Endocrine System Flashcards

1
Q

The endocrine system is made up of glands, tissue, and cells that secrete ____________

A

Hormones

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2
Q

Endocrine glands release hormones directly into the__________

A

Bloodstream

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3
Q

Unlike exocrine glands, endocrine glands do not have ________________

A

Ducts

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4
Q

Endocrine glands receive a very good supply of ___________

A

Blood

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5
Q

Hormone secretion is influenced by three types of stimuli:___________, hormonal and humoral.

A

Neural

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6
Q

An example of a neural stimulus is ____________

A

Nerve fibres

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7
Q

Hormonal stimuli refer to hormones from other _______________

A

Glands

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8
Q

Humoral stimuli are blood-borne stimuli, such as rising blood ____________ level.

A

Glucose

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9
Q

The ___________, __________ and ________are the endocrine glands found in the brain.

A

Hypothalamus
Pituitary Gland
Pineal Gland

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10
Q

The __________ gland is located in the neck.

A

Thyroid

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11
Q

The parathyroid gland is an endocrine gland found in the _______________

A

(Body) Embedded in posterior surface of the thyroid gland

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12
Q

The brain contains ____________ endocrine glands.

A

Three (3)

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13
Q

The _______________ is found in the brain and is attached to the roof of the third ventricle.

A

Choroid plexus

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14
Q

The hypothalamus is part of the ____________ of the brain.

A

Diencephalon

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15
Q

The hypothalamus carries out many functions through its connection with the ___________ gland.

A

Pituitary

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16
Q

The hypothalamus regulates _____________ functions of the body.

A

Primitive

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17
Q

What are the functions carried out by the hypothalamus __________ and ____________.

A

Temperature
Hunger.

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18
Q

The hypothalamus controls the __________ system

A

Endocrine

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19
Q

The __________ gland is located in the neck.

A

Thyroid

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20
Q

The hypothalamus secretes a total of __________hormones.

A

Eight (8)

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21
Q

All 8 hormones secreted by the hypothalamus are sent to the __________gland.

A

Pituitary

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22
Q

The hypothalamus connects to the pituitary gland through ______________ and nerves.

A

Blood vessels

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23
Q

The specialized blood vessel system connecting the hypothalamus to the pituitary gland is called the _______________ portal ststem.

A

Hypothalamo-hypophyseal.

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24
Q

The nerve tract connecting the hypothalamus to the pituitary gland is called the _____________ tract.

A

Hypothalamo-hypophyseal

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25
Q

_____________ releasing hormone promotes the secretion of thyroid stimulating hormone and prolactin.

A

Thyrotropin

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26
Q

_______________releasing hormone promotes the secretion of adrenocorticotropic hormone.

A

Corticotropin

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27
Q

______________ releasing hormone promotes the secretion of follicle stimulating hormone and luteinizing hormone.

A

Gonadotropin

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28
Q

____________releasing hormone promotes the secretion of growth hormone.

A

Growth hormone

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29
Q

_____________ releasing hormone inhibits the secretion of prolactin.

A

Prolactin

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30
Q

__________inhibits the secretion of growth hormone and thyroid stimulating hormone.

A

Somatostatin

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31
Q

___________ is involved in reproductive functions.

A

Oxytocin

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32
Q

__________hormone increases water retention by the kidney and reduces urine volume.

A

Antidiuretic

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33
Q

The pituitary gland is also known as the _______.

A

Hypophysis

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34
Q

37: The pituitary gland is a small gland situated ____________the hypothalamus.

A

Below

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35
Q

The ___________ connects the pituitary gland to the brain.

A

Infundibulum (stalk)

36
Q

The pituitary gland is located in the _________ of the sphenoid bone.

A

Sella turcica

37
Q

During pregnancy the pituitary gland__________ in size.

A

Doubles

38
Q

The pituitary gland is often referred to as the _____________ endocrine gland.

A

Master

39
Q

The pituitary gland has two lobes: the anterior and the __________ lobes.

A

Posterior

40
Q

The anterior lobe of the pituitary gland is also known as the ____________

A

Adenohypophysis

41
Q

The posterior lobe of the pituitary gland is also known as the ________

A

Neurohypophysis

42
Q

The anterior lobe of the pituitary gland receives _________of the eight hormones from the hypothalamus.

