Endocrine Flashcards

1
Q

_____ are specific tissue after on by each hormone

A

Target cells or tissues

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2
Q

____ are proteins that are specific for a hormone

A

Receptors

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3
Q

___ keeps a stimulus going

A

Positive feedback

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4
Q

A _____ is a hormone like substance made from fatty acids, they work where they’re made, good at causing inflammation and inducing labor

A

Prostaglandin

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5
Q

___ is hypothyroidism in adults

A

Myxedema

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6
Q

_____ is hypothyroidism in a child

A

Cretinism

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7
Q

Not enough ADH hormone causes

A

Diabetes insipidus

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8
Q

___ is where the pancreas does not produce adequate insulin

A

Diabetes mellitus

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9
Q

____ is a lack of GH from the anterior pituitary

A

Dwarfism

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10
Q

_____ is to much GH from anterior pituitary

A

Giantism

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11
Q

___ is to much GH from the anterior pituitary; causing big hands, feet and head

A

Acromegaly

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12
Q

___ ____ is to much hormone secretion from adrenal cortex

A

Cushing syndrome

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13
Q

____ _____ is where the adrenal cortex is not secreting enough hormones

A

Addison’s disease

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14
Q

_____ ____ is another term for hyperthyroidism

A

Graves’ disease

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15
Q

_____ ____ are cells in the pancreas that secretes glucagon

A

Alpha cells

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16
Q

____ ____ is cells in islets that secrete insulin

A

Beta cells

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17
Q

____ ____ keeps the level of hormone within a specific range. Reverses stimulus

A

Negative feedback

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18
Q

_____ ____ secrete a 3rd hormone? Sonatostatin and inhibits gastric motility and acid secretion and can work endocrine and exocrine from the pancreas (controller of metabolism)

A

Delta cells

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19
Q

_______ is equivalent to the ante-pituitary and is the MASTER pituitary gland

A

Adenohypophysis

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20
Q

_____________ is equivalent to posterior pituitary

A

Neurohypophysis

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21
Q

What protects the brain?

A

Bones and membranes/meninges

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22
Q

What’s the main functions of the nervous system (4 of these)

A

Communication
Coordination
Regulatory
Integration

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23
Q

What’s the nick name for cerebellum

A

“Little brain”

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24
Q

What is the hardest part of the brain and is located in the core of the brain

A

Cerebellum

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25
Compared to other regulatory systems the endocrine system regulates _____
Slowly and precisely
26
_____ ____ is a fine balance regulating the rate and quantity of secretions and reverses stimulus
Negative feedback
27
Duration of effects of this system are _____ where as the nervous system is quicker and shorter
Longer
28
____ _____ of hormones are major determining factor in hormone secretion
Blood levels
29
Endocrine glands are ___ hormones are released directly into body fluids (blood)
Ductless
30
Most hormones are made from this. Proteins or amino acids
Amino acid compounds
31
____ is steroids or cholesterol, progesterone, testosterone, aldosterone, cortisone and androgens
Lipids
32
____ ____ is more more more. Needs an external brake
Positive feedback
33
The endocrine system is widespread ____ and____ it effects are widespread from the brain to the pelvic area
Anatomically and psychologically
34
Pituitary, pineal gland is located
Head
35
Thyroid and parathyroid
Neck
36
Thymus
Mediastinum
37
Pancreas
Abdomen
38
Adrenals
Retroperitoneal
39
Ovaries, testes
Pelvic
40
``` Non endocrine glands other organs secreting hormones Brain Heart Kidneys Small intestines Placenta ```
Know
41
Hormone for kidneys
ADH
42
_____ promotes progesterone and testosterone secretion
LH
43
Stimulates the development of ovarian follicles in which egg cells mature and the development of sperm cells in the testes
FSH
44
___ stimulates milk production in breasts
Prolactin
45
_____ stimulates hormone production in the cortex of the adrenal glands
Adtenocorticotropic hormone ACTH
46
Stimulates the thyroid gland to produce thyroid hormones
TSH
47
___ is chemical messengers that regulate certain cells or organs
Hormones
48
___ can also be defined as internal secretions that regulate
Hormones
49
_____ or _____ _____ are tissues that connect with it work on are the target tissue. They have receptors in their membranes or cytoplasms of the cells to which the hormone attaches like a lock and key mechanism
Certain it specific cells
50
Adipose tissue produces ___ a hormone that controls appetite and Gastrin for STOMACH
Leptin
51
The kidneys produce a hormone called _____ which stimulates red blood cell production in the bone marrow. Production of this increases when there’s decreased o2 in the blood
Erythropoietin
52
The atria of the heart produce a substance called ____ ____ ____ in response to their increased filling with blood. This increased sodium excretion by the kidneys and lowers BP
Atrial natriuretic peptide (ANP)
53
Why is the pituitary hypophysis the Master gland?
Because it’s hormones affect other glands “trophins” found in sphenoid bone
54
An ____ connects the hypothalamus and the pituitary gland
Infundibulum
55
By the hypothalamus ____ or ____ stimulates, regulate and inhibit
RH or IH
56
Anterior pituitary adenohypophysis has what hormones and is a portal system- special circulatory “detour”- shunts some blood with hormones to the anterior pituitary
TSH, acth, PRL, FSH/LH, ICSH(in men)
57
Posterior pituitary has what hormones and they are made in the hypothalamus and stored in and released from posterior pituitary
ADH and oxytocin (OT)
58
Nerves run from the hypothalamus to the posterior pituitary in the infundibulum
Know
59
Thyroid hormones are ____ and ____ and ____ both are for metabolism
T4 thyroxine tetraiodothyronine- main hormone. T3- triiodothyronine And calcitonin
60
Parathyroid hormone?
Parathyroid hormone
61
Where is the adrenal (suprarenal)
On top of the kidneys
62
Medullas hormones are ___ and __\\
Epinephrine and norepinephrine
63
Cortex senses?
Sweet, salty, sexy
64
Glucocorticoids-corticosteroids-cortisol (hydrocortisone) Mineralocorticoids-aldosterone (Na+) Sex hormones-androgens-mainly male
Know
65
Pancreas location
Behind stomach Islets of langerhans
66
Beta cells secrete
Insulin
67
Alpha cells secrete
Glucagon
68
Delta secretes
Somatostatin
69
____ is between the cerebral hemispheres of the brain (posterior brain)
Pineal
70
____ is only secretes in dark periods
Melatonin
71
_____ is “mystery gland” in mediastinal region
Thymus
72
_____ for maturation if T lymphocytes (thus immunity)
Thymosins
73
Sex glands (gonads) ovaries in pelvic cavity of female
Know
74
Ovarian follicles secrete
Estrogen
75
Corpus luteum secretes
Progesterone
76
Testes are In the pelvic area of a male and secretes
Testosterone
77
Hypothalamus hormone is ____ and does what
Releasing hormones and controls the release of anterior pituitary hormones
78
Hypothalamus and posterior pituitary hormone is _____ & ___ and does what
ADH and promotes water reabsorption in the kidney tubules at high concentration, stimulates construction of blood vessels Oxytocin- causes uterine muscle contraction and causes milk ejection from mammary glands
79
Anterior pituitary hormones GH- promotes growth of all tissues TSH- stimulates thyroid gland to produce thyroid hormones ACTH- stimulates adrenal cortex to produce glucocorticoids and androgens PRL(prolactin)- stimulates milk production by mammary glands FSH- stimulates growth and hormonal activity of ovarian follicles and growth of testes, promotes sperm cell development
LH- initiates ovulation( corpus luteum formation an progesterone production in the female, stimulates testosterone secretion in male
80
Thyroid hormones ___&____ and functions
Thyroxine T4 and triiodothyronine T3 - increased metabolic rate influencing both physical and mental activities required for normal growth.
81
Parathyroids hormone function
Regulates exchange of calcium between blood and bones and increases calcium level in blood
82
Adrenal medulla hormone and functions
Epinephrine and increased blood pressure and heart rate and activates cells influenced by sympathetic nervous system plus many not supplied by sympathetic nerves
83
Adrenal cortex hormones and functions
Cortisol- increases blood glucose in response to stress Aldosterone - promotes salt (water) retention and k+ excretion Weak androgens-contribute to some secondary sex characteristics in women
84
Pancreatic islets hormone and function
Insulin- reduces blood glucose concentrations by promoting glucose uptake into cells and glucose storage and promotes fat and protein synthesis Glucagon- stimulates the liver to release glucose increasing blood glucose levels
85
Hormone for GI?
Somatostatin-gastric acid secretion, intestinal absorption, and motility. .
86
Ovaries hormone and function
Estrogen- growth of primary sec organs and development of secondary sex organs Progesterone- stimulates development of mammary glands secretory tissue uterine lining for implantation of fertilized ovum and aids im maintaining pregnancy
87
Testes hormone and function
Growth and development of sexual organs plus development of secondary characteristics and stimulates sperm cell maturation
88
Pineal gland hormone and function
Melatonin and regulates mood sexual development and daily cycles in response to the amount of light in the environment