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Essential Biochemistry - Organ Function Tests (Section 3)

1
In which condition might you see an elevated ALP (alkaline phosphatase) alongside increased bilirubin?
Answer
(B)
Liver disease
2
What is the function of the parathyroid glands in relation to calcium?
Answer
(B)
To increase calcium levels in the blood.
3
Increased plasma level of which of the following is a risk factor of CHD except
Answer
(B)
HDL-cholesterol
4
What is the name of the test that measures the glomerular filtration rate (GFR)?
Answer
(A)
Creatinine clearance test
5
Which of the following is a kidney function test?
Answer
(C)
Creatinine clearance
6
What condition is associated with elevated levels of direct bilirubin?
Answer
(B)
Bile duct obstruction
7
What is a major clinical sign of nephrotic syndrome?
Answer
(B)
Proteinuria
8
What tests assess liver function?
Answer
A
B
C
9
In which of the following conditions is unconjugated bilirubin elevated?
Answer
(A)
Hemolytic jaundice
10
What is the primary function of the kidney?
Answer
(B)
To filter blood and excrete waste
11
The Van Den Bergh reaction is used to differentiate between
Answer
(A)
Direct and indirect bilirubin
12
Insulin clearance is used to assess
Answer
(C)
GFR
13
What is the physiological role of the liver?
Answer
(A)
Detoxification of endogenous and exogenous substances
14
Which of these is directly measured in a thyroid function test?
Answer
(C)
Thyroxine (T4)
15
Which test helps in differentiating types of jaundice?
Answer
(B)
Total bilirubin, direct and indirect bilirubin
16
Which of the following is not a feature of obstructive jaundice?
Answer
(A)
Increased level of serum unconjugated bilirubin
17
Which of the following is NOT one of the major functions of the kidney?
Answer
(D)
Bile production
18
What type of bilirubin is water-soluble?
Answer
(C)
Conjugated
19
Which of the following has protective effect against myocardial infarction?
Answer
(C)
HDL
20
In hemolytic jaundice
Answer
(A)
Urinary unconjugated excretion is increased
21
What is the normal range of serum albumin?
Answer
(C)
3.5-5.0 g/dL
22
Which of the following is a measure of kidney function?
Answer
A
B
23
Which test is used in the diagnosis of diabetes?
Answer
(A)
Fasting blood glucose
24
What is the normal ratio of AST/ALT?
Answer
(B)
AST < ALT
25
What tests are used to assess the kidney function?
Answer
A
B
C
26
Which of the following is a key factor in the diagnosis of diabetes mellitus?
Answer
(B)
Elevated serum glucose
27
What is a characteristic finding in patients with diabetes?
Answer
(B)
High blood glucose
28
Which of the following is a synthetic function of the liver?
Answer
(B)
Synthesis of albumin
29
Which of these tests can be used to assess kidney function?
Answer
A
B
30
Failure of concentrating capacity of urine is assessed by measurement of:
Answer
(B)
Fluid deprivation test
31
What are some major roles of the liver?
Answer
A
B
C
D
32
Positive direct van den Bergh's reaction indicates presence of:
Answer
(A)
Conjugated bilirubin
33
What is the role of the thyroid gland in the body?
Answer
(C)
To produce hormones that regulate metabolism.
34
What is the role of the thyroid in the body?
Answer
(B)
To produce hormones that regulate metabolism
35
What is the normal range of urea in serum?
Answer
(B)
20-40 mg/dL
36
What type of test is the measurement of total serum protein?
Answer
(A)
Liver function test
37
Which of the following is a major function of the liver?
Answer
(C)
Detoxification of drugs and toxins
38
What does an increase in serum alkaline phosphatase (ALP) generally indicate?
Answer
(B)
Bone disease
39
The main disadvantage of using the measurement of insulin in the measurement of insulin clearance is
Answer
(C)
Insulin is not reabsorbed by the tubules
40
What is the primary function of TSH?
Answer
(B)
Stimulating the thyroid gland
41
Which test measures the concentration of the main thyroid hormone in the blood?
Answer
(B)
Free T4
42
What does increased total bilirubin usually indicate?
Answer
(B)
Impaired liver function or excessive red blood cell breakdown
43
Which of the following tests are used to assess renal function?
Answer
(D)
All of the above
44
Which of the following can be found in the urine in a patient with diabetes?
Answer
A
B
C
45
What is the normal range of total bilirubin?
Answer
(C)
0.3 to 1.0 mg/dL
46
What test is commonly used to assess kidney function?
Answer
(A)
Creatinine level
47
What is the main function of the kidney?
Answer
(B)
To filter blood and excrete waste
48
Which of the following is a key indicator of kidney disease?
Answer
(A)
Elevated serum creatinine
49
Which of the following values is an indicator of a decreased glomerular filtration rate?
Answer
(B)
Decreased creatinine clearance
50
In the Van den Bergh reaction, what does a direct reaction with the reagent indicate?
Answer
(B)
Conjugated Bilirubin