UCLA PHLEBOTOMY EXAM 3 4 FINAL
BUNDLED EXAMS 2026 COMPLETE
QUESTIONS AND VERIFIED ANSWERS 100%
CORRECT GRADED A+
◉ capillary blood differs from venous blood Answer: glucose and total
protein levels are higher in capillary
calcium and potassium are higher in venous blood
◉ capillary blood is primary made up of what? Answer: arterial blood
because arterial blood enters capillaries with more pressure
◉ interstitial fluid Answer: fluid in tissue spaces
◉ intracellular fluid Answer: fluid within cells
◉ what are the reasons for dermal punctures Answer: -used for children
under the age of 2
-extreme obese patients
-patients with fragile/difficult veins
-patients dehydrated (anorexia)
-patients with burns or who require frequent blood tests
-patients that take blood thinners (warrfrin, diabetics)
-IV in both arms
,-veins reserved for intravenous therapy or chemo
-POC
◉ POC Answer: point of care testing
-most common= glucose test
◉ how much total blood volume of an infant is used in 10 mL tubes
Answer: 5-10%
◉ when dermal puncture is inappropriate Answer: -patients that are
severely dehydrated
-poor circulation
-when a specimen requires plasma
-when you need large amounts of blood
◉ dermal puncture equipment Answer: -slides(PRN)
-lancets
-mircrotubes (PRN)
usual PPE
◉ three types of dermal puncture devices Answer: laser, puncture,
lancets
, ◉ dermal puncture device Answer: used for fingers where repeated
punctures are performed
◉ lancets Answer: used for infants heel sticks, it slices thru the capillary
bed making it less painful and require fewer repeat punctures and shorter
collection time
◉ order of draw for capillary punctures (clsi) Answer: -arterial blood
gas (ABG)
-EDTA
-other additives
-serum specimens
◉ osteomyelitis Answer: can happen if you puncture the bone during
collection, inflammation of the bone
◉ dermal puncture site selection Answer: -puncture the 3rd and 4th
fingers at the tip on the fleshy pad
-use the heel of children under 2
-should be free of scars, bruises, rashes
-swollen areas are avoided
-use a warm pink site
-warm skin prior (PRN)
BUNDLED EXAMS 2026 COMPLETE
QUESTIONS AND VERIFIED ANSWERS 100%
CORRECT GRADED A+
◉ capillary blood differs from venous blood Answer: glucose and total
protein levels are higher in capillary
calcium and potassium are higher in venous blood
◉ capillary blood is primary made up of what? Answer: arterial blood
because arterial blood enters capillaries with more pressure
◉ interstitial fluid Answer: fluid in tissue spaces
◉ intracellular fluid Answer: fluid within cells
◉ what are the reasons for dermal punctures Answer: -used for children
under the age of 2
-extreme obese patients
-patients with fragile/difficult veins
-patients dehydrated (anorexia)
-patients with burns or who require frequent blood tests
-patients that take blood thinners (warrfrin, diabetics)
-IV in both arms
,-veins reserved for intravenous therapy or chemo
-POC
◉ POC Answer: point of care testing
-most common= glucose test
◉ how much total blood volume of an infant is used in 10 mL tubes
Answer: 5-10%
◉ when dermal puncture is inappropriate Answer: -patients that are
severely dehydrated
-poor circulation
-when a specimen requires plasma
-when you need large amounts of blood
◉ dermal puncture equipment Answer: -slides(PRN)
-lancets
-mircrotubes (PRN)
usual PPE
◉ three types of dermal puncture devices Answer: laser, puncture,
lancets
, ◉ dermal puncture device Answer: used for fingers where repeated
punctures are performed
◉ lancets Answer: used for infants heel sticks, it slices thru the capillary
bed making it less painful and require fewer repeat punctures and shorter
collection time
◉ order of draw for capillary punctures (clsi) Answer: -arterial blood
gas (ABG)
-EDTA
-other additives
-serum specimens
◉ osteomyelitis Answer: can happen if you puncture the bone during
collection, inflammation of the bone
◉ dermal puncture site selection Answer: -puncture the 3rd and 4th
fingers at the tip on the fleshy pad
-use the heel of children under 2
-should be free of scars, bruises, rashes
-swollen areas are avoided
-use a warm pink site
-warm skin prior (PRN)
