Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PSL300H1F - Human Physiology I > Endocrine Part 2 Miliotic > Flashcards

Endocrine Part 2 Miliotic Flashcards

1
Q

are hydrophilic hormones water soluble?

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what happens when water-soluble hormones reach the plasma membrane?

A

Dissolve in plasma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

can hydrophilic hormones cross the plasma membrane?

A

Cannot cross plasma membranes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are examples of hydrophilic hormones?

A

Peptide hormones, protein hormones, catecholamines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are examples of hydrophobic hormones?

A

Steroid hormones, thyroid hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

are hydrophobic hormones water soluble?

A

Not water-soluble

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

can hydrophobic hormones freely cross the plasma membrane, why or why not?

A

Lipid-soluble, cross-plasma membranes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what are steroid hormones made from?

A

Made from cholesterol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How are peptide/protein hormones synthesized and released?

A

Made in advance

Stored in vesicles

Released by exocytosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how are steroid hormones made?

A

Synthesized on demand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

how are steroid hormones released?

A

Released by diffusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are amine hormones derived from?

A

Tryptophan or Tyrosine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are examples of amine hormones and what amino acid are they derived from?

A

Melatonin from tryptophan, Catecholamines from tyrosine, Thyroid hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How do peptide/protein hormones travel in the blood and what do they bind to?

A

Dissolved in plasma

Bind to membrane receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the half-life of peptide/protein hormones?

A

short

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How do steroid hormones travel and enter cells?

A

Bound to carrier proteins
Diffuse into cells or taken up by endocytosis

17
Q

what is the half-life of steroid hormones?

A

long

18
Q

What stimuli trigger hormone release?

A

Metabolites (e.g., glucose)
Neurohormones
Neurotransmitters

19
Q

What is the process of synergistic effects in hormones?

A

Multiple hormones act together for a greater effect

20
Q

what is an example of synergistic effects?

A

FSH and testosterone on sperm production

21
Q

What is the process of permissive effects in hormones?

A

One hormone enhances an organ’s response to a later hormone

22
Q

what is an example of permissive effects?

A

Estrogen prepares the uterus for progesterone

23
Q

What is the process of antagonistic effects in hormones?

A

One hormone opposes another

24
Q

what is an example of antagonistic effects?

A

Insulin lowers blood glucose, glucagon raises it

PSL300H1F - Human Physiology I (30 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions