5.4 Adrenal Glands

Question 1

Where is the adrenal cortex located?

Answer 1

Outer layer of adrenal glands

Question 2

Where is the adrenal medulla located?

Answer 2

Inner layer of adrenal gland

Question 3

What are the different types of hormones released by adrenal glands?
- A
- C such as A

Answer 3

-Adrenaline
-Corticoids such as aldosterone

Question 4

What are the three zona in the cortex of the adrenal gland? GFR

Answer 4

Zona Glomerulosa
Zona Fasciculata (fah- ci- q- la- ta)
Zona reticularis

Question 5

What does the adrenal cortex use to produce a range of hormones. C

Answer 5

Cholesterol

Question 6

In the release of steroid hormone how is the protien released?
- what does the receptor- steroid hormone bind to - Cm
- The binding stimulates .. m.. to

Answer 6

• Chromosomal material
  -The binding simulated mRNA to code for the production of protiens.

Question 7

What is the a characteristic of steroid hormones? (relating to bilayer) l

Where are the receptors of steroid hormones and why?

Answer 7

Lipid soluble

Inside the membrane,they can travel through the plasma membrane

Question 8

In the adrenal cortex where is mineralocorticoid released from?

What does it control?

What blood pressure?

Answer 8

Zona Glomerulosa

Controls the concentration of sodium and potassium in the blood

High blood pressure

Question 9

What is Aldosterone a type of?

What does it do in the kidneys? Thinking about it function.. and absorption

Bonos what does it do to the blood pressure?

Answer 9

Mineralocorticoids

Increases the absorption of Na in the kidneys

Increases blood pressure

Question 10

What does zona fasciculata release? G

What does it control? Me… of 3 molecules

Answer 10

• Glucocorticoids e.g cortisol
• controlled the metabolism of carbohydrates, fats and protein

Question 11

What does zona reticularis release?

Answer 11

Cortisols

Question 12

In zona reticularis what will happen when the enzyme is not present to release cortisol?
- releases andr… which is converted to 👩‍❤️‍👨
what do they regulate? -G
And develop ? Secondary ..

Answer 12

• releases androgens and converted into sex hormones
• regulate the production of gametes
• develop secondary sexual characteristics

Question 13

Is Adrenaline polar or non- polar?

What type of hormone is it?

Where is it released from?

Answer 13

-Polar

-non-steroid hormone

• Adrenal medulla

Question 14

What can adrenaline not do through the membrane? Has to be detected by..?

Answer 14

Cannot pass through the membrane, has to be detected by receptors.

Question 15

Give me 4 out of 7 role of Adrenaline?
*🫀: s volume; rate
*Vasoc.. effect on blood pressure
* conversion 🍯
* 👁️
* 🤪-> 🧑‍💼
* 🪿

Answer 15

• Increasing stroke volume in the heart
• Increasing heart rate
• Causing vasoconstriction to raise blood pressure
• Stimulate conversion of glycogen to glucose
  -Dilating pupils
• increase metal awareness
• causing hairs to stand erect