LAB TESTS
In CBC.... elevated with concern for infection
WBC
General defense - Does not target one specific germ
Non-Specific Immunity
NERVOUS SYSTEM
When is the best time to get a URINE pregnancy test AND why?!?!?!?!?!?!
First thing in the AM - most concentrated
This organ must be punctured to access and vein during venipuncture.
Skin
Dark red blood - evaluating resp system
Venous Blood Gas (VBG)
Body's main source of energy
Glucose
CVA - cerebrovascular accident
What is occult blood testing?
Hidden blood - cannot be seen with the naked eye
During capillary puncture, the first drop of blood is usually wiped away because it may contain this type of fluid from the surrounding tissues
Tissue fluid (interstitial fluid)
This POC test can be done on women concerned for pregnancy (medical term)
HCG
Damaged muscle tissue breaks down rapidly and releases proteins and electrolytes into the bloodstream
Rhabdomyolysis
Bring oxygen into our body and eliminate carbon dioxide
Respiratory system
Patients may be required to avoid food and drinks for 8-12 hours before certain blood tests.
Fasting - NPO
Applying a tourniquet causes these blood vessels to become more prominent and easier to palpate
Veins
Three main lab values in a renal panel
BUN, Creatinine, GFR
Clear fluid that carries immune cells and helps remove waste and foreign substances
Lymph fluid
Filters blood, removes wastes and excess water
Urinary System
During venipuncture, a patient reports a sudden "electric shock" sensation down the arm. The needle may have contacted this body structure
Nerve
A patient who becomes pale, dizzy, and briefly loses consciousness during a blood draw may be experiencing this
Syncope
ESR - Erythrocyte sedimentation rate
Chemical substances created by body that controls body functions
HORMONES
Produces sperm and testosterone
Male reproductive system
This hormone, released by the adrenal glands during stress, can cause an increase in blood glucose levels.
Cortisol
This condition occurs when the body tissues do not receive enough oxygen and may affect gas results
Hypoxia