B3 - organisation and the digestive system exam questions

Question 1

what is the type of enzyme that breaks down starch (1 mark)

Answer 1

carbohydrase

Question 2

explain how a stent works as a treatment for a person with a blockage in a coronary artery (2 marks)

Answer 2

opens/widens artery

so more blood can flow through

Question 3

which part of the blood starts the blood clotting process (1 mark)

Answer 3

platelets

Question 4

amylase is a polymer of smaller molecules. name the type of smaller molecule (1 mark)

Answer 4

amino acids

Question 5

name the three parts of the human digestive system that produce amylase (3 marks)

Answer 5

salivary gland
pancreas
small intestine