A

Six (6)

43
Q

These six hormones from the hypothalamus trigger the release of _____________ other hormones from the anterior pituitary.

A

Six (6)

44
Q

The posterior lobe of the pituitary gland serves as a ___________ for oxytocin and antidiuretic hormone.

A

Holding cell

45
Q

These two hormones stored in the posterior pituitary are produced in the__________

A

Hypothalamus

46
Q

The posterior pituitary gland does not ________ its own hormones.

A

Secrete

47
Q

The hypothalamo-hypophyseal portal system connects the hypothalamus to the lobe of the_________pituitary gland.

A

Anterior

48
Q

The hypothalamo-hypophyseal nerve tract connects the hypothalamus to the ___________ lobe of the pituitary gland.

A

Posterior

49
Q

The hypothalamus secretes __________ hormones.

A

Eight (8)

50
Q

The anterior pituitary is activated to produce ________ new hormones.

A

Six(6)

51
Q

The posterior pituitary serves only as a _______ location for hormones.

A

Storage

52
Q

The pineal gland is a ________ gland.

A

Small

53
Q

The pineal gland is part of the ___________ of the brain.

A

Diencephalon

54
Q

The pineal gland is attached to the roof of the ____________ ventricle of the brain.

A

Third (3rd)

55
Q

The pineal gland has a rich __________ supply.

A

Blood

56
Q

The pineal gland plays a role in regulating ___________ rhythms.

A

24-hour circadian

57
Q

_________ is the hormone secreted by the pineal gland.

A

Melatonin

58
Q

Melatonin inhibits ___________ hormone secretion from the anterior pituitary.

A

Gonadotropin

59
Q

The ____________ gland is the largest “pure-endocrine” gland in the body.

A

Thyroid

60
Q

The thyroid gland has an excellent ___________ supply.

A

Blood

61
Q

The thyroid gland is located ___________ to the trachea.

A

Anterior

62
Q

The thyroid gland lies ________ to the infrahyoid muscles.

A

Deep

63
Q

The __________ fascia layer covers the thyroid gland.

A

Pre-tracheal

64
Q

The thyroid gland has two________lobes.

A

Lateral

65
Q

An __________ connects the two lobes of the thyroid gland.

A

Isthmus

66
Q

In some cases the thyroid gland has a third lobe called the _________ lobe.

A

Pyramidal

67
Q

The thyroid gland secretes _________ hormones into the bloodstream.

A

Three (3)

68
Q

_____________ is one of the hormones secreted by the thyroid gland.

A

Thyroxine

69
Q

____________ is one of the hormones secreted by the thyroid gland.

A

Triiodothyronine

70
Q

____________ is a hormone secreted by the thyroid gland that regulates calcium levels in the blood.

A

Calcitonin

71
Q

There are ___________ parathyroid glands.

A

Four (4)

72
Q

The parathyroid glands are situated on the__________ surface of the thyroid gland.

A

Posterior

73
Q

The parathyroid glands are ______ part of the thyroid gland.

A

NOT

74
Q

A __________ separates the parathyroid glands from the thyroid gland.

A

Capsule

75
Q

____________ hormone is secreted by the parathyroid glands.

A

Parathyroid

76
Q

The function of parathyroid hormone is to stimulate bone____________

A

Resorption

77
Q

Parathyroid hormone also functions to reduce urinary _________ levels.

A

Calcium

78
Q

The endocrine system plays a crucial role in maintaining____________

A

Homeostasis

79
Q

Endocrine disorders can result from the _____________ or __________ of hormones.

A
  • Overproduction
  • Underproduction
80
Q

____________ is a condition caused by an underactive thyroid gland.

A

Hypothyroidism

81
Q

______________ is a condition caused by an overactive thyroid gland.

A

Hyperthyroidism

82
Q

____________ is a hormone that regulates blood sugar levels.

A

Insulin

83
Q

_______________ is a condition characterized by high blood sugar levels due to problems with insulin production or action.

A

Diabetes

84
Q

The ____________ gland secretes hormones that influence growth and development.

A

Pituitary

85
Q

_____________ are chemical messengers that travel through the bleedetream to target celle.

A

Hormones