Clinical Chemistry Flashcards
clinical chemistry is also known
clinical biochemistry, chemical pathology, medical biochemistry, or pure blood chemistry
are of pathology that is concerned with the quantitative analysis of substances found in the blood or serum
clinical chemistry
which other fluids are also analyzed in clinical chemistry
urine, spinal fluid, and pleural fluid
substance for which analyses are performed
analyte
groups of individual tests are called
panels
provides a broad database, demonstrating multisystemic involvements
panels
most tested body fluid
serum or plasma
how many kinds of test does large laboratories accept
up to 700
study of hormones
endocrinology
study of immune system and antibodies
immunology
study of drugs
pharmacology or toxicology
what solutes are found in the liquid portion of the blood that is responsible for 5% of its composition
proteins, carbohydrates, hormones, vitamins, enzymes, electrolytes
state of the art fully automated facility and also busiest
clinical chemistry
duties or tests performed in clinical laboratory
Fasting Blood Sugar
HBA1c
Lipid Profile
TAG
BUA
Creatinine
Total Protein
Albumin: Globulin ratio
Electrolytes
Clinical Enzymology
TSH, T3 and T4
Estrogen, Prolactin, Testerone
used to detect diabetes, measures glucose and the patient must have undergone fasting
Fasting Blood Sugar
HBA1c is also known as
glycosylated hemoglobin
measure glucose levels for the past 3 months
HBA1c
what do we measure in Lipid Profile
Total Cholesterol, Low Density Lipoprotein, Very Low Density Lipoprotein, High Density Lipoprotein
TAG stands for
triglycerides
BUA stands for
Blood Uric Acid
BUN stands for
Blood Urea Nitrogen
Creatinine tests
creatine
Electrolytes
Na, K+, Cl-
clinical enzymology tests
enzymes
hormones tested in clinical chem
Thyroid Stimulating Hormone (TSH)
Triodo Thyronine (T3)
Thyroxine (T4)
Estrogen, Prolactin, Testosterone
3 principles in automation
Continous Flow Analyzer
Discrete Analysis
Centrifugal Analysis
in continous flow analyzers, samples flow through what?
a common vessel/pathway
in continous flow analyzers, liquids are pumped through a system of
continous tubing
in continous flow analyzers, this serves as seperating and cleansing media
air bubbles
in discrete analysis, each sample reagent mixture is handled seperately in its?
own vessel
in discrete analysis, it uses a variety of what to aspirate and dispense 2-6 microliters of samples and reagents
syringe pipettes
discrete analysis is capable of running
multiple tests one sample at a time
in centrifugal analysis, which force is used
centrifugation
centrifugal analysis is used to?
transfer specimen and reagents
major advantage of centrifuge
batch analysis
kinds of centrifuges
horizontal, angle head, cytocentrifuge, ultracentrifuge
most commonly used centrifuge used in clinical chemistry
horizontal and angle head
swinging bucket centrifuge
horizontal
fixed angle centrifuge
angle head
concentrates cells in body fluids
cytocentrifuge
seperate liproteins
ultracentrifuge
Water Reagents
Type I,II,III
Type I water reagents is also known as
highest purity or ultrapure water
Type II water reagents is used in?
Clinical Chem, Microbio, Blood bank, serology
Type 3 is used in?
urinalysis and fecalysis, parasit and histopath
Carbohydrates empiric formula
CH2O
Major source of energy and storage of energy
glucose or glycogen
carbs that are the components of cell membranes
glycoproteins
examples of carbs that are structural components of plants, bacteria and insects
chitin, cellulose
Classifications of carbs
Mono, Disa, Oligo, Polysaccharides
Simplest form of carbs
Monosaccharides
examples of monosaccharides
glucose, fructose, galactose
2 sugar units bonded by? and what do you call them
glycoside bond, disaccharides
examples of disaccharides
sucrose lactose maltose
how many sugar units are in oligosaccharides
3-10 sugar units
more than 10 sugar units
polysaccharides
examples of polysaccharides
starch glycogen and cellulose
pathways of glucose metabolism
glycolysis
glucogenesis
glycogenolysis
glycogenesis
lipogenesis
lipilysis
2-3 carbon compund that generates energy, a cytoplasmic pathway which breaks down glucose into two three-carbon compounds and generates energy (atp)
glycolysis
which enzyme helps in glycolysis
hexokinase
formation of glucose from non carbs sources
gluconeogenesis
glycogen to glucose
glycogenolysis
glucose to glycogen
glycogenesis
carb to fats
lipogenesis
decomposition of fats
lipilysis
hormones that regulates CHO metabolism
insulin and glucagon
decreases blood sugar level
insulin
increases blood sugar level
glucagon
insulin is produced in
beta cells of islets of langerhans in pancreas
glucagon is produced in
alpha cells of islets of langerhans in pancreas
types of diabetes
type 1, type 2, gestational diabetes
type of diabetes that is hereditary
type 1
type of diabetes that is caused by overproduction of insulin
type 2
other name of type 1 diabetes
juvenile onset diabetes/ insulin dependent diabetes
found in children diabetes
juvenile diabetes
what destroys the antibodies found in the pancreas in type 1 diabetes?
