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ANSC 4276 - Repro > chapter 4 - Exam 2 > Flashcards

chapter 4 - Exam 2 Flashcards

1
Q

Endocrine is

A

Slower, last longer, from brain

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2
Q

Neural is

A

Faster, short lived, from brain

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3
Q

Half life

A

Time required for one-half of a hormone to disappear from blood or tissues,

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4
Q

What is half life determined by

A

Mythel group

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5
Q

List half-times of, LH, FSH, GnRH, eCG

A

LH : 20-30 min
FSH : 3-4 hours
GnRH : 7 min
eCG : 3-4 days

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6
Q

Hormone Potency

A

How long to get to desired effect

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7
Q

What is the hormone potency effected by

A

Receptor density, hormone receptor affinity, hormone concentration, half-life

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8
Q

Receptor density

A

More vs less binding site

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9
Q

Hormone receptor affinity

A

Performance, preferential binding

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10
Q

Hormone concentration

A

More available molecules increases binging rates

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11
Q

Half-life

A

Longer half-life greater biological activity

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12
Q

Positive and negative feedback

A

All repro functions are regulated by this

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13
Q

Negative

A

Suppresses step prior or before

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14
Q

Positive

A

Promotes prior step to encourage more production

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15
Q

Tissues origins

A

Hypothalamus, nureopeptides, pituitary, gomadal, uterine, placental

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16
Q

Mode of actin classifications

A

Nurerohormones, releasing hormones, gonadotropins, pregnancy maintenance, luteolytic hormones.

17
Q

Biochemical classifications

A

Peptides, glycoproteins, steroids, prostaglandins

18
Q

What are steroids made of

A

Cholesterol

19
Q

What do neurohormones do

A

Connection between endocrine and nerves

20
Q

What do releasing hormones do

A

Causes release of another hormones

21
Q

What do gonadotropins do

A

Effect gonads

22
Q

What I sexual promoters do

A

Promotes sexual behavior

23
Q

What do pregnancy maintenance do

A

Maintains pregnancy

24
Q

What do luteolytic hormones do

A

Kills CL

25
Q

Peptides

A

Degraded in liver and kidneys

26
Q

Glycoproteins

A

Metabolized in liver and kidneys

27
Q

Steroids

A

Metabolized in liver and lungs

28
Q

Prostaglandeins

A

Rapidly degraded in blood circulation and lungs

29
Q

Analogs

A

similar structure to hormones, bind to specific receptors, cause same reaction as native hormones

30
Q

Agonists

A

Promote greater physiological activity, greater affinity receptor

31
Q

Antagonist

A

Have greater affinity for receptors, weaker biological activity

ANSC 4276 - Repro (11 decks)

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