Module 5 Flashcards
Refers to values which patient results are compared to
Reference range
The resting metabolic state of the body early in the morning after fasting for approximately 12 hours
Basal state
RBC and WBC values – normally ___ among newborns than in adults
Higher
Kidney functions ___ with age
Decrease
Test results for some blood analytes show significant variation at ___ elevations compared with results at ___
Higher; sea level
3 analytes which increases with high altitude
- RBC count
- Hemoglobin and Hematocrit levels
- Uric acid
Analytes that decrease with high altitude
- Urinary creatinine
- Plasma renin
Dehydration may happen with persistent vomiting or diarrhea, which causes ___
Hemoconcentration
Condition in which blood components that cannot easily leave the bloodstream become concentrated in the smaller plasma volume
Hemoconcentration
Analytes that increase during dehydration
- RBC
- Enzyme
- Iron
- Calcium
- Sodium
- Coagulation factors (clotting factors)
Dehydrated patients may not accurately reflect the patient’s ___ status
Normal
It is often difficult to obtain ___ specimens from dehydrated patients
Blood
T of F
Diet can alter blood analyte
True
Fasting: Strictly no ingestion of food approximately ___
8-12 hours overnight
- Fasting beyond 12 hours
- Can cause serious health problems
Overfasting
T or F
Patients who fasted beyond 12 hours can be accepted for testing that requires fasting
False
May be elevated in patients on high-protein diets
Ammonia, urea, and uric acid levels
Increases with the consumption of beverages containing caffeine
Cortisol and Adrenocorticotropic hormone (ACTH) levels
Increase dramatically with the ingestion of carbohydrates
Glucose (blood sugar) levels
Glucose levels return to normal within ___ (time) if the patient has normal glucose metabolism
2 hours