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ENDOCRİNE SYSTEM
1-Which of the following hormones makes its function in the own secrete organ ?
a) Adrenalin b) Secretin c) Cortisol
d) Progesteron e) Gastrin
2-Which of the following glands is not paired with the hormone it produces ?
a)Adrenal cortex Cortisol b)Pituitary A.C.T.H c)Throid Calcitonin
d)Parathyroid Thyroxine e) Ovarium Estrogen
3-Which of the following organ does not secrete hormone ?
a) Pituitary gland b) Thyroid c) Plasenta
d) Small intestine e) Liver
4-Which of the following does not secrete from pituitary glands ?
a) FSH b) STH c) ADH d) Aldosteron e) Groth hormone
5-Which of the following hormone is not located in the plants ?
a)Insulin b)Cortisol c)Acetylcholine d)Gastrin e)Glucagon
6-Which one is a mixed gland ?
a) Pancreas b) Pituitary c) Thyroid
d) Adrenal glands e) Hypothalamus
7-Which is not secreted from anterior pituitary ?
a) GH b) ACTH c) ADH d) TSH e) Prolactin
8-In liver cells to increase the conversion of glycogen into glucose and to increase the blood glucose concentration, what changes can be seen in the amount of insulin, glucagon and adrenalin ?
a) Increase Decrease Decrease
b) Increase Decrease Increase
c) Decrease Increase Decrease
d) Decrease Increase Increase
e) Increase Increase Increase
9- If the blood calcium concentration lows below to normal, which hormone from which gland is secreted ?
Gland Hormone
a) Thyroid Thyroxine
b) Pancreas Insulin
c) Parathyroid Parathormone
d) Thyroid Calsitonin
e) Pituitary Calsitonin
10- Hormones are distrubuted through the body by
a) Blood plasm b) Ducts c) Lacteals
d) Endocrines e) Enzymes
11- Auxin serves to increase the rate of
a) Digestion b) Circulation c) Reproduction
d) Growth e) Variation
12- The adrenal glands is located next to the
a) Liver b) Brain c) Bladder d) Kidney e) Neck
13- ------------------------- produces hormones that affect the secretion of pituitary hormones
a) Cerebrum b) Cerebellum c) Medulla d) Spinal cord e) Hypothalamus
14- Which of the following hormones is produced by the thyroid?
a)thyroxin b) triiodothyronine c) calcitonin
d) all of the above e) none of the above
15- Which of the following hormones are secreted by the adrenal medulla?
a)cortical sex hormones and aldosterone
b)aldosterone and adrenaline
c) noradrenalin and adrenaline
d)cortisone and noradrenalin
e)none of the above
16.Vasopressin and oxytocin are two hormones associated with the
a)posterior pituitary b) anterior pituitary c) pineal gland d)thyroid e) thymus
17-Which of the following is not a function of the hormone auxin?
a)it causes the plant to bend and elongate towards the light
b)it directs the tissue differentiation in the vascular cambium
c)it stimulates development of lateral buds and inhibits growth of the terminal bud
d)it controls the shedding of leaves, flowers, fruits, and branches
e)it determines growth correlations of plant parts.
18-What is the most vital function of gibberellins in plants?
a)to lengthen stems and stimulate seed germination
b)accelerating the rate of division of cells
c)stimulating the elongation of the cells
d)acts as a growth inhibitor of the stems and leaves
e)promotes the shedding of branches and leaves
19-Which of the following hormones is produced by the leaves of the plant and is responsible for flowering?
a) phytochrome b) auxin c) gibberrelin d) florigen e) cytokinins
20-In which part(s) of the plant is the hormone florigen produced?
a)leaves b)stems c)roots d)all of them e) none of them
21- Following organs are all endocrine structures.
I. Hypothalamus
II. Pituitary gland
III. Ovary
IV. Placenta
Which of these are involved in the hormonal regulation of the female menstrual cycle ?
