CHAP 12 Flashcards
1
Q
- When selecting a dermal puncture device, the most critical consideration is the:
a. width of the incision
b. amount of blood needed
c. depth of the incision
d. tests requested
A
c. depth of the incision
2
Q
- Dermal punctures are often performed on:
a. patients receiving chemotherapy
b. geriatric patients
c. diabetic patients
d. all of the above
A
d. all of the above
3
Q
- The concentration of this analyte is higher in blood collected by dermal puncture than in
venipuncture:
a. glucose
b. potassium
c. total protein
d. calcium
A
a. glucose
4
Q
- Dermal punctures on newborns are performed on the:
a. index finger
b. medial or lateral plantar areas of the heel
c. back of the heel
d. earlobe
A
b. medial or lateral plantar areas of the heel
5
Q
- The maximum length of a puncture device used on the heel is:
a. 1.0 mm
b. 1.5 mm
c. 2.0 mm
d. 2.5 mm
A
c. 2.0 mm
6
Q
- Failure to puncture across the fingerprint will cause:
a. blood to run down the finger
b. hemolysis
c. contamination of the sample
d. additional patient disc
A
a. blood to run down the finger
7
Q
- The order of draw for a bilirubin, blood smear, and CBC by dermal puncture is:
a. CBC, blood smear, and bilirubin
b. blood smear, CBC, and bilirubin
c. bilirubin, blood smear, and CBC
d. blood smear, bilirubin, and CBC
A
b. blood smear, CBC, and bilirubin
8
Q
- The blood sample for this test must be
protected from light:
a. capillary blood gases
b. CBC
c. PKU
d. bilirubin
A
d. bilirubin
9
Q
- A test included in a newborn screen that is collected using filter paper is:
a. PKU
b. electrolytes
c. bilirubin
d. CBC
A
a. PKU
10
Q
- The proper angle of the spreader slide when preparing a blood smear is:
a. 15°
b. 25°
c. 30°
d. 45°
A
c. 30°
11
Q
- A laboratory test to detect platelet number and function is the:
a. bilirubin
b. capillary blood gases
c. PKU
d. bleeding time
A
d. bleeding time