Unit 3 Endocrinology Part 1 Flashcards

(68 cards)

1
Q
A
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2
Q

Which gland secretes growth hormone (GH)?

A

Anterior pituitary

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3
Q

What hormone stimulates the production of thyroid hormones?

A

Thyroid-stimulating hormone (TSH)

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4
Q

Which hormone regulates calcium levels by increasing bone resorption?

A

Parathyroid hormone (PTH)

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5
Q

What hormone lowers blood sugar levels?

A

Insulin

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6
Q

Which hormone increases blood glucose levels?

A

Glucagon

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7
Q

What is the main glucocorticoid hormone?

A

Cortisol

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8
Q

Which hormone is responsible for the body’s fight-or-flight response?

A

Epinephrine

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9
Q

What hormone stimulates uterine contractions during labor?

A

Oxytocin

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10
Q

Which hormone promotes milk production in lactating women?

A

Prolactin

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11
Q

What hormone is secreted by the pineal gland?

A

Melatonin

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12
Q

Which hormone stimulates the release of cortisol from the adrenal cortex?

A

Adrenocorticotropic hormone (ACTH)

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13
Q

What is the main mineralocorticoid hormone?

A

Aldosterone

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14
Q

Which hormone stimulates ovulation in females?

A

Luteinizing hormone (LH)

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15
Q

What hormone promotes the development of male secondary sexual characteristics?

A

Testosterone

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16
Q

Which hormone is primarily responsible for female reproductive function?

A

Estrogen

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17
Q

What hormone prepares the uterus for pregnancy?

A

Progesterone

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18
Q

Which hormone stimulates follicle development in the ovaries?

A

Follicle-stimulating hormone (FSH)

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19
Q

Which hormone is responsible for water retention by the kidneys?

A

Antidiuretic hormone (ADH)

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20
Q

What hormone stimulates red blood cell production?

A

Erythropoietin (EPO)

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21
Q

Which hormone increases calcium deposition in bones?

A

Calcitonin

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22
Q

Which hormone stimulates the release of GH?

A

Growth hormone-releasing hormone (GHRH)

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23
Q

What hormone inhibits the release of GH?

A

Somatostatin

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24
Q

Which hormone inhibits prolactin secretion?

A

Dopamine

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25
What is the active form of thyroid hormone?
Triiodothyronine (T3)
26
Which hormone is the precursor to T3?
Thyroxine (T4)
27
Which hormone is secreted during stress to increase glucose availability?
Cortisol
28
Which hormone enhances sodium reabsorption in the kidneys?
Aldosterone
29
What hormone is secreted by the placenta to maintain pregnancy?
Human chorionic gonadotropin (hCG)
30
Which hormone is known as the ‘stress hormone’?
Cortisol
31
Which hormone regulates the sleep-wake cycle?
Melatonin
32
Which hormone is responsible for male fetal development?
Testosterone
33
What hormone is secreted by the anterior pituitary to stimulate adrenal cortex activity?
Adrenocorticotropic hormone (ACTH)
34
Which hormone regulates sodium and potassium balance?
Aldosterone
35
What hormone increases metabolic rate and heat production?
Thyroid hormones (T3 and T4)
36
Which hormone stimulates sperm production in males?
Follicle-stimulating hormone (FSH)
37
What hormone increases blood calcium levels?
Parathyroid hormone (PTH)
38
Which hormone inhibits the release of insulin and glucagon?
Somatostatin
39
What hormone stimulates the secretion of testosterone?
Luteinizing hormone (LH)
40
Which hormone prepares the body for long-term stress?
Cortisol
41
What hormone is released in response to dehydration?
Antidiuretic hormone (ADH)
42
Which hormone stimulates cell growth and reproduction?
Growth hormone (GH)
43
What are the three main classifications of hormones based on structure?
Steroid hormones
44
Which hormone classification is derived from cholesterol?
Steroid hormones
45
Which hormone classification consists of amino acid derivatives?
Biogenic amines
46
Which hormone classification includes hormones like insulin and glucagon?
Peptide hormones
47
What are examples of steroid hormones?
Cortisol
48
What are examples of biogenic amine hormones?
Epinephrine
49
What are examples of peptide hormones?
Insulin
50
Which type of hormone can pass through the cell membrane?
Steroid hormones
51
Which type of hormone requires a receptor on the cell surface to exert its effects?
Peptide hormones
52
Which part of the pituitary gland releases hormones like GH
TSH
53
Which part of the pituitary gland stores and releases ADH and oxytocin?
Posterior pituitary
54
Which hormone is classified as a glycoprotein and stimulates ovulation?
Luteinizing hormone (LH)
55
Which hormone is a glycoprotein that stimulates follicle development?
Follicle-stimulating hormone (FSH)
56
Which hormone is a glycoprotein that regulates thyroid function?
Thyroid-stimulating hormone (TSH)
57
Which hormone is a glycoprotein involved in red blood cell production?
Erythropoietin (EPO)
58
Which hormone is a glycoprotein that serves as a pregnancy marker?
Human chorionic gonadotropin (hCG)
59
Which hormones are categorized as eicosanoids?
Prostaglandins
60
What is the precursor of catecholamines?
Tyrosine
61
Which hormone is the initial product in catecholamine synthesis?
Dopamine
62
Which enzyme converts tyrosine into L-Dopa?
Tyrosine hydroxylase
63
Which hormone is synthesized from L-Dopa?
Dopamine
64
Which two hormones are derived from dopamine?
Epinephrine
65
Which hormone is the major product of the thyroid gland?
Thyroxine (T4)
66
Which hormone is more potent
T3 or T4?
67
What enzyme is responsible for the conversion of T4 into T3?
Deiodinase
68
What is the rate-limiting enzyme in catecholamine synthesis?
Tyrosine hydroxylase