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BCH Test 3 Review

QuestionAnswer
A glucose tolerance test is performed to diagnose or evaluate what... - Diabetes Mellitus (DM) - Hypoglycemia
Peak and trough levels are collected to monitor what... Therapeutic drug levels
Blood cultures are performed to detect the presence of... Septicemia
The important consideration when collecting a blood culture is... Aseptic Technique
Samples for which of the following should be protected from light... - Beta-carotene - Bilirubin - Vitamin A
Chain of custody refers to the... Documentation of sample handling for legal samples
Samples for cold agglutinins must be... Kept warm
Select the response that list the major steps of the two hour oral glucose tolerance test (OGTT)... - A fasting glucose sample is collected - Patient drinks 75-g glucose solution within 5 minutes - Patient returns for additional glucose test in 2 hours
To ensure patient safety and medication effectiveness, the blood levels of many therapeutic drugs are monitored. The samples that are typically drawn to do this are..... A trough level drawn before the next scheduled dose is given and a peak level drawn after the dose is given
The artery located on the thumb side of the wrist is called the... Radial Artery
A large artery located near the basilica vein and the median nerve is the... Brachial artery
The artery of choice for collecting arterial samples is the... Radial artery
When performing an arterial puncture, the needle is inserted... - Bevel up at a 30-45 degree angle
A blood collector would be most likely to perform an accidental arterial puncture when attempting to puncture the... Basilic Vein
Dermal puncture is preferred over vein puncture in infants because... - Superficial veins may not be large enough - Collecting from deep veins is dangerous - Restraining the child can cause injury
Collection of excess blood from a premature infant can cause... Anemia
Warming the site of a dermal puncture will... Increase the flow of arterial blood to the site
The depth of the dermal puncture must be controlled to... To prevent contact with the bone
Which of the following are micro sample containers... - Heparin capillary tubes - Microtainer tubes - Micropipettes
The calcaneus is located at.. The posterior of the heel
Capillary punctures on newborns are performed on the... Plantar area of the heel
Failure to puncture across the fingerprint during a finger puncture will cause... Blood to run down the finger
Following a dermal puncture the blood collector should first... Wipe away the first drop of blood
During dermal puncture the first drop of blood is wiped away because... It may be diluted with tissue fluid
The presents of air bubbles will most seriously effect a... Blood gas collected in a micropipette
Vigorous massaging of the area during dermal puncture will result in... Sample contamination by tissue fluid
Excessive squeezing of a dermal puncture site can cause which of the following... - Bruising of the area - Tissue fluid contamination - Hemolysis
Reasons for selecting the fleshy areas located near the center of the 3rd and 4th (Middle and Ring) fingers on the Palmer side of the non-dominant hand as preferred sites for the finger puncture include which of the following: - There is decreased tissue in the fifth (Pinky) finger - Calluses may be present on the thumb - The first (Index) finger naturally increased nerve endings
The Laws in the US states that required testing for which of the following diseases in newborns using a heel stick sample... - Galactosemia - Congenital Hypothyroidism - Phenylketonuria (PKU)
Created by: Edavid88