24-Other vitamins and mineral deficiencies (1)

1. What is the most common cause of blindness in developing countries? Vitamin A deficiency
2. ​Enumerate) Causes of Pseudo-paralysis in Vitamin deficiency !?

.Vitamin C Deficiency (Scurvy) Due to subperiosteal hemorrhage and extreme bone tenderness.

.vitamin A Toxicity:due to cortical thickening and bone pain (chronic toxicity)

**Which mineral deficiency is a rare cause of microcytic hypochromic anemia?
Coppor toxicity

**Which vitamin deficiency can result in microcytic hypochromic anemia despite normal iron studies?
Vit B6 deficiency

**Enumerate] Causes of Microcytic Hypochromic Anemia other than Iron Deficiency.",

"answer"

"Thalassemia (Alpha or Beta)
Sideroblastic Anemia (including Vitamin B6 deficiency
Anemia of Chronic Disease
Lead Poisoning
Copper Deficiency

**Enumerate) Types of anemia associated with Vitamin C deficiency !
Microcytic anemia 
Macroctic
Normocytic due to hemorrhage

**Question: (Case) A patient presents with dermatitis in sun-exposed areas resembling a necklace. Name the sign and the deficiency.

Neckless dermatitis D2 Vitamin B3 deficiency

**Enumerate) The "4 D's" of Pellagra.
Dermatitis
Diarrhea
Dimintia
Death

MCQ) Which vitamin toxicity is associated with pseudotumor cerebri (idiopathic intracranial hypertension)?
Hypervitaminosis A

**Case) Identify the physical sign (Bitot's spots) and the underlying vitamin deficiency.VIT A

***Vitamin C deficiency (Scurvy) can lead to macrocytic anemia primarily due to its metabolic relationship with:", ?

Folic acid metabolism",