tiny tube-shaped particles made up of white blood cells, red blood cells or kidney cells. They form in kidney structures called tubules
They study of blood and it's components
The passage of blood in the feces
abnormal condition of blood in the urine
dark, tarry stool due to upper GI bleed
presence of substance in urine.
How much urin does a the body excrete in a 24 hours?
1,000 - 1,500 mLs every 24 hours. A normal adult excretes 1,200mL every 24 hours.
When collecting an urine specimen ambulatory patients can...
void directly into specimen container.
What does the patient use to clean their genitalia?
A mild antiseptic towelette or swab.
What is a specific gravity test?
the weight of urine as compared to the weight of water to determine the diluting and cancentrating ability of the kidney.
What is the noramal range for a specific gravity test?
What is a normal range for glucose (sugar values) in the urine?
Normal range- negative sugar levels
How must a stool spample be sent to the lab?
It must be sent immediately with a completed request form and it its been tested for parasites it must be sent warm.
What is a hemoccult (guaiac) slide used for?
It is used to test for blood in the stool.
When do you collect a throat culture?
Sore throat accompanied by a fever or enlarged tonsils with white spots, pus or swollen cervical lymph nodes.
How do you performe a throat culture?
1. Ask the patient to tip the head back slighly and open their mouth wide.
2. Insert swab into throat and rotate it slightly around tonsil area and the back wall. Touching only areas of exudate or areas of inflammation
3. Place the swab into the culture tube without touching any other surface
4.Squeeze the ampule (if applicable) in the bottom of the culture tube to release the preservative solution
What are secretions from the respiratory tract examined for?
Bacteria and abnormal cell structure
Why do you have patients rinse with water before collecting a expectorate specimen?
Because is is easier to expctorate with moist mucous membranse and it reduces specimen contamination by oral bacteria and food particles.
What must be on a specimen lable?
1. Patient's name
2. Socail Security Number
3. Rank/rate or dependant status
4. Branch of service, active duty or retired.
What instructions are give to a patient for collecting a sputum specimen?
1. Have patient rinse with water
2. instruct patient to take several deep breaths
3. cough deeply from the chest
4. collect at least 15mL of specimen.
space located at the bend of the elbow
substance that hinders the blotting of blood
disposable plastic barrel or sleeve that connect the vacutainer needle to the celected vacutainer tube.
puncture of the vein with a needle.
What is the most common venipuncture site?
The antecubital space.
When collecting a blood gluous from a infant where do you stick them?
How long do you hold pressure of a puncture site?
Until the bleeding stops.
When perfoming a venipuncture how do you advance the needle into the patient's arm?
Bevel up needle point up at a 30 degree angle.
How does a hematoma develope?
Blood leaks into the surrounding tissue
What can cause a hematoma?
1. the needle goes completely through the vein
2. the bevel of the needle is only parially in the vein
3. there is insufficient direct pressure on a puncture site after the needle is removed.