NHCO Phlebotomy Exam 2024 Allpass
Endocardium is which layer of the heart? - ANSWER>>inner layer
Which layer of the heart is the epicardium? - ANSWER>>Outer layer
What kind of blood do arteries and arterioles carry? - ANSWER>>oxygenated
blood
What percentage of formed elements are erythrocytes, Leukocytes,
Thrombocytes? - ANSWER>>45%
Where do blood cells originate? - ANSWER>>Bone Marrow
What is the normal life span of an RBC? - ANSWER>>120 days
What is the function of a leukocyte? - ANSWER>>Protect from infection
20%-40% of WBC are comprised of? - ANSWER>>Lymphocytes
Which WBC carries histamine? - ANSWER>>Basophils
Another name for thrombocytes is? - ANSWER>>Platelets
Hemostasis is defined as ? - ANSWER>>Stoppage of blood
The first phase of hemostasis is? - ANSWER>>Vascular stage
The test used to evaluate intrinsic pathway is called ? - ANSWER>>aPTT
, The break down and removal of a temporary clot in the hemostasis process is
______________. - ANSWER>>Fibrinolysis
What is the preferred site for venipuncture? - ANSWER>>Antecubital fossa
Sclerosed veins feel? - ANSWER>>Cordlike
Potassium (K) EDTA binds to what element in the blood - ANSWER>>Calcium
What is the preferred antiseptic for venipuncture? - ANSWER>>Isopropyl alcohol
(70%)
What is the size (in inches) of the needle routinely used for venipuncture? -
ANSWER>>1-1.25
What is another name for winged infusion sets? - ANSWER>>Butterfly
Which is NOT a reason the tourniquet is used - ANSWER>>To make veins blue.
The two circulations of the heart are? - ANSWER>>pulmonary and systemic
The most common complication of phlebotomy. - ANSWER>>Hematoma
(bruising)
Leaving the tourniquet on too long may cause _________? -
ANSWER>>hemoconcentration
Tiny red spots on the skin cause from the rupturing of capillaries are called
_____________. - ANSWER>>Petechiae
The proper way to dispose of a needle is to: - ANSWER>>Put it into a sharps
container, without recapping, immediately after withdrawing it
Endocardium is which layer of the heart? - ANSWER>>inner layer
Which layer of the heart is the epicardium? - ANSWER>>Outer layer
What kind of blood do arteries and arterioles carry? - ANSWER>>oxygenated
blood
What percentage of formed elements are erythrocytes, Leukocytes,
Thrombocytes? - ANSWER>>45%
Where do blood cells originate? - ANSWER>>Bone Marrow
What is the normal life span of an RBC? - ANSWER>>120 days
What is the function of a leukocyte? - ANSWER>>Protect from infection
20%-40% of WBC are comprised of? - ANSWER>>Lymphocytes
Which WBC carries histamine? - ANSWER>>Basophils
Another name for thrombocytes is? - ANSWER>>Platelets
Hemostasis is defined as ? - ANSWER>>Stoppage of blood
The first phase of hemostasis is? - ANSWER>>Vascular stage
The test used to evaluate intrinsic pathway is called ? - ANSWER>>aPTT
, The break down and removal of a temporary clot in the hemostasis process is
______________. - ANSWER>>Fibrinolysis
What is the preferred site for venipuncture? - ANSWER>>Antecubital fossa
Sclerosed veins feel? - ANSWER>>Cordlike
Potassium (K) EDTA binds to what element in the blood - ANSWER>>Calcium
What is the preferred antiseptic for venipuncture? - ANSWER>>Isopropyl alcohol
(70%)
What is the size (in inches) of the needle routinely used for venipuncture? -
ANSWER>>1-1.25
What is another name for winged infusion sets? - ANSWER>>Butterfly
Which is NOT a reason the tourniquet is used - ANSWER>>To make veins blue.
The two circulations of the heart are? - ANSWER>>pulmonary and systemic
The most common complication of phlebotomy. - ANSWER>>Hematoma
(bruising)
Leaving the tourniquet on too long may cause _________? -
ANSWER>>hemoconcentration
Tiny red spots on the skin cause from the rupturing of capillaries are called
_____________. - ANSWER>>Petechiae
The proper way to dispose of a needle is to: - ANSWER>>Put it into a sharps
container, without recapping, immediately after withdrawing it
