7. Endocrine System

Question 1

Do not have a duct system and release their secretions or hormones directly into the bloodstream

Answer 1

Endocrine Glands

Question 2

Have ducts that allow the cells to secrete their products.

Answer 2

Exocrine glands

Question 3

• The glands which function as both exocrine
  gland and endocrine gland.
• Thus, these glands have dual role.
  * Pancreas
  * Gonads
  * Stomach
  * Intestines

Answer 3

Heterocrine (Composite or mixed glands)

Question 4

• A small, pea‐sized gland.
• Found at the base of the brain (sella turcica),
  in line with the top of the nose.
• Acts as the body’s ‘master gland’.
• It tells other glands in your body what to do.

Answer 4

Pituitary gland (hypophysis)

Question 5

What does the Thyroid gland do?

Answer 5

• Development
• Growth
• Metabolism

Question 6

What is the location of the thyroid gland?

Answer 6

• Front of the neck
• Posterior to the sternothyroid
  and sternohyoid muscles

Question 7

Which gland is this:
Primarily regulators of blood calcium and phosphorus levels in adults

Answer 7

Parathyroid glands

Question 8

Where are the parathyroid glands located?

Answer 8

• Posterior to the thyroid gland.
• Most people have four glands

Question 9

What glands lay a vital role in the body’s fight or
flight response?

Answer 9

Suprarenal (adrenal) glands

Question 10

What is the location of the Suprarenal (adrenal) glands?

Answer 10

• Immediately superior and anterior of the upper end of each kidney.
• Left is more semi‐lunar, usually larger, and at a higher level than the right

Question 11

What’s the importance of the gonad glands?

Answer 11

• Primary reproductive organs.
• Testes in male
• Ovaries in female.

Question 12

What is the location of the gonad glands?

Answer 12

• Male – behind the penis in the scrotum.
• Female – in the pelvis, one on each side of the uterus.

Question 13

Abdominal gland with a digestive (exocrine) and
hormonal (endocrine) function.

Answer 13

Pancreas

Question 14

What is this:

• Group of cell in the pancreas.
• Make hormone insulin

Answer 14

Pancreatic islets (Islets of Langerhans)

Question 15

What is this:

• An endocrine gland.
• Regulates the body’s circadian cycle of sleep and wakefulness

Answer 15

Pineal Gland (Epiphysis cerebri)

Question 16

What is the location of the Pineal Gland (Epiphysis cerebri)?

Answer 16

Posterior aspect of the cranial fossa in the brain.

Question 17

__________ are chemical substances that act like
messenger molecules in the body.

Answer 17

Hormones

Question 18

What is this:

After being made in one part of the body, they travel to other parts of the body where they help control how cells and organs do their work

Answer 18

Hormones