Capillary Blood Sampling Devices Quiz and Flashcards

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Questions and Answers

Match the following steps with their purposes in capillary blood collection:

STEP 1 = Increase arterial blood flow STEP 8 = Clean and air-dry the site STEP 11 = Fill and mix tubes STEP 15 = Check the site and apply bandage

Match the following techniques with their purposes in capillary blood collection:

Milking = Causes hemolysis Puncture the site = Collect blood sample Wipe the first drop of blood = Remove contaminated tissue fluids Elevate the incision site = Diminish blood flow

Match the following equipment with their uses in capillary blood collection:

Lancet = Make a puncture in the skin Gauze = Apply pressure to the incision site Antiseptics = Clean the site Bandage = Dress the wound

Match the following steps with their importance in capillary blood collection:

STEP 12 = Prevents platelet accumulation at the site of wound STEP 10 = Quick and deep puncture ensures accurate results STEP 9 = Preparation of equipment is crucial STEP 17 = Transporting specimen to the laboratory is critical Signup and view all the answers

Match the following techniques with their effects on blood composition:

Milking = Alters blood composition Puncture the site = No effect on blood composition Wipe the first drop of blood = No effect on blood composition Elevate the incision site = No effect on blood composition Signup and view all the answers

Match the following sites with their hold techniques in capillary blood collection:

Heel = Hold between thumb and index finger Finger = Hold between nondominant thumb and index finger Palmar surface = Face upward and point downward Arch = Not a puncture site Signup and view all the answers

Match the following components of capillary blood specimen with their characteristics:

Arterial blood = Bright red, oxygenated Venous blood = Dark red, deoxygenated Interstitial fluid = Fills spaces around the cells Intracellular fluid = Facilitates fluid movement in membrane Signup and view all the answers

Match the following situations with when capillary puncture is the method of choice:

Infants and children below 2 y/o = Primary choice Burned or scar patients = Alternative method Patients with thrombotic tendencies = Alternative method Patients requiring large blood volumes = Not recommended Signup and view all the answers

Match the following blood tests with why capillary puncture is not recommended:

Erythrocyte Sedimentation Rate = Requires large amount of blood Blood cultures = Prone to bacterial contamination Coagulation tests = Requires specific blood-to-anticoagulant ratio Glucose testing = Can be used with capillary puncture Signup and view all the answers

Match the following conditions with when capillary puncture is used in adults:

Inaccessible veins = Capillary puncture is used Fragile veins = Capillary puncture is used Apprehensive patients = Capillary puncture is used All patients = Not the primary method Signup and view all the answers

Match the following characteristics with the type of blood sample:

Higher glucose levels = Capillary blood Lower glucose levels = Venous blood More arterial blood = Capillary blood More venous blood = Venous blood Signup and view all the answers

Match the following medical conditions with why capillary puncture is used:

Obese patients = Difficult venous access Geriatric patients = Fragile veins Patients receiving chemotherapy = Fragile veins Diabetic patients = Home glucose monitoring Signup and view all the answers

Match the following components with their typical levels in capillary blood:

Potassium = Lower than venous blood Total Protein = Lower than venous blood Calcium = Lower than venous blood Glucose = Higher than venous blood Signup and view all the answers

Match the following types of lancets with their characteristics:

Sterile lancet = Intended for one-time use only Laser lancet = Produces a small hole in the skin by vaporizing water Reusable lancet = Can be used multiple times with proper sterilization Automatic lancet = Eliminates the risk of sharp injury Signup and view all the answers

Match the following microsample containers with their capacities:

Microcollection tubes (Microtubes) = Up to 600 uL Capillary tubes (Microhematocrit tubes) = Approx. 50-75 uL Microscope slides = Up to 100 uL Warming devices = None of the above Signup and view all the answers

Match the following capillary blood collection techniques with their purposes:

Laser lancet = Collects up to 100uL of blood Microhematocrit test = Determines blood's microhematocrit value Microscope slides = Used for blood films/smears for hematology/parasitology Warming devices = Increases blood flow by 7 folds Signup and view all the answers

Match the following coagulation tests with their respective additives:

Plain capillary tube = Used with pre-collected EDTA blood Heparinized capillary tube = Used with Heparin as an anticoagulant Microcollection tubes = Used with additives for hematology/parasitology Microscope slides = Used with no additives for blood films/smears Signup and view all the answers

Match the following additional supplies with their purposes:

Microscope slides = Used for blood films/smears for hematology/parasitology Warming devices = Increases blood flow by 7 folds Laser lancet = Collects up to 100uL of blood Microcollection tubes = Used to hold blood specimen up to 600 uL Signup and view all the answers

Flashcards

Capillary Puncture

Uses a lancet to make a small incision into the capillary bed of the skin to obtain a small volume of blood specimen.

Lancets

Sterile, sharp instruments intended for one-time use to puncture skin.