wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Y system endocrinaidd - y chwarennau pitwidol a thyroid

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

Ble mae’r chwarren bitẅidol wedi ei leoli?/Where is the pituitary gland loctated?

a)

Ar waelod yr ymennydd/at the base of the brain

b)

Ger y galon/by the heart

c)

Ar ben yr arennau/on top of the kidneys

d)

Ger yr ofariau/by the ovaries

2.

Mae’r cysylltiad rhwng yr hypothalmws a'r bitẅidol flaen trwy...../Connection between the hypothalamus and the anterior pituitary is via....

a)

Llwybr niwronau/neuronal pathway

b)

Trwy’r pibellau gwaed/via blood vessels

3.

Mae’r bitẅidol ôl a'r hypothalamws yn ffurfio system niwroendocrin/The posterior pituitary and the hypothalamus form a neuroendocrine system.

a)

Cywir/Correct

b)

Anghywir/Incorrect

4.

Beth yw rôl yr hormon gwrthddiwretig (ADH)?/What is the role of ADH?

a)

Codi crynodiad glwcos y gwaed/increase the blood glucose concentration

b)

Gostwng crynodiad glwcos y gwaed/decrease blood glucose concentration

c)

Lleihau’r cyfradd metabolaeth waelodol/decreases the basal metabolic rate

d)

Achosi ail-amsugniad dwr/causes water reabsorption

5.

Sawl hormone mae’r bitwidol flaen yn syntheseiddio a rhyddhau?/How many hormones does the anterior pituitary synthezise and release?

a)

4

b)

5

c)

6

d)

7

6.

Pa un o hormonau’r bitwidol flaen sy’n gysylltiedig â rheoli'r hormon cortisol?/Which of the anterior pituitary hormones is associated with the control of the hormone cortisol?

a)

TSH

b)

ACTH

c)

FSH

d)

GH

7.

Faint mae’r chwarren thyroid yn pwyso?/How much does the thyroid gland weigh?

a)

5-10g

b)

10-20g

c)

20-25g

d)

30-40g

8.

Beth yw enw prif uned swyddogaethol y chwarren thyroid/What is the name of the main functional unit of the thyroid gland?

a)

Celloedd C/C cells

b)

Coloid/colloid

c)

Ffoliglau/follicles

d)

Cortecs/cortex

9.

Beth yw canran allbwn yr hormone T4 o’r chwarren thyroid?/What is the percentage output of T4 from the thyroid?

a)

10%

b)

30%

c)

60%

d)

90%

10.

Beth yw prif rôl yr hormonau thyroid?/What is the main role of the thyroid hormones?

a)

Rheoleiddio metaboledd/regulates metabolism

b)

Ysgogi ofylu mewn menywod/stimulates ovulation in women

c)

Achosi’r ceilliau i gynhyrchu sberm mewn dynion/causes production of sperm by the testes in men

d)

Helpu rheoli crynodiad glwcos y gwaed/helps control blood glucose concentration