CHAP 14

Question 1

1. To perform arterial punctures, a health-care worker must be:
   a. certified in his/her field
   b. licensed in his/her field
   c. trained in arterial punctures
   d. trained to insert IVs

Answer 1

c. trained in arterial punctures

Question 2

2. The ABG test that measures the patient’s ability
   to exhale is the:
   a. PO2
   b. PCO2
   c. HCO3
   d. pH

Answer 2

b. PCO2

Question 3

3. The primary anticoagulant used for ABGs is:
   a. lithium heparin
   b. sodium citrate
   c. potassium oxalate
   d. ammonium citrate

Answer 3

a. lithium heparin

Question 4

4. ABG samples that cannot be tested within 30 minutes:
   a. are collected in glass syringes
   b. are collected in preheparinzed plastic syringes
   c. are placed in an ice slurry after collection
   d. both a and c

Answer 4

d. both a and c

Question 5

5. Which of the following patient information is NOT included on an ABG requisition form?
   a. collection site
   b. pulse rate
   c. respiration rate
   d. method of ventilation

Answer 5

b. pulse rate

Question 6

6. The preferred site for arterial puncture is the:
   a. brachial artery
   b. ulnar artery
   c. femoral artery
   d. radial artery

Answer 6

d. radial artery

Question 7

7. A negative Modified Allen Test indicates:
   a. the ulnar artery can be punctured
   b. the radial artery can be punctured
   c. the radial artery cannot be punctured
   d. no collateral circulation by the radial artery

Answer 7

c. the radial artery cannot be punctured

Question 8

8. When performing an arterial puncture:
   a. the artery is entered below the palpating
   finger
   b. the artery is entered above the palpating finger
   c. a pressure bandage is immediately applied after puncture
   d. the needle is held at a 10- to 25-degree angle

Answer 8

a. the artery is entered below the palpating
finger

Question 9

9. All of the following are technical errors that affect the quality of an ABG sample EXCEPT:
   a. excess anticoagulant
   b. too little anticoagulant
   c. removing air bubbles from the syringe
   d. obtaining dark red blood

Answer 9

c. removing air bubbles from the syringe

Question 10

10. A complication of arterial puncture that can lead to tissue destruction is:
    a. an arteriospasm
    b. a lack of collateral circulation
    c. a vasovagal reaction
    d. both a and b

Answer 10

d. both a and b