Podcast
Questions and Answers
What are paracrines?
What are paracrines?
- The receptors for steroid hormones
- Circulating hormones that are never broken down
- Local hormones that act on the cells that produced them
- Local hormones that act on neighboring cells (correct)
When a steroid hormone binds to its target cell receptor, what does it do?
When a steroid hormone binds to its target cell receptor, what does it do?
- Is converted into cholesterol, which acts as a second messenger
- Turns specific genes of the nuclear DNA on or off (correct)
- Causes the formation of releasing hormones
- Causes the formation of cyclic AMP
Which of the following is NOT a steroid?
Which of the following is NOT a steroid?
- Cortisone
- Testosterone
- Insulin (correct)
- Estrogen
What does the hypophyseal portal system drain?
What does the hypophyseal portal system drain?
What is an important stimulus for the release of oxytocin?
What is an important stimulus for the release of oxytocin?
Hormones from the posterior pituitary are released in response to?
Hormones from the posterior pituitary are released in response to?
What is the main target for ADH (antidiuretic hormone)?
What is the main target for ADH (antidiuretic hormone)?
What is the primary effect of calcitonin?
What is the primary effect of calcitonin?
Where are hormones secreted from the posterior pituitary gland synthesized?
Where are hormones secreted from the posterior pituitary gland synthesized?
In the formation of thyroxin, iodine is added to which amino acid?
In the formation of thyroxin, iodine is added to which amino acid?
What is the stimulus for the release of parathyroid hormone?
What is the stimulus for the release of parathyroid hormone?
What is the primary target for glucagon?
What is the primary target for glucagon?
What is the role of somatostatin from the pancreas?
What is the role of somatostatin from the pancreas?
An increase in glycogenolysis by the liver is an important effect of which hormone?
An increase in glycogenolysis by the liver is an important effect of which hormone?
What is the primary stimulus for the release of insulin?
What is the primary stimulus for the release of insulin?
What does the pineal gland secrete?
What does the pineal gland secrete?
