Iodine Deficiency Disorders Flashcards
> 90% of iodine stored in what gland?
thyroid gland
thyrotropin- releasing hormone is produced by the __
hypothalamus
TSH prod is in the __
anterior pituitary
A.Severe mental retardation & growth deficit
B.Upper limb paralysis
C.Rigidity
D.Deaf-mutism
Which is not a part of cretinism?
B
lower dapat
T or F. There are a lot of documented cases of cretinism in the Philippines.
F. No record in PHL (none documented)
Main causes of hypothyroidism: enumerate
iodine deficiency
thyroiditis
surgical-related
an autoimmune disease that may cause thyroiditis (answer must be the one mentioned in lecture)
Hashimoto’s Disease
Not part of hypothyroidism A.increased difficulty losing weight B.cold intolerance C.abnormal menstrual cycles D.increased libido
D
decrease dapat
enumerate iodine status assessment methods
Goiter classification
Clinical methods
Urinary iodine concentration
TSH concentration
When is Goiter classification used to assess iodine status?
late stages of IDD
Best method to use for early detection of IDD
Urinary iodine concentration
\_\_ 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
C
in absence of C, use D
When \_\_% of the population has goiter grade > 0, it's a Public Health Concern A. 10 B. 20 C. 30 D. 40
20
For Median urinary iodine to indicate PH concern re IDD, what must be the measurement?
A. 50 ug/L
C. 25 ug/L
A
TSH > 5 mU/L blood: often PH concern re IDD for \_\_ A.elderly B.young adults C.preschoolers D.newborns
D
Thyroid volume >97 percentile becomes PH concern re IDD if \_\_% A. 10 B. 20 C. 30 D. 40
B
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
B - for newborns
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.
B
Europe: higher (esp Eastern Europe)
target groups of iodized oil supplementation - enum
Women during pregnancy and 1st year postpartum;
Children
administration of iodized oil supplementation A. intradermal B. intraperitoneal C. intramuscular D. oral
C
What are goitrogens?
substances that suppress the function of
the thyroid gland by interfering with iodine uptake that
can cause an enlargement of the thyroid
goitrogen found in cassava
Thiocyanate
goitrogenic action of thiocyanate
Suppresses circulating T4
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
C
association only proven to be present @ 1-2 months of age