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BCH Test 3 Review
Question | Answer |
---|---|
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) |