Zinc

Question 1

It acts in the body mainly as a cofactor for 100 diverse …..- dependant enzymes such as DNA polymerase, alkaline phosphatase, carboxypeptidase etc.

Answer 1

Zinc

Question 2

Zinc in body is contact

Answer 2

2.5

Question 3

Daily zinc requirement is

Answer 3

3-14mg childhood need 3 while. During lactation women need 13mg

Question 4

Zinc decreases in

Answer 4

leukemia, liver cirrhosis, hepatitis, sickle cell anemia, Infection, pernicious anemia and malnutrition

Question 5

Common symptoms of zinc deficiency that must be noted include

Answer 5

In children: growth retardation and skeletal abnormalities are typical symptoms in
which zinc deficiency should be considered
In adults: reduced sense of taste and smell, loss of appetite, development of
abnormal skin lesions and excessive hair loss

Question 6

Zn toxicity occurs due to

Answer 6

Excessive ingestion of Zn. Some toxic compounds such as ZnCl2 if ingested may cause generalized necrosis, burns and ulcers if applied excessively on skin.

Question 7

Determination of Zn

Answer 7

• Serum is preferred however Li-heparin may also be used to collect sample
• Hemolyzed samples must be rejected