Exam 2 - chapter 23

Question 1

hemolytic anemia causes

Answer 1

(When RBC destruction occurs in blood)
Genetic
- Sickle cell anemia
- thalassemia s (not enough of alpha or beta chain)
Acquired
- Drugs, toxins, venoms, immunohemolytic anemia → this can develop when a sensitized Rh-mom is carrying Rh+ fetus

Question 2

sickle cell crises

Answer 2

Irreversibly Sickled cells (deoxygenated) stick to wall of blood vessel and cause infarctions and ischemias

Question 3

sickle cell crises s/s

Answer 3

• Appear at 8-10 weeks of age
• Tachycardia
• Splenomegaly in young ppl, in adult: fibrotic
• Vascular occlusion and infarction → painful and damages tissues and organs (necrosis), strokes