A) 1,2 B) 2,4 C) 1, 2,3 D) 1, 2, 4 E) 2, 3,4
22- Blood from a marathon runner near the end of a race will contain all of the following EXCEPT:
A. decreased glucose.
B. increased insulin.
C. increased glucagon.
D. increased free fatty acids.
E. increased glycerol
23- Increases in parathyroid hormone concentration result in all of the following EXCEPT:
A. increased absorption of Ca++ from the intestine.
B. increased synthesis of Vitamin D3.
C. increased release of Ca++ into the blood by the osteoclasts.
D. increased Ca++ uptake by the bones.
E. increased blood Ca++.
1. auxin
2. cytokinin
3. gibberellin
4. ethylene
5. abscisic acid
24- Inhibits growth; closes stomata during water stress.
a. 1 b. 2 c. 3 d. 4 e. 5
25- Stimulates cell division by influencing the synthesis or activation of proteins required for mitosis.
a. 1 b. 2 c. 3 d. 4 e. 5
25- Acts by increasing the plasticity of the cell wall.
a. 1 b. 2 c. 3 d. 4 e. 5
26- A gas that hastens fruit ripening.
a. 1 b. 2 c. 3 d. 4 e. 5
27- Promotes internode elongation; promotes germination of certain
seeds.
a. 1 b. 2 c. 3 d. 4 e. 5
28- Insulin
a. is produced by liver
b. is produced by kidney
c. is produced by pancreas
d. is produced by brain
29- Hormones
a. are molecular messengers
b. travel to target tissues or cells by means of blood.
c. are potent even at extremely low blood concentrations.
d. ALL of the above
30-TSH is secreted by the
a. adrenal gland
b. pancreas
c. thyroid gland
d. parathyroids
e. hypophysis
31- ACTH is secreted by the
a. adrenal gland
b. pancreas
c. thyroid gland
d. parathyroids
e. hypophysis
32- Oxytocin is secreted by the
a. adrenal gland
b. pancreas
c. thyroid gland
d. parathyroids
e. hypophysis
33- Glucagon hormone
a. stimulates glycogenolysis in hepatocytes
b. levels will be high during starvation states
c. is made by alpha cells of pancreas islets
d. ALL of the above
34- ADH hormone
a. is released from the neurohypophysis
b. stimulates water reabsorption from kidney
c. stimulates arteriole smooth muscle to contract
d. ALL of the above
35- adrenal glands
a. neck
b. brain
c. on top of kidneys
d. pancreas
e. None of the above
36- islets of langerhans
a. neck
b. brain
c. on top of kidneys
d. pancreas
e. None of the above
37- hypothalamus
a. neck
b. brain
c. on top of kidneys
d. pancreas
e. None of the above
38- thyroid gland
a. neck
b. brain
c. on top of kidneys
d. pancreas
e. None of the above
39- parathyroid glands
a. neck
b. brain
c. on top of kidneys
d. pancreas
e. None of the above
40-Which of the following structures does not
secrete hormones?
A) root meristem
B) shoot meristem
C) young leoves
D) embryo vessels
E) phloem vessels
41-Which of the following is not the function of the plant hormone,auxin?
A)facilitationof cell division B)facilitation of the cell growth
C) maintenance of the cell growth of root and stem
D) the fall of leaves
E)to arrest the growth of competitors in the immediate area of the plant
42-Which of the following is not the function of the hormones?
A)to carry out reproduction B) to carry out development
C) to regulate the water and mineral balance of the body
D) to adjust the level of glucose in the blood
E) to manage cellular activity
43-In which of the following options are the hormone and disease of the deficiency unrelated?
Deficiency Disease
B) aldosterone addisons disease
C) insulin diabetes mellitus
D) somatotrophin acromegaly
E) cortisol cretinism
44- 1. hormones
2. vitamins
3. minerals
4. enzymes
Which of the above regulatory structures is directly ingseted into our body from the external environment?
A) 1 and 4 B) 2 and 4 C) 2 and 3 D) 1 and 2 E) 1 and 3
45-Which of the following accurately describes a phototropism?
A) bending of plant towards the light
B) opening of stoma during the night and their closure during day light
B) opening and closure of a flower of a plant
C) irritability of a plant to physical stimuli
E) motion of euglena towards lıght
46-Which of the following is not a function of plant hormones?
A) maturation of fruits
B) to arrest the growth of competitors in the immediate area of the
C)continuation of pollination
D) increase the growth
E) facilitation of seed germination
47-Which of the following are not characteristics of hormones?
