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ch.11 and 12
chapter 11 and 12 study questions
51
Medical
Undergraduate 3
03/25/2015

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Term
AV
Definition
arteriovenous
Term
CVC
Definition
Central venous catheter
Term
EMLA
Definition
eutectic mixture of local anesthetics
Term
ER,ED
Definition
emergency room, emergency department
Term
HIV
Definition
human immunodeficiency department
Term
ICU
Definition
intensive care unit
Term
ID
Definition
identification
Term
IV
Definition
intravenous
Term
PICC
Definition
peripherally inserted central catheter
Term
PKU
Definition
phenylketonuria
Term
RBCs
Definition
red blood cells
Term
stat
Definition
short turnaround time
Term
TLC
Definition
tender loving care
Term
VAD
Definition
vascular access device
Term
WBC
Definition
white blood cell
Term
collecting blood from pediatric patients presents both
Definition
technical and psychological challenges
Term
children have a lower _______ _________ _____ than adults do
Definition
total blood volume
The younger (and smaller) the child, the lower the volume that can be safely withdrawn
Term
Removal of ________% or less of the total blood volume is the preferred maximum
Definition
3%
Term
No more than _________% of the total blood volume should be removed over a 1-month period unless medically necessary
Definition
10%
Term
The most common pediatric collection procedure is a _______ _______
Definition
dermal puncture
Term
Newborns have a ________proportion of red blood cells than adults do
Definition
higher. 60% verses 45% and a lower proportion of plasma (40 % verses 55%) so more blood may need to be needed to obtain enough serum or plasma for testing
Term
Newborns and infants are also more susceptible to infection because of their
Definition
immaturity of their immune system
Term
Prolonged crying also affects the
Definition
white blood cell count and pH level of the blood; therefore a calm experience ensures accurate test results
Term
Newborns may be identified only by there last name such as "Baby Boy (or Girl) Smith Always use the
Definition
hospital ID number , not the name as the ultimate proof of ID.
Term
Be especially careful when identifying twins who are likely to have
Definition
similar names and ID numbers
Term
EMLA a topical anesthetic cream must be applied ________ minutes before the draw
Definition
60 minutes. It can take up to 30 minutes to work. Anesthetic is not recommended for PKU testing
Term
________is a substance produced by the normal breakdown of RBCs
Definition
bilirubin
Term
when bilirubin is slightly above normal in a newborn a ____ _______can be used for treatment
Definition
Bili Light
Term
Higher levels of bilirubin, or levels that are rising rapidly require a ________ ___________
Definition
blood transfusion
Term
Bilirubin is _______ ________. Bili lights must be turned off during collection
Definition
light sensitive. The specimen should be shielded from light using an amber-colored container, foil or heavy paper to cover the container
Term
____________ of the specimen falsely lowers the results, so precautions against this must be taken
Definition
Hemolysis
Term
Neonatal screening test are used to detect inherited ___________ _____________ that cause severe brain damage.
Definition
metabolic disorders
Term
U.S. law mandates screening for ________ and __________
Definition
hypothyroidism and PKU
Term
Other neonatal screening test include __________, ____________, __________, and ______________
Definition
galactosemia, homocystinuria, maple syrup disease, biotinidase deficiency
Term
how to collect a sample for a neonatal screening through routine heel stick
Definition
first perform a routine heel stick
wipe away first drop of blood
apply one large drop of blood directly to the circle
drop must be spread evenly
Although applied to only one side of filter paper, blood should be visible from both sides
air day specimen in horizontal position
keep away from direct sunlight and at room temperature until it can be delivered to lab
Term
when a larger volume of blood is required blood can be collected from newborns or children younger than 2 by
Definition
venipuncture of the dorsal hand veins
Term
What are some physical changes that occur as we age
Definition
skin becomes less elastic, amount of collagen in the skin is reduced, layers of skin become thinner,. Bruising is more likely and it takes longer to replace cells, so longer healing time is needed.
Term
_________ are often closer to the skin in geriatric patients
Definition
Arteries
Term
Many patients may be on anticoagulant therapy for previous heart attacks and strokes. Be aware of this possibility especially because the delay in ________ __________
Definition
clotting time. These patients have an increased risk of hematomas
Term
Patients in the ICU or ER are likely to have some type of _________ __________ __________
Definition
vascular access device (VAD). A VAD is a tube that is inserted into either a vein or an artery and used to administer fluids and medications, monitor blood pressure, or draw blood.
Term
A central venous catheter (CVC) also called a ________ _______ _________
Definition
central venous line.A Central venous line is the most common type of VAD. Central refers to the large veins emptying into the heart, into which the CVC is inserted.
Term
Types of central venous catheters include ________, _________, ____________ and ______________
Definition
Broviac, Groshong, Hickman and triple luman
Term
An implanted port is a chamber located under the skin and connected to an
Definition
indwelling line
Term
A ____________ ______________ __________ ____________ is threaded into a central vein after insertion into a peripheral (noncentral) vein usually the basilic or cephalic, accessed from the antecubital area
Definition
peripherally inserted central catheter (PICC) line commonly used for angioplasty proceduresin which the lumen of a obstructed central vein is rewidened
Term
An arterial line is placed in an artery for continous monitoring of
Definition
blood pressure or frequent collection of samples for blood gas testing
Term
A heparin lock or a saline lock is
Definition
a tube temporarily placed in a peripheral vein to administer medication or draw blood
Term
An arteriovenous (AV) shunt
Definition
is an artificial connect between and artery and a vein it is used for dialysis only
Term
External (AV) shunt
Definition
consist of a cannula with a rubber septum
through which a needle may be inserted for blood draw.
Term
An internal (AV) shunt consist of
Definition
fistula, or permanent internal connection between the artery and the vein using the patients tissue, a piece of bovine tissue or a synthetic tube
Term
VADs are periodically flushed with _________ to keep the line open
Definition
heparin
Term
The order of draw when drawing from a vascular access device (VAD)
Definition
blood cultures, anticoagulation tubes, and then clotted tubes
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