Tumor Marker

Question 1

Which of the following enzymes is increased in patients with cancer involving bone?
a. amylase
b. alkaline phosphatase
c. Neuron-specific enolase
d. gamma glutamic transferase

Answer 1

alkaline phosphatase

Question 2

Which tumor marker is associated with neuroblastoma?
a. CA 15-3
b. Carcinoembryonic antigen (CEA)
c. CA 125
d. Homovanillic acid (HVA)

Answer 2

Homovanillic acid (HVA)

Question 3

Which of the following tumor markers is classified as an oncofetal antigen?
a. Carcinoembryonic antigen (CEA)
b. CA 19-9
c. BRCA -1
d. hCG

Answer 3

Carcinoembryonic antigen (CEA)

Question 4

Tumor marker methodology include all of the following except:
a. immunoassays
b. gas chromatography
c. immunohistochemistry
d. enzyme analysis

Answer 4

gas chromatography

Question 5

TRUE or FALSE. Abnormally low tumor marker concentrations are associated with antigen deficiency and can cause false negative results

Answer 5

FALSE

Question 6

The utilization of tumor markers is most important for:
a. screening for asymptomatic patients
b. screening for molecular markers
c. monitoring the effectiveness of treatment
d. confirming the presence of cancer

Answer 6

monitoring the effectiveness of treatment

Question 7

TRUE or FALSE. To accurately monitor tumor marker levels of the patient, it is important house the same methodology

Answer 7

TRUE