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ENDOCRINE SYSTEM

Total questions: 30

Worksheet time: 24mins

Name
Class
Date
1.

The endocrine glands are ductless glands. Therefore, the hormones are secreted directly into the blood flow. Although the hormones are transported throughout the body in the blood, the hormones only influence and affect specific target cells because

a)

The hormones have specific molecule receptors

b)

The target cells have specific molecule receptors on its membrane surface

c)

The walls of blood capillaries are only permeable to a certain type of hormone

d)

The hypothalamus controls the hormone to be transported to the target cell

2.

Which gland is the main gland of the endocrine system?

a)

Thyroid gland 甲状腺

b)

Adrenal gland 肾上腺

c)

Hypothalamus 下丘脑

d)

Pituitary gland 脑垂腺 / 垂体

3.

Why is the pituitary gland considered the main gland of the endocrine system?

a)

It sends nerve impulses to other endocrine glands to control their secretion of hormones

b)

It secretes hormones that control the secretion of other endocrine glands

c)

It has the largest size

d)

It is located below the hypothalamus

4.

The posterior lobe of the pituitary gland 脑下垂体后叶 secretes

a)

GH 生长素

b)

ADH 抗利尿激素

c)

ACTH 促肾上腺皮质激素

d)

Oxytocin 催产素

5.

The function of oxytocin 催产素 includes

a)

Stimulates the contraction of uterine muscles 子宫肌肉收缩 during birth

b)

Stimulates ovulation 排卵

c)

Stimulate the development of follicles in the ovary 促进卵泡发育

d)

Stimulates the production of milk from the mammary gland 乳腺

6.

Which of the following is NOT secreted by the anterior lobe of the pituitary gland? 脑垂体前叶

a)

LH 黄体生成素

b)

GH 生长激素

c)

TSH 促甲状腺激素

d)

Thyroxine 甲状腺激素

7.

Which of the following is NOT a function of LH 黄体生成素 against the ovary 卵巢?

a)

Stimulate ovulation

b)

Stimulate the development of corpus luteum 黄体

c)

Stimulate the secretion of oestrogen 雌激素 and progesterone 黄体酮

d)

Stimulate the secretion of testosterone 睾酮

8.

Hormones that stimulate spermatogenesis 精子形成 are?

a)

LH 黄体生成素

b)

FSH 促卵泡激素

c)

Oestrogen 雌激素

d)

Testosterone 睾酮

9.

Growth hormone (GH) 生长激素 acts directly on the bone and soft tissues. The function of GH does NOT include

a)

Stimulate growth

b)

Stimulate protein synthesis

c)

Stimulate fat metabolism

d)

Stimulates the development of secondary sexual characteristics 第二性征

10.

The hypothalamus secretes ________ which stimulates the pituitary gland to secrete FSH 促卵泡激素 and LH 黄体生成素 into the blood.

a)

Thyrotropin-releasing hormone (TRH) 促甲状腺激素释放激素

b)

Thyroid-stimulating hormone (TSH) 促甲状腺释放激素

c)

Gonadotrophin-releasing hormone (GnRH) 促性腺激素释放激素

d)

Gonadotrophin 促性腺激素

11.

Aldosterone 醛固酮 is secreted in

a)

Pituitary gland

b)

Pancreas

c)

Adrenal cortex

d)

Adrenal medulla

12.

Which hormone increases the level of sugar in the blood, the rate of metabolism and the respiratory rate at the same time?

a)

Thyroxine 甲状腺素

b)

Insulin 胰岛素

c)

Glucagon 胰高血糖素

d)

Adrenaline 肾上腺素

13.

Besides Growth Hormone (GH) secreted by the anterior lobe of the pituitary gland, which hormone also affects the growth and development of an organism?

a)

Insulin 胰岛素

b)

Adrenaline 肾上腺素

c)

Thyroxine 甲状腺素

d)

Aldosterone 醛固酮

14.

