Question 1

Plasma makes up approximately 45% of blood by volume.

Accepted Answer

A) True 
 B)False

Question 2

Using capillary blood from a finger, the Cholestech LDX analyzer is capable of measuring which of the following?

Accepted Answer

A)  HDL, LDL, and VLDL 
B)  TC/HDL ratio 
C)  Glucose 
D)  All of the above 
A)  HDL, LDL, and VLDL 
B)  TC/HDL ratio 
C)  Glucose 
D)  All of the above

Question 3

Eosinophils are associated with allergic reactions.

Accepted Answer

A) True 
 B)False

Question 4

Hormones detected in a thyroid panel include

Accepted Answer

A)  thyroxine. 
B)  triiodothyronine. 
C)  thyroid-stimulating hormone. 
D)  All of the above 
A)  thyroxine. 
B)  triiodothyronine. 
C)  thyroid-stimulating hormone. 
D)  All of the above

Question 5

When is administration of RhoGAM immune globulin absolutely necessary?

Accepted Answer

A)  If an Rh-negative mother gives birth to an Rh-positive baby 
B)  If an Rh-positive mother gives birth to an Rh-negative baby 
C)  If both mother and baby are Rh negative 
D)  If an Rh-negative man fathers an Rh-negative baby 
A)  If an Rh-negative mother gives birth to an Rh-positive baby 
B)  If an Rh-positive mother gives birth to an Rh-negative baby 
C)  If both mother and baby are Rh negative 
D)  If an Rh-negative man fathers an Rh-negative baby

Question 6

The WBC count is lowest in newborns and highest in adults.

Accepted Answer

A) True 
 B)False

Question 7

After centrifugation on a microhematocrit test, which of the following will be found in the center of the tube?

Accepted Answer

A)  Plasma 
B)  RBCs 
C)  Serum 
D)  Buffy coat 
A)  Plasma 
B)  RBCs 
C)  Serum 
D)  Buffy coat

Question 8

The name used to describe an immature neutrophil.

Accepted Answer

A)  Eosinophil 
B)  Polymorphonuclear cell 
C)  Megakaryocyte 
D)  Band 
A)  Eosinophil 
B)  Polymorphonuclear cell 
C)  Megakaryocyte 
D)  Band

Question 9

Which component of the complete blood count is not necessary to calculate the red cell indices?

Accepted Answer

A)  Differential 
B)  Hemoglobin 
C)  Hematocrit 
D)  Erythrocyte count 
A)  Differential 
B)  Hemoglobin 
C)  Hematocrit 
D)  Erythrocyte count

Question 10

Which of the following is a normal hemoglobin for a female?

Accepted Answer

A)  11 g/dL 
B)  14 g/dL 
C)  17 g/dL 
D)  9.5 g/dL 
A)  11 g/dL 
B)  14 g/dL 
C)  17 g/dL 
D)  9.5 g/dL

Question 11

Microscopically, which of the following cells have large, dark, blue-black granules and contain histamine?

Accepted Answer

A)  Lymphocytes 
B)  Basophils 
C)  Eosinophils 
D)  Monocytes 
A)  Lymphocytes 
B)  Basophils 
C)  Eosinophils 
D)  Monocytes

Question 12

Blood type O is considered the "universal donor," because no anti-A or anti-B antibodies are found in the plasma.

Accepted Answer

A) True 
 B)False

Question 13

Which statement is true about HDL?

Accepted Answer

A)  It transports cholesterol. 
B)  It is referred to as the "bad" cholesterol. 
C)  If elevated, it can result in a greater risk of heart disease. 
D)  All of the above are true. 
A)  It transports cholesterol. 
B)  It is referred to as the "bad" cholesterol. 
C)  If elevated, it can result in a greater risk of heart disease. 
D)  All of the above are true.

Question 14

The life span of an erythrocyte is approximately 120 days.

Accepted Answer

A) True 
 B)False

Question 15

Hemoglobin A1c determination is more useful than blood glucose measurement in the management of diabetes, because it provides information on the average blood sugar level over a 2- to 3-month period.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following tests is used for the initial screening of a patient for diabetes type 2?

Accepted Answer

A)  Fasting blood glucose 
B)  Blood glucose tolerance test 
C)  Glycosylated hemoglobin A1c 
D)  All of the above 
A)  Fasting blood glucose 
B)  Blood glucose tolerance test 
C)  Glycosylated hemoglobin A1c 
D)  All of the above

Question 17

A test that determines long-range blood glucose control is the

Accepted Answer

A)  ESR. 
B)  PT. 
C)  A1c. 
D)  FBS. 
A)  ESR. 
B)  PT. 
C)  A1c. 
D)  FBS.

Question 18

An RBC with a normal amount of hemoglobin is said to be hyperchromic.

Accepted Answer

A) True 
 B)False

Question 19

This instrument is used to separate blood cells from plasma.

Accepted Answer

A)  Incubator 
B)  Centrifuge 
C)  Microscope 
D)  All of the above 
A)  Incubator 
B)  Centrifuge 
C)  Microscope 
D)  All of the above

Question 20

Lavender-topped tubes are used for routine CBC tests.

Accepted Answer

A) True 
 B)False

Exam 44: Assisting in the Analysis of Blood

Plasma makes up approximately 45% of blood by volume.

Using capillary blood from a finger, the Cholestech LDX analyzer is capable of measuring which of the following?

Eosinophils are associated with allergic reactions.

Hormones detected in a thyroid panel include

When is administration of RhoGAM immune globulin absolutely necessary?

The WBC count is lowest in newborns and highest in adults.

After centrifugation on a microhematocrit test, which of the following will be found in the center of the tube?

The name used to describe an immature neutrophil.

Which component of the complete blood count is not necessary to calculate the red cell indices?

Which of the following is a normal hemoglobin for a female?

Microscopically, which of the following cells have large, dark, blue-black granules and contain histamine?

Blood type O is considered the "universal donor," because no anti-A or anti-B antibodies are found in the plasma.

Which statement is true about HDL?

The life span of an erythrocyte is approximately 120 days.

Hemoglobin A1c determination is more useful than blood glucose measurement in the management of diabetes, because it provides information on the average blood sugar level over a 2- to 3-month period.

Which of the following tests is used for the initial screening of a patient for diabetes type 2?

A test that determines long-range blood glucose control is the

An RBC with a normal amount of hemoglobin is said to be hyperchromic.

This instrument is used to separate blood cells from plasma.

Lavender-topped tubes are used for routine CBC tests.

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Hemoglobin A_1c determination is more useful than blood glucose measurement in the management of diabetes, because it provides information on the average blood sugar level over a 2- to 3-month period.