Q- Which of the following conditions is characterized by irregular blotchy patches of hyperpigmentation localized mostly on the face caused by sun exposure, pregnancy and contraceptive pills?
A- Benign lentigo
B- Freckles
C- Melasma
D- Vitiligo
Q- Which one of the following conditions characterized by hemolytic episodes caused by increased erythrocyte sensitivity to complement lytic actions?
A- Glucose-6-phosphate dehydrogenase deficiency anemia
B- Hereditary spherocytosis
C- Paroxysmal nocturnal hemoglobinuria
D- Sickle cell anemia
Q- Which of the following features are most likely seen in a case of Takayasu arteritis?
A- Blanching and cyanosis of the fingers and toes
B- Blindness and pulseless upper extremities
C- Febrile lymphadenopathy with rah
D- Major organ failures