MEDCA Test Questions with Correct Answers 2024 New Update
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Course
MEDCA
Institution
MEDCA
MEDCA Test Questions with Correct Answers 2024 New Update
What helps with the regulation of blood cells? - Answer-liver, spleen, lymph nodes
The formation of blood cells starts in the bone marrow as - Answer-stem cells
Plasma makes up what percentage of the blood? - Answer-55%
The blood...
MEDCA Test Questions with Correct
Answers 2024 New Update
What helps with the regulation of blood cells? - Answer-liver, spleen, lymph nodes
The formation of blood cells starts in the bone marrow as - Answer-stem cells
Plasma makes up what percentage of the blood? - Answer-55%
The blood volume in an average adult is about _____liters? - Answer-5
The lower the pH level, the more ______ the blood is - Answer-acidic
The most numerous blood cell in the body are? - Answer-erythrocytes /RBC
People with a low number of RBC are considered to have - Answer-anemia
What describes the process of development in which new RBC are produced - Answer-
erythropoiesis
How long does it take for a RBC to mature? - Answer-7 days
About how many RBC are produced per second? - Answer-2 million
Developing RBC are also called - Answer-reticulocytes
Eryptosis takes place _____________ the production of red blood cells. - Answer-at the
same rate
_____________ are developed from cells in the bone marrow called hematopoietic cells
- Answer-white blood cells
T/F white blood cells contain chromosomes? - Answer-TRUE
Neutrophils defend the body against - Answer-fungal or bacterial infection
White blood cells are grouped into B cells, T cells, and _______ - Answer-Nk cells
T/F macrophages are formed from monocytes - Answer-True
blood clotting is also known as - Answer-coagulation
the average life span of platelet is - Answer-5-9 days
, if a person has an insufficient amount of platelets, it may lead to ? - Answer-excessive
bleeding
For a normal blood specimen, it usually takes ________ for the blood to clot - Answer-
30-60 min
Venous vessels carry blood ________ the heart. - Answer-towards
the human arterial system develops at _______ of human development - Answer-4
weeks
the smaller blood vessels are ? - Answer-capillaries
if a patient is in the prone position they are... - Answer-lying face down on the stomach
venipuncture is the chosen method of collection when ______ amount of blood is
needed - Answer-large
why should you put gloves on in front of a patient ? - Answer-to reassure safety
Alcohol should be allowed to dry for how many seconds before the venipuncture? -
Answer-30-60 seconds
when performing venipuncture, the needle should form an angle of - Answer-15-30
degrees
when performing a capillary puncture on newborns, the lancet depth should be less than
- Answer-2.0mm
the monject mono letter is a safety device for capillary blood collection t/f - Answer-True
when performing capillary puncture, where should the cut be oriented on the finger? -
Answer-across finder print lines
when performing a capillary puncture, why is it important to wipe away the first drop of
blood? - Answer-it is contaminated with tissue fluids
the best angle for spreading a blood smear is - Answer-30 degrees
an arterial puncture is usually performed for further analysis of? - Answer-blood gas
when performing an arterial puncture the artery should be punctured at a ______
degree angle - Answer-90
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