A) a steroid structure
B) an amino acid structure or its derivatives
C) a structure released into the blood
D) they have an effect on the plasma membrane and nucleus
E) they affect only the DNA molecule
48- 1. thyroid gland
2. hypothalamus
3. epiphysis
4. thymus gland
5.pituitary
Which of the above endocrine structures arev located within then human brain?
A) 1 and 3 B) 2-4 C) 2-3-5 D) 3-4-5 E) 1-4
49-Which of the following accuretaly describes the concentration of vitaminD,parathormone and calcitonin when the level of calcium in the blood is sufficient?
Vitamin Parathormone Calcitonin
B) high low high
C) high high high
D) low high low
E) low low low
50-Which of the following hormones is secreted by the islets of Langerhans and in which organ?
Origin Hormones
A)parathyroid parathormone
B) thyroid thyroxine,calcitonin
C) adrenal aldosterone,cortisol
D) pancreas insulin and glycogen
E) ovaries estrogen, androgen
51-Which of the following examples of tropism differs from the others?
A) negative geotropism of roots due to high salinity of the soil
B) sigmonasti of mimosa plants
C) hydrotropism of sardunia
D) the phototropism of sunflowers
E) thigmotropism of ivy
52- 1.hypothalamus
2.TRF
3. pitıitary
4. thyroid
5. thyroxine
Which of the following correctly describes the sequence of events their results in the production of thyroxine?
A) 1-2-3-4-5 B) 2-3-4-5-1 C) 3-2-4-5-1 D) 2-3-5-4-1 E) 3-5-2-4-1
53-Which of the following glands is not paired with the hormone it produces?
A) adrenal cortex-cortisol
B) pituitary-A.C.T.H
C) thyroid-calcitonin
D) parathyroid-thyroxine
E) avarium-estrogen.
54- Which of the following is not the function of hormones?
A) to carry out reproduction
B) to carry out development
C) to regulate the water and mineral level of the body
D) to regulate the level of glucose
E) to controls cellular activity
55- Which of the following is not function of plant hormones?
A) maturation of fruits
B) continuation of pollination
C) increase in growth
D) increase of seed germination
E) decrease of plant growth
56- Which of the following are not characteristics of hormones?
A) It may be steroid structure
B) It may be amino acid
C) It is released into they effect only the DNA
D) a structure released into the blood
E) they have an effect on the plasma membrane and nucleus
57- I-their effect is slow
II- their effect is long time
III- transported by blood
Which of the above is/ are property/ies of hormone?
A)I B) II-III C) I-II-III D) II E) III
58- The corpus luteum secretes a hormone that prepares the uterus for implantation. This hormone is most likely
A- a luteinizing hormone
B- a follicle-stimulating hormone
C- estrogen
D- progesterone
E- chorionic gonadotropin
59- Which of the following hormones is NOT correctly matched with a known function of that hormone?
A- Insulin-Glucose metabolism
B- Calcitonin-Calcium metabolism
C- Parathyroid hormone-Calcium metabolism
D- Aldosterone-Electrolyte balance
E- Erythropoietin-White blood cell regulation
60-Behaviaoral response of animals are most directly regulated by which of the following systems?
(A)Digestive and exsretory
(B)Endocrine and nervous
(C)Muscular and integgumentary
(D)Reproductive and respiratory
(E)Skeletal and circulatory
61-The principle function of thyroxine produced by the thyroid gland is to
(A) stimulate the maturation of gamets
(B) stimulate insulin production
(C) stimulate general metabolism
(D) promote sexual differentiation
(E) inhibit growth
62-Which of the following is an excorine gland?
A) salivary gland
B) pitutary
C) throid
D) parathroid
E) mammary
63-Which of the following is a mixed gland?\salivary gland
A) Pitutary
B) Pancrease
C) Adrenal gland
D) All
64-Which of the following pairing is incorrect?
A) pancrease-glucagen
B) pitutary-GH
C) adrenal cortex-ADH
D) thyroid-thyroxin
E) ovary-estrogen
65-The hypo secretion of the GH during childhood causes _______
A) goitregigantism
B) acromagali
C) dwarwish
D) cretiism
66-Which of the following is needed for thyroxin synthesis?
