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WorksheetsEndocrine Part 2
Total questions: 27
Worksheet time: 18mins
Label the image on the far right.
(a)
This gland is located on the roof of the third ventricle
pineal gland
pituitary gland
thyroid gland
thymus
•The pineal produces serotonin by day and (a) at night.
•Increase light = _______ melatonin, Decreased light = _______ melatonin
decreased ; increased
increased ; decreased
What can help with sleep as it helps the circadian rhythms/cycle?
getting sunlight
getting moonlight
This pineal gland disorder is characterized as depression due to a lack of sunshine.
Seasonal Affective Disorder
Cyclothymic Disorder
Persistent Depressive Disorder
Schizotypal Personality Disorder
In seasonal affective disorder, is there too much or too little melatonin?
too much
too little
does not apply
just enough
Treatment of Seasonal Affective Disorder?
full spectrum lighting
Selective Serotonin Reuptake Inhibitors
Serotonin-Norepinephrine Reuptake Inhibitors
Monoamine Oxidase Inhibitors
Jet lag treatment includes either full spectrum lighting or ONE melatonin pill. If melatonin is decreased with light but the alternative treatment is melatonin, Why would we recommend either of those?
Full spectrum lighting = helps circadian cycle
Melatonin = resets daily rhythms
Side effect of too much melatonin or melatonin in excess?
atrophy of the gonads
atrophy of the thyroid
atrophy of the brain
ventricular arrhythmias
This structure is important for immunity and is located at the sternal angle (Angle of Louis) at the level of the second rib.
(a)
What happens to the thymus after puberty?
Involution, but remains active
Involution, and is no longer active
It expands and becomes part of the thyroid
This structure secretes hormones that regulate development and later aids in activation of T-Lymphocytes.
Thymus
Thyroid
Adrenal
Pineal
Where is the thyroid gland located?
above the kidneys
at the roof of the third ventricle
hanging from the hypothalamus
in the neck, behind and below the thyroid cartilage
What gland has a two lateral lobes and a central isthmus?
thyroid
thymus
adrenal
pineal
Thyroid follicles contain follicular cells which produce?
thyroid hormones
metanephrines
vanillylmandelic acid
urine
What is the active form of Thyroid Hormone (TH)?
T3
T4
TSH
label 1
(a)
label 2
(a)
label 3
(a)
Thyroid follicles (storage sites) are filled with ______ and lined with _______ epithelial cells called follicular cells.
simple cuboidal ; colloid
colloid ; simple cuboidal
What is the key nutrient for the hormones T3 and T4
Iodine
Chloride
Potassium
Magnesium
•T4 is called (a) which contains four iodide ions (I-)
•T3 is called (a) which contains three atoms of iodide ion (I-)
How many days supply of thyroid hormone does the thyroid gland have stored?
100 days
50 days
20 days
3 days
Name the hormone:
• INCREASES body’s metabolic rate and O2 consumption
–This causes increased protein synthesis and increased ATP production
thyroid hormone (TH) (T3 and T4)
TSH
Thyroid hormone has which of the following correct effects?
Calorigenic Effect (increased heat production)
Increased Heart rate and contraction strength ; increased respiratory rate
Decreased Heart rate and contraction strength ; Decreased respiratory rate
Stimulates appetite and breakdown of CHO, lipids & proteins
Causes profuse projectile vomiting and currant jelly stool
