20 Questions
What is the primary function of calcitonin produced by the parafollicular cells in the thyroid gland?
To decrease blood calcium levels
Which hormone from the anterior pituitary gland regulates the production of T3 and T4 in the thyroid gland?
Thyroid-stimulating hormone (TSH)
Which of the following is the primary function of parathyroid hormone (PTH) produced by the parathyroid gland?
To increase blood calcium levels
Which of the following is NOT a mechanism by which parathyroid hormone (PTH) increases blood calcium levels?
Inhibiting insulin production
Which of the following is the primary function of aldosterone produced by the adrenal cortex?
Regulating sodium and water balance
Which cell type in the pancreatic islets is responsible for producing glucagon?
Alpha cells
What is the primary function of inhibin produced by the testes?
To regulate follicle-stimulating hormone (FSH) release from the anterior pituitary
Which hormone produced by the ovaries is responsible for regulating the female reproductive cycle?
Progesterone
Which of the following is an example of a hormone produced by an organ other than the major endocrine glands?
Atrial natriuretic peptide (ANP)
Which hormone produced by the adrenal medulla is responsible for the physiological changes associated with the fight-or-flight response?
Epinephrine
Which of the following is NOT a major endocrine gland?
Liver
What is the primary function of the hormones produced by the thyroid gland?
Regulate metabolic rate and tissue development
Which of the following is a water-soluble hormone?
Human growth hormone
How do lipid-soluble hormones influence cell activity?
By diffusing through the cell membrane and binding to intracellular receptors in the nucleus
What is the primary function of the anterior pituitary gland?
To produce hormones that regulate growth, metabolism, and reproduction
What is the role of the hypothalamus in the endocrine system?
The hypothalamus produces hormones that regulate the activity of the anterior pituitary gland
Which of the following describes the relationship between the hypothalamus and the pituitary gland?
The hypothalamus produces hormones that regulate the activity of the pituitary gland
What is the function of the posterior pituitary gland?
To store and release hormones produced by the hypothalamus
Which of the following is a factor that can influence a cell's response to hormones?
All of the above
What is the primary difference between the mechanism of action of water-soluble and lipid-soluble hormones?
Water-soluble hormones bind to receptors on the cell membrane, while lipid-soluble hormones bind to intracellular receptors in the nucleus
Test your knowledge on the endocrine system by reviewing key concepts such as endocrine glands, hormones, and physiological responses. Explore topics like major endocrine glands, hormone production, and lipid-soluble hormones.
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