chapt 9

Question 1

What information is required on a requisition form?
a. patient’s first and last name
b. patient’s identification number
c. the test requested d. all of the above

Answer 1

d. all of the above

Question 2

Before you draw a blood sample from a patient you must always:
a. check the patient’s ID number and name on the wristband
b. ask the patient his or her first and last name
c. tell the patient what type of blood test that
you are going to collect
d. aandb
e. all of the above

Answer 2

d. aandb

Question 3

The maximum length of time the tourniquet should be applied is:
a. 1 minute b. 3 minutes c. 5 minutes
d. 10 minutes

Answer 3

a. 1 minute

Question 4

The vein of choice for venipuncture is the: a. basilic
b. cephalic
c. median cubital
d. radial

Answer 4

c. median cubital

Question 5

A properly tied tourniquet:
a. permits arterial flow and blocks venous flow b. blocks arterial and venous flow
c. prevents backflow
d. permits venous flow and blocks arterial flow

Answer 5

a. permits arterial flow and blocks venous flow

Question 6

Correct palpation of a vein includes all of the following EXCEPT:
a. determining the depth of the vein b. detecting a pulse using the thumb
c. determining the direction of the vein d. probing with the index finger

Answer 6

b. detecting a pulse using the thumb

Question 7

Failure to allow the alcohol to dry on the pa- tient’s arm after site cleansing can cause all of the following EXCEPT:
a. increased bacteriostatic action
b. a stinging sensation for the patient
c. a possible unsterile site d. sample hemolysis

Answer 7

a. increased bacteriostatic action

Question 8

The venipuncture step of primary importance to prevent rolling veins is:
a. tightly applying the tourniquet
b. selecting the median cubital vein
c. using a 23-gauge needle
d. anchoring the vein while inserting the
needle

Answer 8

d. anchoring the vein while inserting the
needle

Question 9

The needle is inserted into the vein:
a. bevel up at a 45- to 50-degree angle
b. bevel up at a 15- to 30-degree angle
c. bevel down at a 15- to 30-degree angle d. bevel down at a 45- to 50-degree angle

Answer 9

b. bevel up at a 15- to 30-degree angle

Question 10

Prior to bandaging the puncture site, the phle- botomist should:
a. thank the patient
b. instruct a fasting patient to eat
c. examine the site for bleeding
d. apply pressure for at least 5 minutes

Answer 10

c. examine the site for bleeding