Podcast
Questions and Answers
What does an elevated TSH suggest?
What does an elevated TSH suggest?
- Normal ability of circulating thyroid hormone to suppress TSH synthesis
- Loss of the ability of the thyroid gland to synthesize hormone (correct)
- Effective suppression of TSH synthesis
- Increased ability of the thyroid gland to synthesize hormone
Which nuclei give rise to axons that pass to the posterior pituitary via the hypothalamohypophysial tract?
Which nuclei give rise to axons that pass to the posterior pituitary via the hypothalamohypophysial tract?
- Cerebellar nuclei
- Medulla oblongata
- Supraoptic and paraventricular nuclei (correct)
- Red nucleus
Which part of the brain integrates autonomic mechanisms for maintaining internal chemical constancy and temperature?
Which part of the brain integrates autonomic mechanisms for maintaining internal chemical constancy and temperature?
- Hippocampus
- Frontal lobe
- Cerebellum
- Hypothalamus (correct)
What is the embryological origin of the posterior pituitary gland?
What is the embryological origin of the posterior pituitary gland?
What is the main function of the hypothalamus with regard to emotional and instinctual behavior?
What is the main function of the hypothalamus with regard to emotional and instinctual behavior?
Which lobe of the pituitary gland receives neural connections from the hypothalamus?
Which lobe of the pituitary gland receives neural connections from the hypothalamus?
What does the text suggest is the function of positive feedback loops in the endocrine system?
What does the text suggest is the function of positive feedback loops in the endocrine system?
Which organ is primarily affected when a negative feedback loop leads to dampening of the hormone release mechanism?
Which organ is primarily affected when a negative feedback loop leads to dampening of the hormone release mechanism?
Which type of feedback loop involves the enhancement or continued stimulation of the original release mechanism?
Which type of feedback loop involves the enhancement or continued stimulation of the original release mechanism?
What diagnostic strategy is mentioned in the text with regards to evaluating patients suspected of endocrine disorders?
What diagnostic strategy is mentioned in the text with regards to evaluating patients suspected of endocrine disorders?
In what setting are positive feedback mechanisms typically observed?
In what setting are positive feedback mechanisms typically observed?
What is the physiologic role of β-lipotropin (β-LPH) that is secreted with ACTH?
What is the physiologic role of β-lipotropin (β-LPH) that is secreted with ACTH?
How is the responsiveness of target cells to hormonal action related to feedback control in the endocrine system?
How is the responsiveness of target cells to hormonal action related to feedback control in the endocrine system?
What are the six established hypothalamic releasing and inhibiting hormones?
What are the six established hypothalamic releasing and inhibiting hormones?
Where are hypophysiotropic hormones commonly secreted into?
Where are hypophysiotropic hormones commonly secreted into?
Which type of blood has the highest concentration of hypophysiotropic hormones?
Which type of blood has the highest concentration of hypophysiotropic hormones?
Which term is now generally used to refer to what were previously known as growth hormone–inhibiting hormones?
Which term is now generally used to refer to what were previously known as growth hormone–inhibiting hormones?
What is the nature of the control of anterior pituitary secretion from the hypothalamus to the pituitary?
What is the nature of the control of anterior pituitary secretion from the hypothalamus to the pituitary?
