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WorksheetsTHE ENDOCRINE SYSTEM
Total questions: 60
Worksheet time: 40mins
What is the function of endocrine gland?
Secrete mucous
Secrete hormone
Secrete protein
Secrete sweats
What is the purpose of hormone in our body?
To evoke a specific response in other cells
To influence the rate of secretion of other cell
To allow respiratory gas exchange
To conduct nerve impulses receive from receptor to effector
Endocrine glands consists of .. ?
Secretory cells
Extensive networks of capillary
Ciliated cells
Lobules
Most hormone are synthesized from .. ?
Amino acids
Steroids
Protein
Lipid
How does hormones evoke a specific response of targeted cell?
Binds to a specific receptor and influence metabolic reactions
Binds to cell membrane and influence metabolic reactions
Binds to a specific receptor and open hormone channel
Binds to cell membrane and open hormone channel
Hormones are also known as ... ?
Physical messenger
Lipid messenger
Amino acid messenger
Chemical messenger
Choose the CORRECT hormone functions.
Regulation of growth and development
Homeostatic control
Control of reproductive system processes
Synthesizing nerve impulses
What is gland 2?
Pineal
Pituitary
Thyroid
Thymus
What is gland 1?
Pineal
Pituitary
Thyroid
Thymus
What is gland 3?
Pineal
Pituitary
Thyroid
Thymus
What is gland 4?
Pineal
Pituitary
Thyroid
Thymus
What is gland 5?
Ovary
Adrenal
Testes
Pancreatic
What is gland 6?
Ovary
Adrenal
Testes
Pancreatic
What is gland 7?
Ovary
Adrenal
Testes
Pancreatic
What is gland 8?
Ovary
Adrenal
Testes
Pancreatic
Hormones are transported throughout the body by ... ?
Blood
Lymph
Saliva
Gastric juice
What is target cells?
Cells with receptors for a given hormone
Cells with targeted immune response
Cells formatted to lyse
Cells responsible to fight pathogens
Receptors on target cells might be .. ?
On cell surface
Internal to cytoplasm
Internal to nucleus
In mitochondria
There are two classes of hormone, which are .. ?
Steroid
Non steroid
Protein
Lipid
Name ONE steroid hormone.
Name ONE non-steroid hormone.
Which of these is steroid hormone?
Cortisol
Epinephrine
Insulin
FSH
Choose the CORRECT steroid hormone's characteristics.
Lipid soluble
Target cell's receptor in the cytoplasm/nucleus
Hormone-receptor complex binds to DNA and stimulate reaction
Move across membrane with the help of protein channel
Choose the INCORRECT characteristic of amino acid/peptide/protein/non-steroid hormones.
Bind with receptor and cause Ca channel open (Ca influx)
target cell's receptor on cell membrane
cAMP molecules activate reaction
Diffuse into cell via protein channel
What is calmodulin?
When Ca binds with protein due to non-steroid hormone binds with cell surface receptor
When Na binds with protein due to non-steroid hormone binds with cell surface receptor
When Ca binds with protein due to steroid hormone binds with cell cytoplasm receptor
When Na binds with protein due to steroid hormone binds with cell cytoplasm receptor
cAMP is a .. ?
Intracellular second messenger
Extracellular second messenger
Intracellular first messenger
Extracellular first messenger
Gland 2 is also known as .. ?
The master gland
The secondary gland
The primary gland
The ruler gland
Choose the hormones synthesized by the posterior lobe of gland 2.
Oxytocin
Growth hormone
Anti Diuretic Hormone
FSH
Gland 2 synthesize a hormone that controls the production & secretion of hormones by the adrenal cortex.
What is this hormone?
Corticotropin
Growth hormone
Prolactin
FSH
Gland 2 synthesize a hormone that starts & maintains milk production in mammary glands.
Where in gland 2 does this hormone synthesized?
Cortex
Medulla
Posterior
Anterior
TSH is a hormone synthesized at the anterior lobe of gland 2. What is the function of TSH?
Stimulates production or secretion of thyroid hormones.
Control reproductive function
Controls growth & body development
Retain water and together with aldosterone
This is pituitary gland. Choose the CORRECT hormones that synthesized at the green zone of pituitary gland. (based on the picture)
Prolactin
Corticotropin
Anti Diuretic Hormone
Growth hormone
How does elevated cortisol in blood affect the release of Corticotropin (ACTH) ?
