NEET MDS Quiz - Practice Test

1

Biochemistry

Which of the following dental tissues is most likely to be effected by Vit-A deficiency
1. enamel
2. dentin
3. cementum
4. pulp

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

Enamel most likely effected by deficiency of vitamin A

2

Biochemistry

Symptoms from a riboflavin deficiency can be:

1. Cracks in the corner of the mouth (angular stomatitis)
2. Inflammation of the tongue (glossitis)
3. Eye and skin changes
4. All of the above

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

The eye change include an increase in blood vessels and inflammation of the conjunctivae, cornea is invaded by capillaries, producing opaque areas and even ulceration. Dermatitis characterized by a greasy and scaly reddened lesion develops on the skin around the nasolabial folds and may extend to a butterfly shape on the cheeks. There many also be lesions at the corners (canthi) of the eyes and lobes of the mouth.

3

Biochemistry

Epinephrine causes increased blood glucose level due to:
1. Increased glycogenolysis in liver and muscle
2. Activation of phosphorylase
3. Inhibition of glycogen synthesis in liver
4. All of the above

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

Epinephrine causes increased blood glucose level due to: 1. Increased glycogenolysis in liver and muscle 2. Activation of phosphorylase 3. Inhibition of glycogen synthesis in liver

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