12 Questions
What is an example of autocrine signaling?
Immune response with the production of T lymphocytes
How many major hormones are produced by the human body?
20
What is required for a hormone to elicit a response within a cell?
Presence of a specific receptor
How do steroid hormones alter target cell activity?
Through direct gene activation
What are the three factors that affect target cell activation?
Concentration of hormone, receptor density, and affinity of binding
What determines the magnitude of the response to a hormone?
The concentration of the hormone and the amount of receptors
What is a characteristic of hormones in the body?
They have a lag period
Which gland is responsible for making the decision of which hormones are released in the body?
Hypothalamus
What is the primary function of the thymus?
Producing white blood cells for the immune response
What type of hormone is cortisol?
Steroid hormone
What is the primary mechanism of hormone action involved in growth and development?
Endocrine signaling
What is a result of hormone action on target cells?
Changes in plasma membrane permeability
This quiz covers the functions of hormones in the body, including their role in reproduction, growth, and development. Learn how hormones regulate bodily processes, including their slow-acting effects and lag period. Understand how the endocrine and nervous systems work together to maintain homeostasis.
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