Question 1

A blood specimen can be hemolyzed if the:

Accepted Answer

A)  tube is transported in an upright position. 
B)  evacuated tube is filled to the exhaustion of the vacuum. 
C)  tube is vigorously shaken to mix the blood with the anticoagulant. 
D)  needle is removed before removing the tourniquet.

Question 2

Which of the following are analytes that are affected when hemolyzed blood releases chemicals into the plasma and serum?

Accepted Answer

A)  Potassium and magnesium 
B)  Iron and lactate dehydrogenase 
C)  Phosphorus, ammonia, and total protein 
D)  All of the above

Question 3

Identify the lettered item on the following figure.
  
C: ____________________

Accepted Answer

The answer of Identify the lettered item on the following...

Question 4

Which of the following statements concerning performing a venipuncture on an arm adjacent to a mastectomy is incorrect?

Accepted Answer

A)  A patient who has had a mastectomy may have no lymph flow to that arm. 
B)  Lymph nodes in the adjacent area to a mastectomy have been removed. 
C)  The tourniquet will not injure the patient's arm. 
D)  Mastectomy carries a potential risk for infection, along with alterations in body fluids and blood analytes.

Question 5

_________________ is a process whereby blood flows freely into a capillary tube in microcollection procedures.

Accepted Answer

The answer of _________________ is a process whereby blood flows...

Question 6

Which of the following is not a reason for failure to obtain blood?

Accepted Answer

A)  The bevel of the needle was against the wall of the vein. 
B)  The needle gauge was 21. 
C)  The needle was only partially inserted into the vein. 
D)  The needle pierced all the way through the vein.

Question 7

Identify the lettered item on the following figure.
  
F: ____________________

Accepted Answer

The answer of Identify the lettered item on the following...

Question 8

Identify the lettered item on the following figure.
  
B: ____________________

Accepted Answer

The answer of Identify the lettered item on the following...

Question 9

A capillary puncture may be performed in all of the following cases except:

Accepted Answer

A)  when performing point-of-care tests. 
B)  when the patient has burns, skin irritation, or small or fragile veins at the antecubital site. 
C)  with patients who have cancer, are geriatric, or obese. 
D)  when a large amount of blood is needed.

Question 10

Identify the lettered item on the following figure.
  
D: ____________________

Accepted Answer

The answer of Identify the lettered item on the following...

Question 11

Which of the following statements is incorrect concerning excessive bleeding after a venipuncture procedure?

Accepted Answer

A)  Normally a patient stops bleeding in 6 to 10 minutes. 
B)  Patients who take medications such as blood thinners and arthritis medications may bleed for a longer time. 
C)  Patients may have coagulation abnormalities, such as platelet defects, in which petechiae may appear on their skin. 
D)  The physician must be notified if bleeding does not stop.

Question 12

Which of the following is not a reason for using a syringe method for venipuncture?

Accepted Answer

A)  Using a syringe helps prevent the collapsing of small veins. 
B)  Using a syringe is more expedient than using the Vacutainer method. 
C)  Using a syringe allows for control of the pressure on the vein. 
D)  Using a syringe involves the transfer of the blood from the syringe to the evacuated tubes.

Question 13

Identify the lettered item on the following figure.
  
E: ____________________

Accepted Answer

The answer of Identify the lettered item on the following...

Question 14

Identify the lettered item on the following figure.
  
J: ____________________

Accepted Answer

The answer of Identify the lettered item on the following...

Exam 4: Blood Collection

A blood specimen can be hemolyzed if the:

Which of the following are analytes that are affected when hemolyzed blood releases chemicals into the plasma and serum?

Identify the lettered item on the following figure. C: ____________________

Which of the following statements concerning performing a venipuncture on an arm adjacent to a mastectomy is incorrect?

_________________ is a process whereby blood flows freely into a capillary tube in microcollection procedures.

Which of the following is not a reason for failure to obtain blood?

Identify the lettered item on the following figure. F: ____________________

Identify the lettered item on the following figure. B: ____________________

A capillary puncture may be performed in all of the following cases except:

Identify the lettered item on the following figure. D: ____________________

Which of the following statements is incorrect concerning excessive bleeding after a venipuncture procedure?

Which of the following is not a reason for using a syringe method for venipuncture?

Identify the lettered item on the following figure. E: ____________________

Identify the lettered item on the following figure. J: ____________________