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NR 507 Week 2 Hematologic & Cardiovascular system 84 verified solutions.
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NR 507 Week 2 Hematologic & Cardiovascular system 84 verified solutions. NR 507 Week 2 Hematologic & Cardiovascular system 84 verified solutions. NR 507 Week 2 Hematologic & Cardiovascular system 84 verified solutions. NR 507 Week 2 Hematologic & Cardiovascular system 84 verified solutions. NR ...

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  • September 28, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nr 507 week 2 hematologic cardiovascular system

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  • NR 507 ADVANCED PATHOPHYSIOLOGY
  • NR 507 ADVANCED PATHOPHYSIOLOGY

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NR 507 Week 2 Hematologic &
Cardiovascular system 84 verified
solutions.
NR 507 Week 2 Hematologic &
Cardiovascular system 84 verified
solutions.
_____________ is the formation of red blood cells - ANSWER- Erthropoiesis

_________ is the site of blood cell formation? - ANSWER- Hematopoiesis

Hematopoiesis is stimulated by... - ANSWER- infiltration of bone marrow and faster
proliferation/ differentiation of stem and daughter cells

how long does it take to build a RBC - ANSWER- 7 days

adult hemoglobin = - ANSWER- 2 alpha + 2 Beta chains

when 02 binds to the iron in each heme molecule it is called - ANSWER-
oxyhemoglobin

when CO2 binds to hemoglobin it is called - ANSWER- deoxyhemoglobin

what are the primary dietary sources for iron? - ANSWER- meat, dried meat, eggs

what type of iron is effective in bonding with oxygen? - ANSWER- Ferrous

primary diet sources for B12 - ANSWER- meat, dairy. poultry, fish

Purpose of B12 and folic acid - ANSWER- Required for DNA, RNA, and myelin
synthesis

What is anemia? - ANSWER- A reduction in the total # of circulating RBC and/ or a
decrease in HB function

what can cause anemia? - ANSWER- -impaired RBC production
-Excessive blood loss
-increased RBC destruction

Anemia results in - ANSWER- reduced RBC # and/ or Hb level>>> decreased
oxygenation
reduced RBC#>>>>decreased blood volume

, NR 507 Week 2 Hematologic &
Cardiovascular system 84 verified
solutions.
Examples of Normocytic-normochromic anemia include - ANSWER- Post hemorrhagic
Anemia
Aplastic Anemia
Hemolytic anemia

Causes of aplastic anemia include: - ANSWER- chemical and radiation exposure, viral
induced, tumors, antibiotics, and congenital defects

what is pancytopenia - ANSWER- A decrease of all blood cell types

what is hemolytic anemia caused by? - ANSWER- infection, transfusion reaction,
hemolytic disease of the newborn (rh incompatibility), autoimmune and drug abuse

causes of macrocytic normochromic anemia? - ANSWER- normal HMG but not enough
B12 or folic acid. ex: pernicious anemia, folate deficiency anemia

causes of pernicious anemia - ANSWER- autoimmune reaction, gastritis, gastrectomy

what is Microcytic-hypochromic anemia? causes? - ANSWER- small cells and low HMG
level, iron (Fe) deficiency

What is sickle cell anemia? - ANSWER- inherited autosomal recessive genetic disorder

Right heart - ANSWER- receives deoxygenated systemic blood and returns it to the
lungs = Pulmonary circulation

Left heart - ANSWER- receives oxygenated blood from the lungs and returns it to the
systemic circulation

The superior and inferior vena cava carry systemic Deoxy blood to the .... - ANSWER-
Right atrium>>tricuspid valve>>RV>>Pulmonary SLV>>pulmonary trunk>>pulmonary
arteries>>Lungs

Pulmonary veins carry oxygenated blood to the... - ANSWER- LA>>LV>>aortic
SLV>>Aorta>>systemic circulation

what is the cardiac cycle - ANSWER- a complete series of events that occur with one
heartbeat

1st heart sound - ANSWER- AV valve closes

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