Biology 5090 · O Level

Blood glucose control

31 practice questions on Blood glucose control, with worked solutions and instant marking.

Why does glucose appear in the urine of diabetics?

May/June 2015

A patient reports unexplained weight loss, intense thirst and a frequent urge to urinate to the doctor. A test reveals a high level of glucose in the urine. Which condition does the doctor diagnose?

May/June 2015

Fig. 3.1 illustrates the blood supply reaching the cells in the liver.

May/June 2015

Which row indicates what triggers the release of adrenaline or insulin, and the effect of that hormone on blood glucose concentration?

May/June 2017

In diabetes, glucose is found in the urine. In what way does insulin stop this from happening?

May/June 2018

The graph illustrates how blood glucose concentration changes in one person over 24 hours. Which statement accounts for the graph’s shape?

May/June 2022

Which condition leads to a higher blood glucose concentration?

May/June 2022

A genetic disorder leads to insulin being secreted in excessive amounts. What effect does the secretion of too much insulin have?

May/June 2023

The graph displays a person's blood glucose concentration during the hours following breakfast eaten at 07:00. Which blood glucose concentration level is approximately the set point?

May/June 2023

Which hormone lowers the concentration of blood glucose?

May/June 2023

Which process is activated by adrenaline in liver cells?

May/June 2024

What is one symptom of Type 1 diabetes?

May/June 2024

A nurse carries out a test on a urine sample from a patient using Benedict’s reagent. The result is positive. What could explain this outcome?

May/June 2025

The graph illustrates the concentration of glycogen stored in the liver of a human. In which time period is adrenaline secretion causing the blood glucose concentration to return towards its set point?

May/June 2025

What symptoms does diabetes have?

Oct/Nov 2015

What are the causes, signs and symptoms, and treatment options for diabetes mellitus?

Oct/Nov 2015

Define what is meant by the term hormone.

Oct/Nov 2016

Which of the following statements about insulin is correct?

Oct/Nov 2018

Which flow diagram illustrates the regulation of blood sugar levels?

Oct/Nov 2019

Under which condition would the quantity of insulin released into a person’s blood be greatest?

Oct/Nov 2019

What is one indication of diabetes mellitus?

Oct/Nov 2020

What is one symptom of diabetes mellitus?

Oct/Nov 2020

What takes place after insulin is injected?

Oct/Nov 2021

A patient presents with symptoms of unexplained weight loss, intense thirst and a frequent urge to urinate. A test reveals a high concentration of glucose in the urine. Which condition is diagnosed?

Oct/Nov 2022

A patient has symptoms of unexplained weight loss, extreme thirst and a frequent need to urinate. A test reveals a high level of glucose in the urine. Which condition is diagnosed?

Oct/Nov 2022

The graph represents a person's blood sugar level across eight hours. No exercise was done during this period. Which statement accounts for the shape of the graph between $X$ and $Y$?

Oct/Nov 2023

The diagram illustrates how the concentration of glycogen stored in the liver of a human varies with time. These changes help keep the concentration of glucose in the blood constant. In which periods does the concentration of glucose in the blood rise above the average level?

Oct/Nov 2023

Choose words from the list to finish the paragraph.

Oct/Nov 2024

The graph plots blood glucose concentration across a 6-hour period during one day. What set point for blood glucose concentration is indicated by this graph?

Oct/Nov 2025

Which hormone may be used to treat Type 1 diabetes?

Oct/Nov 2025

What change takes place when the blood glucose concentration rises?

Oct/Nov 2025