Anemia

Descripción

Anemia lecture; Sickle Cell Anemia lecture
Christina Wilson
Test por Christina Wilson, actualizado hace más de 1 año
Christina Wilson
Creado por Christina Wilson hace alrededor de 7 años
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Resumen del Recurso

Pregunta 1

Pregunta
How long is the complete maturation process for a RBC?
Respuesta
  • 120 days
  • 16-20 days
  • 7 days
  • 90 days

Pregunta 2

Pregunta
Erythropoeitin (EPO) initiates and stimulates production of RBCs
Respuesta
  • True
  • False

Pregunta 3

Pregunta
Which lab test shows the actual volume of RBCs in a unit of whole blood
Respuesta
  • Hct
  • Hgb
  • RBC count
  • MCV

Pregunta 4

Pregunta
Which lab test is useful in distinguishing between microcytosis anemia and hypochromia anemia?
Respuesta
  • MCV
  • MCH
  • Reticulocyte count
  • MCHC

Pregunta 5

Pregunta
When classifying anemia, first you look at the [blank_start]MCV[blank_end] test. If the result is high, then you have a [blank_start]macrocytic[blank_end] anemia and need to look at the [blank_start]Vitamin B12 and folate levels[blank_end] to determine if the anemia is [blank_start]Vitamin B12 deficiency[blank_end] or [blank_start]Folic acid deficiency[blank_end].
Respuesta
  • MCH
  • MCV
  • macrocytic
  • normocytic
  • microcytic
  • Reticulocyte count
  • Vitamin B12 and folate levels
  • Serum ferritin levels
  • Vitamin B12 deficiency
  • Anemia of Chronic Disease
  • Folic acid deficiency
  • Iron-deficiency anemia

Pregunta 6

Pregunta
Microcytic anemias are caused by impaired Hct synthesis.
Respuesta
  • True
  • False

Pregunta 7

Pregunta
TIBC is decreased in iron deficiency.
Respuesta
  • True
  • False

Pregunta 8

Pregunta
Which lab test is the best indicator of iron deficiency or iron overload?
Respuesta
  • TIBC
  • Serum iron level
  • Ferritin
  • % Transferrin Saturation

Pregunta 9

Pregunta
Iron is best absorbed on an empty stomach.
Respuesta
  • True
  • False

Pregunta 10

Pregunta
Body does not store much vitamin B12 so it is easy and quick to become vitamin B12 deficient.
Respuesta
  • True
  • False

Pregunta 11

Pregunta
Which of the following lab values are low in vitamin B12 deficiency?
Respuesta
  • MCV
  • Vitamin B12
  • Reticulocyte count
  • Hct

Pregunta 12

Pregunta
What types of foods have high folate levels?
Respuesta
  • Meats
  • Fresh green leafy vegetables
  • Cooked green leafy vegetables

Pregunta 13

Pregunta
Which anemia includes neurological manifestations?
Respuesta
  • Folate deficiency
  • Vitamin B12 deficiency
  • Iron-deficiency
  • Anemia of Chronic Disease

Pregunta 14

Pregunta
How long are patients given folate for treatment of Folic Acid deficiency anemia?
Respuesta
  • 1 week
  • 2 months
  • 4 months
  • 1 year

Pregunta 15

Pregunta
Which of the following is a hemoglobin variant that causes manifestations of sickle cell disease when paired with HbS but does not when paired with itself?
Respuesta
  • HbA
  • HbC
  • HbS
  • HbF

Pregunta 16

Pregunta
At what age are people screened for sickle cell anemia
Respuesta
  • Before 18 years old
  • Before 4 years old
  • Before 2 years old
  • Before 2 months old

Pregunta 17

Pregunta
How does hydroxyurea work?
Respuesta
  • Destroys HbS
  • Stimulates production of HbF. HbF decreases polymer formation of HbS due to its high oxygen affinity
  • Stimulates production of HbF. HbF decreases polymer formation of HbS due to its low oxygen affinity.
  • Increases levels of HbA so there is a lower percentage of HbS in circulation

Pregunta 18

Pregunta
What should always be given with hydroyurea?
Respuesta
  • Vitamin B12
  • Folic acid
  • Iron
  • Normal RBCs

Pregunta 19

Pregunta
AJ is s 25 yo African American female who has sickle cell anemia and has had 2 severe pain crises in the past year. She is a good candidate for hydroxyurea.
Respuesta
  • True
  • False

Pregunta 20

Pregunta
If toxicity from hydroxyurea occurs, hydroxyurea should be D/C forever.
Respuesta
  • True
  • False

Pregunta 21

Pregunta
What is the only therapy that can cure sickle cell disease and should it be used for everyone?
Respuesta
  • Hydroxyurea; yes
  • Hydroxyurea; no
  • HSCT; yes
  • HSCT; no

Pregunta 22

Pregunta
Which of the following sickle cell complications result in an acute decrease in Hgb with decreased reticulocyte count and transient suppression of RBC production in response to bacterial or viral infection?
Respuesta
  • Aplastic crisis
  • Acute splenic sequestration crisis
  • Vasooclusive pain crisis
  • Acute chest syndrome
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