A) iodine
B) calcium
C) vitamin
D) carbohydraid
E) lipid
67-The rising of blood Calcium concentration causes the secretion of _______
A) thyroxin
B) calcitonin
C) parathormone
D) adrenalin
E) insulin
68-Oxytosin and ADH are produced by the
Hypothalamus and stored in the posteriorpitutary
Thymus and stored in the thyroid
Adrenal cortex
Gonads
69-All the following statements about endocrine glands are correct exept:
A) the throid gland participates in blood pH regulation
B) the adrenal medulla produces the fight or flight responses
C) the pancrease helps to regulate blood sugar level
D) the pitutary participates in regulation of the gonads
E) the adrenal cortex produces aldesteron
70-Which is not a steroid hormone?
A) estrogen
B) testosteron
C) progesteron
D) insulin
71-Which is not endocrine gland?
a. liver
b. pancreas
c. adrenal gland
d. pineal gland
e. testes
72-Edocrine structures derived from nervous tissue include
a. the thymus and thyroid gland
b. the ovaries and testes
c. the liver and pancreas
d. the anterior pituitary and adrenal medulla
e. the posterior pituitary and adrenal medulla
73-Oxytocin and ADH are produced by the
a. hypothalamus and stored in the posterior pituitary
b. anterior pituitary
c. thymus and stored in the thyroid
d. adrenal cortex
e. gonads
74-All the following statements about endocrine glands are correct EXCEPT:
a. the thyroid gland participates in blood pH regulation
b. the adrenal medulla produces the fight or flight responses
c. the pancreas helps to regulate blood sugar level
d. the pituitary participates in regulation of the gonads
75- Which of the following in the exocrine gland?
a)salivary gland b)pituitary c)thyroid d)parathyroid e)mammary
76-Which of the followings are incorrect?
a)pancreas-glucagon b)pituitary-GH c)adrenal-cortex-ADH d)thyroid-thyroxin e)ovary-estrogen
77-Which of the following is needed for the thyroxin synthesis?
a)iodine b)calcium c)vitamin d)carbohydrate e)lipid
78- The rising of blood calcium concentration caused the secretion of________
a)thyroxin b)calcitonin c)parthormone d)adrenaline e)insulin
79-Oxytocin and ADH are produced by the
a)hypothalamus b)anterior pituitary c)thymus and stored in the thyroid d)adrenal cortex e)gonads
80- All the following statements about endocrine glands are correct EXCEPT:
a)The syroid gland participates in blood pH regulation
b)the adrenal medulla produces the flight or fightresponces.
c)the pancreas helps to regulate blood sugar level.
d)the pituitary participates in the regulation of the gonads
e)the adrenal cortex produces aldosteron
81-Which of the following is a hormonal disorder?
a)diabetes mellitus b)dwarfism c)goitre d)cretinism e)all of them
82-Which of the following is not a property of the pituitary gland?
a)It is known as master gland
b)It is connected to hypothalamus
c)It controls the activities of all other endocrine glands
d)its anterior lobe is the most active one among other lobes
e)Its posterior lobe secretes ADH and oxytocin
83- Which of the following plant hormones causes phototropism?
a)auxin b)cytokinin c)abcisic acid d)giberellin e)ethylene
84-Gibberellins affect plants by
A. stimulating growth B. retarding growth C. causing leaf fall
D. ripening fruits E. setting fruits without seed formation
85- Color changes in such animals as the chameleon result from changes
A. melanin | B. cytochromes C. phytochromes D. chromoplasts E. chromatophores
86- is a pituitary hormone influencing reproduction
A. follicle-stimulating hormone B. Insulin C. parathyroid hormone D.progesterone E. testosterone
87- helps prepare the uterus wall for nurture of an embryo
A. follicle-stimulating hormone B. Insulin C. parathyroid hormone D. progesterone E. testosterone
88- is produced by the pancreas
A. follicle-stimulating hormone B. Insulin C. parathyroid hormone D. progesterone E. testosterone
89- controls calcium levels in the body
A. follicle-stimulating hormone B. Insulin C. parathyroid hormone D. progesterone E. testosterone
90- stimulates the growth of facial hair
A. follicle-stimulating hormone B. Insulin C. parathyroid hormone D. progesterone E. testosterone