Thyroid Gland Flashcards

1
Q

what are the two parts of the thyroid gland called and where are they located

A

lobes
either side of the larynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

how are the lobes of the thyroid connected

A

a narrow band called the isthmus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the two hormones produced by the thyroid

A

thyroid hormone
calcitonin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

the thyroid hormone precursor in the globule

A

colloid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what two hormones make up the thyroid hormone

A

T4 - tetraiodothyronine or thyroxine
T3 - triiodothyronine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

which thyroid hormone is considered a prohormone and functions as a primary reservoir

A

T4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

which thyroid hormone is the active hormone

A

T3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

how does thyroid hormones calorigenic effect help heat the body

A

it regulates the metabolic rate at which nutrients burn energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

how does thyroid hormone effect proteins, carbs and lipids

A

how they are metabolised

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how does thyroid hormone effect proteins, carbs and lipids

A

how they are metabolized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

thyroid hormone helps maintain homeostasis of what

A

blood glucose level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

thyroid hormone encourages what on lipids

A

catabolism (breakdown)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

where is calcitonin produced

A

C cells between thyroid follicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Calcitonin is one of two hormones involved in maintaining homeostasis of what

A

blood calcium levels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what does calcitonin help prevent and how does it do this

A

hypercalcemia
encourages excess calcium to be deposited in the bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

several small, pale nodules in, on or near the thyroid glands

A

parathyroid glands

17
Q

this hormone helps maintain blood calcium homeostasis by exerting an effect opposite to calcitonin - preventing hypocalcemia

A

parathyroid hormone (PTH)

18
Q

how does parathyroid hormone help prevent hypocalcemia

A

causes kidneys to retain calcium
causes intestines to absorb calcium from food
withdrawns calcium from the calcium bank