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Essential Biochemistry - Organ Function Tests (Section 4)

1
Which of the following is the most important function of the kidney?
Answer
(B)
Excretion of waste products
2
Which condition is indicated by elevated levels of unconjugated bilirubin?
Answer
(C)
Hemolytic anemia
3
Which of the following is the precursor to bilirubin?
Answer
(B)
Heme
4
Which of the following cardiac marker releases first following myocardial infarction?
Answer
(A)
Myoglobin
5
Which tests are useful to differentiate the type of jaundice?
Answer
A
B
C
6
Which component of the thyroid hormone is the most active form?
Answer
(B)
T3 (Triiodothyronine)
7
Which of the following is a key indicator for thyroid function?
Answer
(A)
Serum TSH
8
Prothrombin time in obstructive jaundice
Answer
(B)
Increases after parenteral injection of vitamin K
9
What can cause an increase in serum amylase?
Answer
(B)
Pancreatitis
10
In which of these conditions would serum urea levels likely be elevated?
Answer
(C)
Kidney failure
11
What does an increased level of unconjugated bilirubin indicate?
Answer
(C)
Excessive RBC destruction
12
What is the main role of bilirubin in the body?
Answer
(C)
To remove waste products from the liver
13
What is the normal concentration of total serum bilirubin?
Answer
(A)
0.1 to 1 mg/dL
14
Which of the following is NOT typically measured in a liver function panel?
Answer
(C)
Creatinine
15
What is the role of the liver in carbohydrate metabolism?
Answer
(D)
Both b and c
16
Which of the following is a key indicator for thyroid function?
Answer
(C)
Serum TSH
17
Which of these is a kidney function test?
Answer
A
C
18
What does TSH stand for?
Answer
(A)
Thyroid Stimulating Hormone
19
What is the significance of a decreased creatinine clearance?
Answer
(C)
Impaired kidney function
20
Which of the following is NOT a component of a urinalysis?
Answer
(D)
Bilirubin examination
21
Which hormone is primarily responsible for regulating the basal metabolic rate?
Answer
(C)
Thyroxine (T4)
22
Following are the cardiac markers, except:
Answer
(D)
Alkaline phosphatase
23
What is the main function of measuring GFR?
Answer
(B)
To assess the kidneys' ability to filter waste
24
Which of these are involved in the metabolism and detoxification of drugs?
Answer
(B)
Liver
25
Which hormone stimulates the thyroid gland?
Answer
(C)
TSH
26
What do the kidneys regulate?
Answer
(D)
All of the above
27
Which of the following tests measure GFR accurately?
Answer
(B)
Creatinine clearance
28
What is the primary function of the kidneys?
Answer
(B)
Filter blood and excrete waste
29
What is the main function of the thyroid gland?
Answer
(A)
Produce hormones to regulate metabolism
30
What is the main function of the liver in the body?
Answer
(C)
Detoxification and metabolism.
31
Which test is used to assess the glomerular filtration rate (GFR)?
Answer
(A)
Clearance test
32
Which condition is characterized by an increased level of unconjugated bilirubin?
Answer
(B)
Hemolytic anemia
33
What is the primary function of the liver?
Answer
(C)
Detoxification and metabolism.
34
Which test is most useful in the early detection of kidney disease?
Answer
(B)
Urine protein
35
What is the function of the kidney?
Answer
(B)
Filter blood and excrete waste
36
What is the normal range of creatinine in serum?
Answer
(B)
0.5-1.2 mg/dL
37
In which type of jaundice is conjugated bilirubin elevated?
Answer
(C)
Obstructive jaundice
38
The major advantage offered by myoglobin as a serum marker for myocardial injury is that it is released:
Answer
(A)
Early from damaged cells as compared to other cardiac markers
39
What is the normal range of fasting blood glucose?
Answer
(A)
Below 100 mg/dL
40
What are the components of a routine urinalysis?
Answer
A
B
C
41
Which of the following is an indicator of kidney function?
Answer
(B)
Serum creatinine
42
What can cause a decreased creatinine clearance?
Answer
(C)
Kidney disease
43
Which of the following can be found in urine?
Answer
A
B
C
D
44
Which of the following tests helps differentiate between types of jaundice?
Answer
A
B
C
45
What is the function of albumin?
Answer
(B)
To maintain oncotic pressure