Regis NR 412 - Test 5 Questions With
Correct Answers
Anemia
-reduction |of |RBC |count |or |quality |of |hemoglobin
*weakness, |fatigue, |pallor, |dyspnea
Anemia |manifestations
weakness, |fatigue, |pallor, |dyspnea,
Hematopoiesis
blood |cell |production |in |bone |marrow, |2 |stages: |mitosis |(proliferation) |and |maturation |
(differentiation)
Erythropoiesis
- |RBC |production, |from |erythroblasts |--> |reticulocytes |--> |erythrocytes |
- |decrease |in |O2 |causes |an |increase |in |RBC |and |erythropoietin |production |
- |pt |with |chronic |resp |dysfunction |will |have |overproduction |of |RBCs
,Erythropoietin
hormone |that |stimulates |RBC |production
Thrombopoiesis
platelet |production |in |the |bone |marrow |that |is |controlled |by |the |thrombopoietin |hormone
Hemostatis |is |defined |as |__________?
stopping |of |all |blood |flow
- |clot |retraction: |fibrin |get |shorter/denser |= |good |for |coagulation
- |clot |dissolution: |clot |removal
Sickle |Cell |Anemia
a |genetic |disorder |that |causes |abnormal |hemoglobin, |resulting |in |some |red |blood |cells |
assuming |an |abnormal |sickle |shape |(C-like)
*hand-foot |syndrome |(painful |swelling |of |toes/fingers) |and |acute |pain
- |trait |vs |disease
Vitamin |B12 |Deficiency |Anemia
- |macrocytic |and |normochromic |anemia
, - |Vit |B12 |relies |on |intrinsic |factor: |a |protein |secreted |by |gastric |parietal |cells |and |caused |by |
pernicious |anemia: |an |autoimmune |disorder |of |destruction |of |gastric |mucosa |and |parietal |
cells
Thalassemias |anemia
inherited |anemia |due |to |reduced |synthesis |of |one |of |the |globin |chains |causes |abnormal |
formation |of |hemoglobin
- |B |thalassemias |common |in |Med/black |population
- |A |thalassemia |common |in |Asain/black |pop
* |anemia, |jaundice, |poor |appetite, |paleness, |enlarged |liver
manifestations |of |thalassemias |anemia
anemia, |jaundice, |poor |appetite, |paleness, |enlarged |liver/heart
Polycythemia
overproduction |of |RBCs, |thicker |blood
Relative |polycythemia
- |Result |of |dehydration
- |Fluid |loss |results |in |relative |increases |in |red |cell |counts |and |decrease |in |plasma |
(hemoconcentration |of |RBC)
Correct Answers
Anemia
-reduction |of |RBC |count |or |quality |of |hemoglobin
*weakness, |fatigue, |pallor, |dyspnea
Anemia |manifestations
weakness, |fatigue, |pallor, |dyspnea,
Hematopoiesis
blood |cell |production |in |bone |marrow, |2 |stages: |mitosis |(proliferation) |and |maturation |
(differentiation)
Erythropoiesis
- |RBC |production, |from |erythroblasts |--> |reticulocytes |--> |erythrocytes |
- |decrease |in |O2 |causes |an |increase |in |RBC |and |erythropoietin |production |
- |pt |with |chronic |resp |dysfunction |will |have |overproduction |of |RBCs
,Erythropoietin
hormone |that |stimulates |RBC |production
Thrombopoiesis
platelet |production |in |the |bone |marrow |that |is |controlled |by |the |thrombopoietin |hormone
Hemostatis |is |defined |as |__________?
stopping |of |all |blood |flow
- |clot |retraction: |fibrin |get |shorter/denser |= |good |for |coagulation
- |clot |dissolution: |clot |removal
Sickle |Cell |Anemia
a |genetic |disorder |that |causes |abnormal |hemoglobin, |resulting |in |some |red |blood |cells |
assuming |an |abnormal |sickle |shape |(C-like)
*hand-foot |syndrome |(painful |swelling |of |toes/fingers) |and |acute |pain
- |trait |vs |disease
Vitamin |B12 |Deficiency |Anemia
- |macrocytic |and |normochromic |anemia
, - |Vit |B12 |relies |on |intrinsic |factor: |a |protein |secreted |by |gastric |parietal |cells |and |caused |by |
pernicious |anemia: |an |autoimmune |disorder |of |destruction |of |gastric |mucosa |and |parietal |
cells
Thalassemias |anemia
inherited |anemia |due |to |reduced |synthesis |of |one |of |the |globin |chains |causes |abnormal |
formation |of |hemoglobin
- |B |thalassemias |common |in |Med/black |population
- |A |thalassemia |common |in |Asain/black |pop
* |anemia, |jaundice, |poor |appetite, |paleness, |enlarged |liver
manifestations |of |thalassemias |anemia
anemia, |jaundice, |poor |appetite, |paleness, |enlarged |liver/heart
Polycythemia
overproduction |of |RBCs, |thicker |blood
Relative |polycythemia
- |Result |of |dehydration
- |Fluid |loss |results |in |relative |increases |in |red |cell |counts |and |decrease |in |plasma |
(hemoconcentration |of |RBC)
