Iodine Deficiency Disorders

Question 1

> 90% of iodine stored in what gland?

Answer 1

thyroid gland

Question 2

thyrotropin- releasing hormone is produced by the __

Answer 2

hypothalamus

Question 3

TSH prod is in the __

Answer 3

anterior pituitary

Question 4

A.Severe mental retardation & growth deficit
B.Upper limb paralysis
C.Rigidity
D.Deaf-mutism

Which is not a part of cretinism?

Answer 4

B

lower dapat

Question 5

T or F. There are a lot of documented cases of cretinism in the Philippines.

Answer 5

F. No record in PHL (none documented)

Question 6

Main causes of hypothyroidism: enumerate

Answer 6

iodine deficiency
thyroiditis
surgical-related

Question 7

an autoimmune disease that may cause thyroiditis (answer must be the one mentioned in lecture)

Answer 7

Hashimoto’s Disease

Question 8

Not part of hypothyroidism
A.increased difficulty losing weight
B.cold intolerance
C.abnormal menstrual cycles
D.increased libido

Answer 8

D

decrease dapat

Question 9

enumerate iodine status assessment methods

Answer 9

Goiter classification
Clinical methods
Urinary iodine concentration
TSH concentration

Question 10

When is Goiter classification used to assess iodine status?

Answer 10

late stages of IDD

Question 11

Best method to use for early detection of IDD

Answer 11

Urinary iodine concentration

Question 12

\_\_ are standard of WHO IDD severity
on Median Urinary Iodine Levels due to stable Iodine
storage.
A. Elderly
B. Young Adults
C. School Children
D. Preschoolers

Answer 12

C

in absence of C, use D

Question 13

When  \_\_% of the population has goiter grade > 0, it's a Public Health Concern
A. 10
B. 20
C. 30
D. 40

Answer 13

20

Question 14

For Median urinary iodine to indicate PH concern re IDD, what must be the measurement?
A. 50 ug/L
C. 25 ug/L

Answer 14

A

Question 15

TSH > 5 mU/L blood: often PH concern re IDD for \_\_
A.elderly
B.young adults
C.preschoolers
D.newborns

Answer 15

D

Question 16

Thyroid volume >97 percentile becomes PH concern re IDD if \_\_%
A. 10
B. 20
C. 30
D. 40

Answer 16

B

Question 17

School children: best target group for the ff indicators except
A. Thyroid volume >97 percentile
B. TSH > 5 mU/L blood
C. Median urinary iodine
D. Goiter grade >0

Answer 17

B - for newborns

Question 18

Which is false?
A.Cretinism is an IDD indicator in both children and adults.
B.Asia has a higher prevalence IDD than Europe.
C.Fortification of food cannot target a particular “at risk” group.
D.All are false.

Answer 18

B

Europe: higher (esp Eastern Europe)

Question 19

target groups of iodized oil supplementation - enum

Answer 19

Women during pregnancy and 1st year postpartum;

Children

Question 20

administration of iodized oil supplementation
A. intradermal
B. intraperitoneal
C. intramuscular
D. oral

Answer 20

C

Question 21

What are goitrogens?

Answer 21

substances that suppress the function of
the thyroid gland by interfering with iodine uptake that
can cause an enlargement of the thyroid

Question 22

goitrogen found in cassava

Answer 22

Thiocyanate

Question 23

goitrogenic action of thiocyanate

Answer 23

Suppresses circulating T4

Question 24

Which is false?
A.Iodinated water could reduce infant mortality
by approximately half
B.Iodized oil prevents infant mortality.
C.Iodine supplementation works in reducing infant mortality, regardless of age

Answer 24

C

association only proven to be present @ 1-2 months of age