Blood Glucose

Question 1

What are the types of cells that control blood glucose levels?

Answer 1

Alpha cells and Beta cells

Question 2

What hormone do alpha cells secrete?

Answer 2

Glucagon

Question 3

What hormone do beta cells secrete?

Answer 3

Insulin

Question 4

What does glucagon to blood glucose levels?

Answer 4

Glucagon raises blood glucose levels

Question 5

What does insulin do to blood glucose levels

Answer 5

Insulin lowers blood glucose levels

Question 6

How does glucagon affect cell membranes?

Answer 6

Glucagon causes cell membranes to become less permeable to glucose

Question 7

How does insulin affect cell membranes?

Answer 7

Insulin causes cell membranes to become more permeable to glucose

Question 8

What does glucagon do in the liver?

Answer 8

• causes glycogen to convert back to glucose
• fats convert to glucose

Question 9

What does insulin do in the liver?

Answer 9

• causes glucose to be converted to glycogen and stored
• coverts glucose to fats

Question 10

How do alpha cells affect cellular respiration?

Answer 10

They slow down the rate of cellular respiration

Question 11

How do beta cells affect cellular respiration?

Answer 11

They speed up the rate of cellular respiration

Question 12

What are the two types of imbalances in insulin?

Answer 12

1. Oversecretion - hypoglycaemia
2. Undersecretion - diabetes mellitus