Podcast
Questions and Answers
Which type of hormone binds to and activates receptors within cells, causing the synthesis of new proteins that alter cell activity?
Which type of hormone binds to and activates receptors within cells, causing the synthesis of new proteins that alter cell activity?
- Proteins
- Water-soluble hormones
- Thyroid hormones
- Steroid hormones (correct)
When a hormone is present in excess, what may occur in terms of the number of receptors?
When a hormone is present in excess, what may occur in terms of the number of receptors?
- Down-regulation (correct)
- No change
- Receptors are synthesized
- Up-regulation
Which class of hormones is made from cholesterol?
Which class of hormones is made from cholesterol?
- Steroid hormones (correct)
- Peptides
- Proteins
- Epinephrine
Which cells in the thyroid gland secrete calcitonin?
Which cells in the thyroid gland secrete calcitonin?
What is the function of parathyroid hormone (PTH)?
What is the function of parathyroid hormone (PTH)?
Which cells in the pancreas secrete insulin?
Which cells in the pancreas secrete insulin?
Which hormone stimulates the contraction of the uterus and the ejection (let-down) of milk from the breasts?
Which hormone stimulates the contraction of the uterus and the ejection (let-down) of milk from the breasts?
Which hormone regulates thyroid gland activities?
Which hormone regulates thyroid gland activities?
Which hormone stimulates the secretion of estrogens by ovarian cells in females and testosterone secretion in males?
Which hormone stimulates the secretion of estrogens by ovarian cells in females and testosterone secretion in males?
Which gland is responsible for secreting melatonin in a diurnal rhythm linked to the dark-light cycle?
Which gland is responsible for secreting melatonin in a diurnal rhythm linked to the dark-light cycle?
Which gland produces sex hormones related to the development and maintenance of male sexual characteristics and normal reproductive functions?
Which gland produces sex hormones related to the development and maintenance of male sexual characteristics and normal reproductive functions?
Which hormones are produced by the ovaries?
Which hormones are produced by the ovaries?
Which gland secretes hormones related to immunity and promotes the proliferation and maturation of T cells?
Which gland secretes hormones related to immunity and promotes the proliferation and maturation of T cells?
Which substances act as paracrines and autocrines in most body tissues by altering the production of second messengers, such as cyclic AMP?
Which substances act as paracrines and autocrines in most body tissues by altering the production of second messengers, such as cyclic AMP?
What bodily changes are triggered by extreme, unusual, or long-lasting stress that go against the normal mechanisms of maintaining a constant internal environment?
What bodily changes are triggered by extreme, unusual, or long-lasting stress that go against the normal mechanisms of maintaining a constant internal environment?
