Case Discussion: Vitamins and Micronutrients Flashcards Preview

Digestive, Endocrine, and Metabolic Systems > Case Discussion: Vitamins and Micronutrients > Flashcards

Flashcards in Case Discussion: Vitamins and Micronutrients Deck (10):
1

One of the main causes of B12 deficiency in infants is _____________.

undiagnosed pernicious anemia in the mother

2

___________ deficiency can cause difficulty feeding in infants (such as frequent vomiting).

B12

3

What is the prognosis of B12 deficiency in infants?

Unfortunately, the neurologic effects are often permanent and lead to developmental delays.

4

Generally, what is a good way to differentiate micronutrient deficiencies and inborn errors of metabolism?

Inborn errors of metabolism are present at birth and will have a constant presentation, while most micronutrient deficiencies will present in previously healthy kids.

5

Flaring of the wrists is a sign of __________.

rickets

6

Retinol binding protein can be low due to vitamin A deficiency or __________.

inflammation (because it is a negative acute phase reactant)

7

Trousseau sign's results from ____________.

hypocalcemia

8

What is Trousseau's sign?

Flexion of the wrist with occlusion of the brachial artery.

9

Why might you not give iron to someone with an infection?

Two reasons: (1) inflammatory states induce expression of hepcidin, which decreases iron absorption; and (2) bacteria need iron and can grow with excess iron supplementation

10

What is Chovstek sign?

Facial nerve twitching with tapping, a sign of hypocalcemia similar to Trousseau's sign

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