Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Physiology Exam 4 > thyroid > Flashcards

thyroid Flashcards

You may prefer our related Brainscape-certified flashcards:
WSET ® Level 4 D2 Business of Wine flashcards
1
Q

increase in TH causes a decrease in

A

TRH and TSH

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

lack of TH causes

A

less negative feedback, increased TSH and size of thyroid gland

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

TSH causes

A

increase in size and functin of thyroid gland

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

name of center of thyroid gland

A

colloid

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

parafollicular cells make

A

calcitonin (Ca++ regulation)

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

what goes into a thyroid gland to cause the release of TH

A

Iodide (I-)

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

difference between T3 and T4

A

T3: three iodides bound
T4: four iodides bound

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

what is necessary for T3/T4 production

A

must be bound to thryoglobulin

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

does TH act on intra or extracellular receptors

A

intracellular

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

thryoxinebinding protein

A

binds T3 and T4, also binds albumin (main plasma protein)

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

what is more active T3 or T4

A

T3

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

in the conversion of T4 to T3 what is released more

A

T4

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

what converts T4 to T3

A

5- deiodinase

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

what inhibites 5- deiodinase

A

fasting

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

lack of thyroid hormone at birth causes

A

congenital hypothyroidism

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

thyroid hormone causes

A

differentiation of neurons into mature neurons

17
Q

thryoid hormone increases

A
  • GH synthesis (protein synthesis)
  • enzymes for ATP production
  • number of beta 1 receptors (permissive for Ep)
  • BMR (basal metabolic rate)
18
Q

BMR

A

energy required to maintain life
* membrane potential
* heart
* respiration

19
Q

hashimotos disease

A

maine cause of hypothyroidism in the US
* body makes antibodies against the thyroid gland (damage)

20
Q

symptoms of hyperthyroidism

A
  • decreased BMR
  • weight gain
  • intolerance to cold
  • fatigue
21
Q

treatment of hypothyroidism

A

iodide deficiency - give iodide
hashimoto’s disease - thyroid hormone

22
Q

graves’ disease

A

autoimmune disease
* antibodies activate TSH receptors

23
Q

symptoms of hyperthyroidism

A

increased BMR, weight loss, intolerance to heat, nervousness

24
Q

treatment of hyperthyroidism

A

remove part of thyroid gland
restrict iodide intake

25
Q

does hyperthyroidism cause a goiter

A

yes - antibodies stimualte thyroid gland

Physiology Exam 4 (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions