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Endocrinology > physiology > Flashcards

physiology Flashcards

1
Q

List the main endocrine glands

A 
Thyroid
Parathyroid
Hypothalamus
Pituitary
Adrenals
Pancreas
Placenta
Ovaries/testes
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2
Q

What are the 3 subtypes of hormone?

A

Peptide hormones
Steroid hormones
tyrosine derived

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3
Q

What are the types of hormone receptor?

A

GPCR
Tyrosine kinase receptors
Steroid hormone receptors
Nuclear receptor

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4
Q

Which receptors are associated with tyrosine kinase activity?

A

Prolactin receptors

Growth hormone receptor

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5
Q

What does a raised TSH suggest?

A

hypothyroid

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6
Q

What does a suppressed TSH suggest?

A

hyperthyroid

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7
Q

What type of cells secrete prolactin?

A

Lactotroph cells in pituitary

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8
Q

Give examples of peptide hormones?

A

Insuline
Growth hormone
oxytocin
Prolactin

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9
Q

Give examples of a steroid hormone

A

Cortisol

Testosterone

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10
Q

Give examples of a tyrosine derived hormone

A

Adrenaline
Thyroid hormone
Melatonin

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11
Q

List the hormones that are secreted by the anterior pituitary

A 
GH
LH/FSH
ACTH
TSH
Prolactin
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12
Q

List the hormones that are secreted by the posterior pituitary

A

ADH

Oxytocin

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13
Q

GH stimulates the liver to produce what hormone?

A

IGF-1

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14
Q

What hormone inhibits the release of prolactin?

A

Dopamine

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15
Q

What is the rate-limiting step in steroid hormone metabolism?

A

cholesterol to pregnenolone

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16
Q

What is the role of the pituitary gland and what are the 2 parts?

A

Works with hypothalamus to control hormones

Anterior and posterior

17
Q

Explain dynamic tests to measure hormones

A

too much hormone? - try to suppress it

too little hormone? - try to stimulate it

18
Q

List some dynamic pituitary function tests

A

synthetic ACTH
Insulin stress test
water deprivation test

Endocrinology (17 decks)

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