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36 terms

Lab Skills Quiz 3 pt 2

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bacteremia
presence of organisms in normally sterile blood.
blood cultures
ordered in sets of two, one bottle is blue, aerobic (with air) and one bottle is red, anaerobic (without air)
common pathogens
bacteria, viruses, fungi and protozoa
8-10 mls
recommended adult blood culture volumes
2.5-10 mls
recommended pediatric blood culture volumes
0.5-1 mls
recommended infants blood culture volumes
betadine and chloraprep
used for normal cleansing process for blood cultures for one full minute
24-72 hrs
cultures usually take how long to incubate and grow
clinical chemistry testing
measures levels of substances found normally in the human blood that have biological functions, measures non functional waste products, substances that indicate cell damage or disease, measures drugs or toxins
blood urea nitrogen
BUN
analytes
types of specimens used for chemical analysis
serum
most common specimen, collected in a tube with no anticoagulant, so that it clots
common specimens
whole blood, serum, urine and plasma
lipema
serum or plasma appears milky, result of eating fatty foods
normal or reference value
range of normal values for a particular chemistry test from healthy individuals
chemistry panel grouping
some tests are bundled according to the system or organ targeted
proteins
commonly performed test, essential components of cells and body fluids. Some made by body, others acquired from diet. provides info about hydration, nutrition and liver function.
electrolytes
aka lytes, Na, K+, Cl and bicarbonate. important in transporting of substances into and out of cells
minerals
used in coagulation and muscle contraction
hypercalcemia
the presence of abnormally high levels of calcium in the blood, occurs in parathyroidism, bone cancer, hormone disorders
hypocalcemia
abnormally low level of calcium in the blood, can cause tetany, occurs in hypothyroidism, Vitamin D decrease kidney disease
BUN
surplus amino acid that is converted to urea and is excreted by the kidneys as a waste product, influenced by diet and hormones
uric acid
formed from broken down nucleic acids and excreted as a waste product of the kidneys
Liver function test, LFT
measurements of liver enzymes and other substances in the blood, a group of tests to show how well your liver is performing
bilirubin
waste product of hgb breakdown
liver enzymes
levels increase following damage to liver tissue
creatine kinase
CK, widely used in diagnosis and monitoring heart attacks
troponin
only present in heart muscle, making it a more accurate indicator of MI than CK
LDL
Bad cholesterol
HDL
good cholesterol
Lipid Metabolism test
measures level of cholesterol, 200mg/dl is normal adult average
thyroid function test
(TFT), blood test used to measure the levels of T3, T4, and TSH in the bloodstream to assist in determining thyroid function.
drug testing
always use a plain red, could get caught up in gel
lactic acid
when testing, never use a tourniquet, always put sample on ice.
70-120
normal sugar rating
BMP
basic metabolic panel