Module 5 Part III

Question 1

VAD

A catheter that is placed in an artery

Answer 1

Arterial line

Question 2

VAD

Arterial line is most commonly placed in a ___

Answer 2

Radial artery

Question 3

VAD

Typically used to provide accurate and continuous measurement of a patient’s blood pressure

Answer 3

Arterial line

Question 4

VAD

Also be used to collect blood gas and other blood specimens and for the administration of drugs such as dopamine

Answer 4

Arterial line

Question 5

VAD

• Permanent surgical connection of an artery and vein by direct infusion, resulting in a bulging vein
• Or with a piece of vein or tubing that creates a loop under the skin

Answer 5

Arteriovenous shunt, fistula, or graft

Question 6

VAD

• Typically created to be used for dialysis
• Commonly joins the radial artery and cephalic vein above the wrist on the underside of the arm

Answer 6

Arteriovenous shunt, fistula, or graft

Question 7

VAD

A catheter or cannula connected to a stopcock or a cap with a diaphragm that provides access for administering medication or drawing blood

Answer 7

Heparin or Saline lock

Question 8

VAD

Often placed in a vein in the lower arm above the wrist and can be left in place for up to 48 hours

Answer 8

Heparin or Saline lock

Question 9

VAD

Heparin or Saline lock: Often placed in a vein in the lower arm above the wrist and can be left in place for up to ___

Answer 9

48 hours

Question 10

VAD

Heparin or Saline lock: A ___ should be drawn first when blood specimens are collected from either type of device

Answer 10

5 mL discard tube

Question 11

VAD

Intravenous means?

Answer 11

“of, pertaining to, or within a vein.”

Question 12

VAD

A catheter inserted in a vein to administer fluids

Answer 12

Intravenous line or IV

Question 13

VAD

Previously active IV sites present a potential ___ in testing

Answer 13

Source of error

Question 14

VAD

Blood specimens should not be collected from a known previous IV site within ___ of the time the IV was discontinued

Answer 14

24 to 48 hours

Question 15

VAD

Consists of tubing inserted into a main vein or artery

Answer 15

Central vascular access device (CVAD)

Question 16

VAD

A CVAD is also called an?

Answer 16

Indwelling line

Question 17

VAD

Having a CVAD is practical for patients who need IV access for ___ and is especially beneficial for patients who ___

Answer 17

• An extended time
• Do not have easily accessible veins

Question 18

CVAD

Central venous Catheter (CVC) is also known as?

Answer 18

Central venous line

Question 19

CVAD

A line inserted into a large vein such as the subclavian and advanced into the superior vena cava, proximal to the right
atrium

Answer 19

CVC

Question 20

CVAD

The exit end is surgically tunneled under the skin to a site several inches away in the chest

Answer 20

CVC

Question 21

CVAD

One or more short lengths of capped tubing protrude from the exit site, which is normally covered with a transparent dressing

Answer 21

CVC

Question 22

CVAD

A small chamber attached to an indwelling line that is surgically implanted under the skin and most commonly located in the upper chest or arm

Answer 22

Implanted port

Question 23

CVAD

The device is located by palpating the skin and accessed by inserting a special needle through the skin into the self-sealing septum (wall) of the chamber

Answer 23

Implanted port

Question 24

CVAD

The site is not normally covered with a bandage when not in use

Answer 24

Implanted port

Question 25

CVAD

A line inserted into the peripheral venous system and threaded into the central venous system

Answer 25

PICC

Question 26

CVAD

It does not require surgical insertion and is typically placed in an antecubital vein just above or below the antecubital fossa

Answer 26

PICC

Question 27

These devices are permanent surgical connection of an artery and vein by direct infusion (___), resulting in a bulging vein, or with a piece of vein or tubing (___) that creates a loop under the skin.

Answer 27

• Fistula
• Graft

Question 28

Choices for venipuncture before IV site

Answer 28

1. Arm without IV
2. Capillary puncture
3. Foot or ankle
4. Below IV

Question 29

6 Steps for “Performing Venipuncture Below an IV Line”

Answer 29

1. Nurse turns of IV for at least 2 minutes prior to collection
2. Apply tourniquet distal to the IV
3. Select a venipuncture site distal to the IV
4. Perform the venipuncture in a different vein than the IV
5. Ask the nurse to restart the IV
6. Indicate where the specimen was collected below an IV, specify the IV fluid type, and identify the used arm

Question 30

CVAD

The amount of blood discarded depends upon the ___ of the line. ___ times the dead space volume is discarded for noncoagulation tests and ___ times (normally about ___) is generally recommended for coagulation tests.

Answer 30

• Dead-space volume
• Two
• Six; 5 mL

Question 31

The amount of blood discarded depends upon the dead-space volume of the line. Two times the dead space volume is discarded for ___ tests and six times (normally about 5 mL) is generally recommended for ___ tests.

Answer 31

• Noncoagulation
• Coagulation

Question 32

It is preferred that specimens for coagulation tests ___ from CVADs

Answer 32

Not be drawn