insulin auto antibodies
other name for type 2 diabetes
adult onset diabetes, non-insulin dependent diabetes
progressive insulin deficiency and insulin resistance
type 2 diabetes
glucose intolerance during pregnancy
gestational diabetes
used to monitor or screen your risk of cardiovascular disease, measures your cholesterol level and triglycerides
lipid profile/ panel
five different types of lipid tested in lipid profile
total cholesterol, LDL, VLDL, HDL, triglycerides
overall cholesterol level
total cholesterol
LDL type of cholesterol also known as
bad cholesterol
lipid found in foods that is recently eaten
VLDL
HDL is known as
good cholesterol
type of fat from the food we ear
triglycerides
adult treatment panel for HDL
<40 mg/dl high risk of cvi
>= mg/dl low risk of cvi
Adult treatment panel for ldl
<100 optimal
100-129 near optimal
130-159 borderline high
160-189 high
>= 190 very high
Proteins empiric formula
CHON
linear polymer of amino acids
proteins
functions of proteins
regulate metabolism
facilitate contraction of muscle
provide structural framework
shuttle molecules in the blood stream
components of the immune system
proteins that facilitate contraction of muscle
actin and myosin
proteins that provide structural framework
collagen
example of molecules that proteins transport
bilirubin
proteins found in the immune system
antibodies, immunoglobin, complement proteins
proteins are synthesized in?
liver
proteins not produced in liver
gammaglobines, immunoglobines produced in plasma cells from b cell lymphocytes
precursor of fibrin, factor I
fibrinogen
prealbumin is also known as
transthyretin
protein that indicates malnutrition
prealbumin
protein in the muscles of the heart
troponin
proteins in the muscle and skeletal
myoglobin
transport protein for hemoglobin
haptoglobin
transport protein for copper
ceruloplasmin
transport protein for heme
hemopexin
end products of protein metabolism, must be removed from the body
non protein nitrogen
4 non protein nitrogen
urea, uric acid, creatinine/creatine, ammonia
npn highest concentration in the body
urea (blood urea nitrogen)
measuring of BUN helps us evaluate
renal function and renal diseases
renal means
kidney
urea is filtered in the?
kidney
increased amount of urea in blood
azotemia
increased urea in blood plus renal failure
uremia/ uremic syndrome
uric acid is also known as
blood uric acid
product of catabolism of urine nucleic acid
uric acid
measurement of uric acid helps us determine?
gout/ gouty arthritis and lesh nyhan syndrome
increased of uric acid in blood results in?
crystalization
crystalization of uric acid in blood causes?
gouty arthritis and lesh nyhan syndrome
creatinine is a waste product of what?
muscles
best marker for kidnet function
creatinine
increased creatinine in blood
abnormal renal function, muscular dystrophy
formed the deamination of amino acids protein metabolism
ammonia
measurement of ammonia evaluates
hepatic system (liver)
increased ammonia in blood is
reye’s syndrome
proteins that help speed up chemical reactions (catalase)
enzymes
a broad group of enzymes that catalyze electron transfer from one molecule to another
oxidoreductases
oxidoreductase examples
lactate dehydrogenase
glucose 6 phosphate dehydrogenase
glutamate dehydrogenase
enzymes that catalyze the transfer of a group of atoms
transferases
examples of transferases
alanine aminotransferase (liver)
aspartate aminotransferase (heart)
creatine kinase (muscles)
gamma glutamyl transferase
glutathione transferase
glycogen phosphorase
pyruvate kinase
a class of enzyme that commonly perform as biochemical catalysts that use water to break a chemical bond,
hydrolase
hydrolase example
alkaline phosphatase
acid phophatase
amylase (saliva)
cholinesterase
chymotrypsin
elastase 1
5-nucleotidase
triacyl glycerol lipase
trypsin
an enzyme that catalyzes the joining of specified molecules or groups by a double bond.
lyases
lyases example
aldolase
catalyze changes within one molecule
triosephosphate isomerase
enzymes that catalyze the formation of chemical bonds
ligases
ligases example
glutathione synthetase
made during the normal process of breakind down rbc, yellowish substance found in bile, fluid in your liver
bilirubin
life span of rbc
120 days
it is where rbc is destroyed
reticulo endothelial system
destroys or eats dead cells and debris (phagocytize)
macrophage
liver macrophage
kupffer cells
spleen macrophage
microglial cells
hemoglobin when destroyed transforms to
bilirubin
yellow discoloration in the skin is caused by
increased bilirubin
jaundice indicates
liver failure and hepatitis
minerals in the blood
electrolytes
postively charged and negatively charged electrolyte
cation and anion
most abundant cation in the plasma
sodium
excess and less sodium in the blood
hyper and hyponatremia
major intracellular cation inside the cell
potassium
increased and less potassium
hyper and hypokalemia
major extracellular anion
chloride
excess and less chloride
hyper and hypochloremia
other electrolytes
magnesium, bicarbonate, phosphate