
ANEMIAS
Authored by Giuliana Ramírez
Health Sciences
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Una mujer de 28 años con sangrado menstrual abundante presenta Hb 9 g/dL, VCM 72 fL, ferritina baja. El diagnóstico más probable es:
Anemia por enfermedad crónica
Anemia ferropénica
Anemia megaloblástica
Anemia sideroblástica
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
La anemia megaloblástica se caracteriza por:
VCM aumentado y macrocitosis
VCM disminuido y microcitosis
VCM normal con reticulocitosis
Anisocitosis sin alteración del VCM
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuál es el mecanismo fisiopatológico principal de la anemia de enfermedad crónica?
Deficiencia de ácido fólico
Destrucción inmunomediada de hematíes
Aumento de hepcidina que bloquea la liberación de hierro
Disminución de la eritropoyetina
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
En la anemia por deficiencia de vitamina B12, un hallazgo característico en el hemograma es:
Reticulocitos elevados
Neutrófilos hipersegmentados
Linfocitos atípicos
Esquistocitos
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
La causa más frecuente de anemia microcítica en el adulto es:
Talasemia alfa
Anemia ferropénica
Anemia sideroblástica
Intoxicación por plomo
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Un paciente con anemia hemolítica autoinmune presenta prueba de Coombs directa positiva. El mecanismo de destrucción eritrocitaria es:
Esplenomegalia congestiva
Hemólisis mecánica
Fagocitosis mediada por anticuerpos
Destrucción por toxinas bacterianas
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
En la talasemia beta mayor, el patrón electroforético de hemoglobina muestra:
HbA2 disminuida, HbF normal
HbA2 aumentada, HbF aumentada
Solo HbA
HbF disminuida
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