Which hormone reduces blood glucose level and promotes the conversion of excess glucose to glycogen 糖原?

a)

Thyroxine

b)

Insulin

c)

Glucagon

d)

Adrenaline

15.

Starting from which point, the concentration of insulin in the blood begins to rise significantly? (Pls enlarge the photo)

a)

A

b)

B

c)

C

d)

D

16.

Glycogen 糖原 is converted into glucose and released into the blood with the effect of

a)

Insulin 胰岛素

b)

Glucagon 胰高血糖素

17.

Progesterone 孕酮 is secreted by

a)

Testis 睾丸

b)

Pancreas 胰腺

c)

Ovary 卵巢

d)

The anterior lobe of the pituitary gland 脑垂体前叶

18.

The formation of placenta 胎盘 is stimulated by

a)

Testosterone 睾酮

b)

Oestrogen 雌激素

c)

Progesterone 孕酮

d)

Follicle-stimulating hormone (FSH) 促卵泡激素

19.

In a "fight or flight" situation, the hypothalamus transmits nerve impulses directly to the _____________ to secrete ___________

a)

Adrenal medulla 肾上腺髓质, adrenaline and noradrenaline

b)

Adrenal medulla 肾上腺髓质, adrenaline only

c)

Adrenal cortex 肾上腺皮质, noradrenaline only

d)

Adrenal cortex 肾上腺皮质, adrenaline and noradrenaline

20.

In a "fight or flight" situation, there is an increase in

a)

Metabolic activity

b)

Heart rate

c)

Blood pressure

d)

Blood sugar

e)

Respiratory rate

21.

Which of the following describes the similarity between the nervous system and the endocrine system?

a)

The signal is in the form of electrical impulses

b)

The response is slow and prolonged

c)

Contains target tissues or target organs

d)

Consists of ductless glands

22.

Which of the following is NOT a characteristic of hormones?

a)

Transported in blood flow

b)

Produces slow and prolonged response

c)

The duration of effect is short

d)

Only affect specific target cells

23.

A diabetes mellitus patient has a high blood sugar level. A possible reason of diabetes mellitus 糖尿病 is

a)

Insufficient secretion of insulin

b)

Insufficient secretion of glucagon

c)

Excessive secretion of insulin

d)

Excessive secretion of glucagon

24.

A patient of diabetes insipidus 尿崩症 faces the problem of producing a large amount of urine and often feeling thirsty. Why?

a)

The pituitary gland fails to secrete ADH

b)

The pituitary gland secretes excessive ADH

c)

Excessive amount of water is reabsorbed at the renal tubule and the collecting duct

d)

Too little or no water is reabsorbed at the renal tubule and the collecting duct

25.

Hypothyroidism is caused by _____________ thyroxine secretion, whereas hyperthyroidism is caused by ___________ thyroxine secretion.

a)

adequate, excessive

b)

inadequate, excessive

c)

adequate, insufficient

d)

inadequate, insufficient

26.

The photo shows the shortest and the tallest man in the world. The difference in height is mainly caused by the abnormality of ___________ secretion.

a)

Thyroxine

b)

Adrenaline

c)

Insulin

d)

Growth Hormone (GH)

27.

The image shows a patient who suffers from goitre. The ______________ of the patient swells 肿. The patient is encouraged to eat seafood because seafood contains a huge quantity of _________ which is required in the formation of ___________.

a)

Pituitary gland, vitamin K, growth hormone

b)

Pituitary gland, potassium, oxytocin

c)

Thyroid gland, iodine, thyroxine

d)

Thyroid gland, sodium, adrenaline

28.

Excessive secretion of insulin can cause the blood glucose level to be too low. This health issue is known as

a)

Diabetes mellitus

b)

Diabetes insipidus

c)

Hypothyroidism

d)

Hypoglycaemia

29.

Which of the following is NOT a function of hormones?

a)

Reproduction

b)

Immunity

c)

Growth

d)

Homeostasis

30.

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