Which of the following cells in the pancreas secrete insulin?
Alpha cells
Beta cells
Exocrine cells
All of the above
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Syllabus Edition
First teaching 2023
First exams 2025
Which of the following cells in the pancreas secrete insulin?
Alpha cells
Beta cells
Exocrine cells
All of the above
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Which of the following statements (I - IV) correctly describe Type I diabetes?
I. It usually develops in those aged 40 and over, however more and more young people are developing the condition.
II. It is a condition in which the pancreas fails to produce sufficient insulin to control blood glucose levels.
III. It is normally treated with regular blood tests to check glucose levels, insulin injections, and a diabetes-appropriate diet.
IV. It is more common than Type II diabetes.
II and III
II, III and IV
I, III and IV
I and II
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Which of the following are roles of thyroxin?
II only
I and II only
II and IV only
I, II, III and IV
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A one year old child displays fatigue and excessive thirst over a period of time. A urine test reveals the presence of glucose.
Which of the following would be the most likely diagnosis?
Type I diabetes as the body is unable to respond to the presence of insulin.
Type I diabetes as the beta cells in the islets of Langerhans were destroyed.
Type II diabetes as the body does not have sufficient insulin receptors on target cells.
Type II diabetes as the alpha cells in the islets of Langerhans was destroyed.
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In which of the following scenarios would there be an increase in the breakdown of glycogen in the liver?
When the beta cells of the islets of Langerhans secrete insulin.
When the beta cells of the islets of Langerhans secrete glucagon.
After eating a meal high in carbohydrates.
When the alpha cells of the islets of Langerhans secrete glucagon.
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