CONCEPTS Flashcards

(4 cards)

1
Q

name atleas 4 changes that hormones can cause in target cells

A

• Alter membrane premability (open/close on Channels

• Stimulate or Inhibit protein synthesis (turn genes on or off)

• activate or deactivate enzymes

• Induce cell growth or division

•Change metabolle rate (Speed up or slow down reaction)

  1. Turn genes on or off
    1. Make new proteins or enzymes
    2. Change how fast the cell works (metabolism)
    3. Start cell growth or divisio
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The three stimuli that can cause hormones to be released are:

A

• Humoral stimulus — changes in blood levels cause hormone release.
• Hormonal stimulus — hormones cause another hormone to be released.
• Neural stimulus — nerve signals cause hormone release.

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

What are the only two hormones released from the posterior pituitary gland, and where are they made?

A

• Antidiuretic hormone (ADH)
• Oxytocin
(made in they hyposalums s released from the posterior pituitary)

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

Why does the thyroid gland have follicles?

A

Store thyroid hormone

Store Odine (in colloid)

Allow slow, Controlled release of thyroid hormones.

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