Endocrine System part 1

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Which of the following is NOT a function of the hormones produced by the Endocrine System?

Regulation of blood pressure

Regulation of metabolism

Control of reproductive processes

Stimulation of immune response (correct)

How do hormones travel through the body?

Through lymphatic vessels

Through capillaries (correct)

Through the digestive system

Through the nervous system

What is the 'Lock & Key' system in relation to hormones and receptors?

It represents the negative feedback mechanism

It describes the specificity of hormone-receptor interactions (correct)

It refers to the circulation of hormones in the body

It explains the role of hormones in growth and development

What is the primary function of the negative feedback system in the Endocrine System?

To reverse changes in the controlled condition Signup and view all the answers

What triggers the release of a specific hormone in the negative feedback system?

Body condition moving away from normal range Signup and view all the answers

Which type of muscle contraction is regulated by hormones produced by the Endocrine System?

Smooth and cardiac muscle contraction Signup and view all the answers

What is the role of hormones in circadian rhythms?

Regulating sleep-wake cycles Signup and view all the answers

In the 'Lock & Key' system, what does the 'Lock' represent?

Receptor site on the target cell Signup and view all the answers

What is the primary role of the glands in the Endocrine System?

To secrete hormones Signup and view all the answers

How do hormones help maintain homeostasis within the body?

By regulating fluid balance Signup and view all the answers

What triggers the gland to increase or decrease the release of a hormone in the negative feedback system?

The body's need for the final action of the hormone Signup and view all the answers

What initiates a chain of events to return the body to normal in the negative feedback system?

Stimulation of a specific hormone Signup and view all the answers

Which gland is responsible for synthesizing oxytocin and antidiuretic hormone?

posterior Pituitary Gland Signup and view all the answers

Which hormone is responsible for stimulating the thyroid gland to secrete thyroid hormones?

Thyroid Stimulating Hormone (TSH) Signup and view all the answers

Which gland is responsible for producing hormones that regulate fluid volume by stimulating reabsorption of water in the kidneys?

Posterior Pituitary Gland Signup and view all the answers

Which hormone is responsible for promoting growth indirectly by acting on body tissues?

Growth Hormone (GH) Signup and view all the answers

Which gland is responsible for producing hormones essential for physical growth, mental development, and reproductive maturation?

Thyroid Gland Signup and view all the answers

Which hormone is released when serum calcium levels are too high?

Calcitonin Signup and view all the answers

Which gland is responsible for the production of regulatory hormones, either releasing or inhibiting, to stimulate or inhibit the release of hormones from the anterior pituitary gland?

Hypothalamus Signup and view all the answers

Which hormone stimulates ovulation in women and secretion of sex hormones in both men and women?

Luteinizing Hormone (LH) Signup and view all the answers

Which hormone stimulates the adrenal cortex to secrete glucocorticoids (cortisol)?

Adrenocorticotropic Hormone (ACTH) Signup and view all the answers

Which gland is responsible for synthesizing and releasing growth hormone and prolactin?

anterior Pituitary Gland Signup and view all the answers

Which hormone is responsible for stimulating the ejection of milk into mammary ducts and uterine contractions?

Oxytocin Signup and view all the answers