Thyroid Gland: Thyroid Hormones Flashcards

1
Q

TSH stimulates the thyroid gland to produce the thyroid hormones….

A

T3 and T4

triidothyrine) and (thyroxine

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2
Q

What do the thyroid hormones do the BMR? How?

__________the BMR by acting on the________ by utilizing _______ to produce ATP

A

Increase
mitochondria
oxygen

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3
Q

Thyroid hormones’ help regulate body ______

through stimulation of Na+/K+ pumps. this uses ______ and body temp rises.

A

temp

ATP

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4
Q

Thyroid hormones also assist in the synthesis of ______ like in GH.

A

protein

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5
Q

Thyroid hormones stimulate the use of _____ acids for ATP

while also simulating the use of _____ for ATP

A

fatty

glucose

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6
Q

Thyroid hormones enhance the action of ______________ and __________ by upregulating their receptors

A

epinephrine,

norepinephrine

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7
Q

What’s the difference between GH and thyroid hormones in energy production?

A

GH spares glucose

T3/t4 do not.

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8
Q

Does the thyroid gland store and release its own hormones?

A

yes

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9
Q

Is thyroid hormone water or lipid-soluble?

A

lipid

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10
Q

Because thyroid hormone is lipid-soluble does it act indirectly or directly in the target cells?

A

directly

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11
Q

Thyroid Hormone increases ______rate and body _____ production

A

metabolic,

heat

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12
Q

Thyroid Hormone increases the number of _________ receptors in blood vessels creating an excitatory reponce of blood vessels

A

androgenic

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13
Q

Thyroid Hormone regulates tissue _________ and ______

A

growth and development

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14
Q

Normal Physiological effect of T3/T4: Thyroid hormones effect the BMR and temp regulation by promoting normal _____use, and BMR. it also enhances the effects of the _________ _______ system

A

normal O2

sympathetic Nervous

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15
Q

Normal Physiological effect of T3/T4: promotes ______ catabolism; mobilizes _____ witch is essential for _____ synthesis. enhances livers synthesis of ______

A

glucose,
fats,
protein
cholesterol

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16
Q

Effect of Hyposecretion (BMR and Temp reg)

A

Low BMR decreased body temp, cold intolerance, decreased appetite; weight gain

17
Q

Effects of Hypersecretion (BMR and Temp reg)
____ BMR, ______ body temp, heat ________, incresed_________
weight ______

A

high , increased
intolerance,
appetite,
loss

18
Q

Effect of Hyposecretion (Carb lipid/protein metabolism)

______glucose metabolism; _______ cortisol and triglyceride levels in the blood plus ________ protein______

A
Decreased; 
elevated 
decreased 
synthesis. 
(edema)
19
Q

Effects of Hypersecretion: Enhanced catabolism of __________, _______ and ______; weight _____ and _____ of muscle mass.

A

glucose, proteins, fats;
loss
loss

20
Q

Thyroid Hormones: list all 3

A

T3, T4 and Calcitonin

21
Q

Calcitonin is produced by _____________ cells of the _____ gland

A

parafollicular

thyroid

22
Q

is Calcitonin the primary regulator in blood Calcium levels?

A

no

23
Q

what does Calcitonin target?

A

the skeleton

24
Q

Calcitonin is bone ______

A

sparing

25
Q

What is the 1st (of 3) point Calcitonin bone sparing? 1. it inhibits ______ activity and ______ reabsorption

A

osteoclast

bone

26
Q

What is the 2nd (of 3) point of Calcitonin bone sparing? 2. It stimulates_______ ______ in the bone matrix.

A

calcium uptake

27
Q

What is the 3rd (of 3) point of Calcitonin bone sparing?

it decreases blood ______ levels.

A

calcium

28
Q

Calcitonin is only released when we abnormally ________ levels of blood calcium (___%) ______ nomral

A

high
20
above