CCEA A-Level Health and Social Care 0003
Promoting Quality Care
Communication in Health, Social Care and Early Years Settings
Health and Well-Being
Safeguarding Children
Adult Service Users
Holistic Therapies
Understanding the Physiology of Health and Illness
Applied Research
Body Systems and Physiological Disorders
Providing Services
Public Health and Health Promotion
Supporting the Family
Understanding Human Behaviour
Human Nutrition and Health
Understanding the Physiology of Health and Illness
The endocrine glands and their hormones
- 3 things to know
- AS 7
Overview
Hormones produced by the gonads, three differences between the nervous system and the endocrine system and inter-relationship between the nervous and endocrine systems.
What you need to know
Answer each one before you reveal it.
What is a hormone?
How does an endocrine gland differ from an exocrine gland?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is a hormone?
Model answer
A hormone is a chemical messenger made by an endocrine gland and carried in the blood to a target organ.
- 2
How does an endocrine gland differ from an exocrine gland?
Model answer
An endocrine gland releases its secretion straight into the bloodstream, while an exocrine gland releases its secretion through a duct.
- 3
Name two hormones released by the anterior pituitary and state what each does.
Model answer
The anterior pituitary releases growth hormone, which stimulates growth of bone and tissue, and thyroid stimulating hormone, which makes the thyroid produce thyroxine.
- 4
Which hormones are released from the posterior pituitary?
Model answer
The posterior pituitary releases anti-diuretic hormone and oxytocin.
- 5
What does thyroxine do?
Model answer
Thyroxine from the thyroid gland sets the rate of metabolism, governing how quickly the body uses energy.
- 6
What happens to a person whose thyroid produces too little thyroxine?
Model answer
Too little thyroxine slows the metabolism, so a person may feel persistently tired and cold, gain weight and have dry skin.
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