20
18. Question
What substance gives feces its normal color?
CorrectIncorrect -
Question 19 of 20
19. Question
A condition in which erythrocyte protoporphyrin is increased is:
CorrectIncorrect -
Question 20 of 20
20. Question
The definitive diagnosis for hereditary coproporphyria (HCP) is a markedly increased:
CorrectIncorrect