Cortisol released by adrenal that is stimulated by ACTH. High cortisol suppress the release of ACTH and CRH
Cortisol released by adrenal that is stimulated by ACTH. High cortisol encourage the release of ACTH and CRH
Cortisol released by adrenal that is stimulated by ACTH. High cortisol stimulate the release of ACTH and CRH
Cortisol released by adrenal that is stimulated by ACTH. High cortisol restore the release of ACTH and CRH
When someone suffer from hypoglycemia, which hormone stimulated and increased?
hGH
GHIH
GHRH
IGF
When someone suffer from dehydration and hypotension, which hormone is stimulated?
GH
ADH
ACTH
PRL
Hypotension stimulates ... from hypothalamus and later activate the release of ... from posterior lobe of pituitary gland. Water retention increases, sweat glands decrease water loss and arterioles constrict. Blood pressure returns normal.
Osmoreceptor, ADH
ACTH, ADH
GHIH, osmoreceptor
GHRH, ACTH
Gland 5 can be divided into two layers, which are .. ?
Medulla
Anterior
Posterior
Cortex
Medulla of gland 5 produce .. ?
NE
Aldosterone
Cortisol
E
Cortex of gland 5 produce .. ?
NE
Aldosterone
Cortisol
Androgen
Medulla of gland 5 is controlled by .. ?
Sympathetic nerve
Parasympathetic nerve
Cranial nerve
Spinal nerve
What are the roles of neurotransmitter produced by adrenal medulla?
Vasodilation of vessels to brain, muscles, heart
Contract smooth muscle strongly
Speed up heart rate
Increase mental alertness
Decrease glucose level
Which cells of gland 6 produce hormone?
Islets of Langerhans
Endothelial cell
Epithelial cell
Smooth muscle cell
Alpha cells of Langerhans secrete .. ?
Glucagon
Insulin
Glucose
Cortisol
Beta cells of Langerhans secrete .. ?
Glucagon
Insulin
Glucose
Cortisol
How does insulin lowers blood glucose level?
Stimulate target cells to take up glucose
Stimulate target cells to store glucose as glycogen
Stimulate target cells to convert glycogen to glucose
Stimulate the conversion of amino acid to glucose
Secretion of insulin and glucagon by alpha and beta cells of Langerhans is controlled directly by .. ?
Concentration of blood glucose
Concentration of blood pressure
Concentration of oxygen
Concentration of carbon dioxide
When someone suffers from low metabolic rate (or low T3&T4), what happens?
Stimulate release of TRH → stimulate TSH → stimulate thyroid follicular cell
T3 inhibits TRH and TSH
Stimulate thyroid follicular cell → stimulate TSH → stimulate release of TRH
T3 stimulate Ca influx
What are the roles of thyroid hormone?
Increase basal metabolic rate
Increase body temperature
Stimulate protein synthesis
Lower the use of glucose for ATP production
What does parathyroid hormone do?
Promote release of Ca
Slow the loss of Ca in urine
Increase blood Ca level
Inhibits osteoclasts
What are the hormones synthesize by kidneys?
EPO
Renin
Angiotensin
Aldosterone
Aldosterone is secreted by adrenal gland when .. ?
Angiotensin 2 stimulate
Low blood pressure
High blood Na level
Angiotensinogen stimulate
When someone suffers from hypertension, the heart release .. ?
ANP
ADH
PRL
FSH
Gland 7 produce .. ?
Estrogen
Progesterone
Testosterone
FSH
What are the functions of progesterone in female reproductive system?
Prepares the lining of the uterus for implantation of a fertilized egg
Prepare the mammary glands to secrete milk
Controls the development of female sex characteristics
Controls the ovulation of ovarian cycle
Gland 8 produce .. ?
Estrogen
Progesterone
Testosterone
FSH
The gastrointestinal tract produce ... hormone.
Cholecystokinin
Cholesterol
Cortisol
Aldosterone
What are the roles of cholecystokinin?
Controls peristalsis
Increase gallbladder contraction
Produce gastric juice
Produce bile salts
The leptin hormone is produced by .. ?
Adipose tissue
Adrenal gland
Pancreas
Kidney
What is the function of leptin hormone?
Controls sleepiness
Controls appetite
Controls blood pressure
Controls emotion
The pineal gland produce .. ?
Melatonin
Cortisol
Androgen
Epinephrine
