Podcast
Questions and Answers
What is the main function of the hypothalamus?
What is the main function of the hypothalamus?
- Synthesis of oxytocin and antidiuretic hormone (correct)
- Control of emotional expressions and sexual behavior
- Regulation of growth hormone secretion
- Regulation of food and water intake
How does the hypothalamus control the secretion of pituitary hormones?
How does the hypothalamus control the secretion of pituitary hormones?
- Through direct action on target glands
- By storing hormones in axon terminals
- By releasing hormones into the blood (correct)
- Through neural signals from the autonomic nervous system
What is the function of the growth hormone (GH) on the body?
What is the function of the growth hormone (GH) on the body?
- Acts only on specific target glands
- Directly affects all or almost all tissues of the body (correct)
- Regulates body temperature
- Controls food and water intake
Where are oxytocin and antidiuretic hormone stored before release?
Where are oxytocin and antidiuretic hormone stored before release?
How many amino acids are present in the growth hormone (GH)?
How many amino acids are present in the growth hormone (GH)?
Which part of the nervous system does the hypothalamus receive signals from?
Which part of the nervous system does the hypothalamus receive signals from?
What is the first step of a hormone's action?
What is the first step of a hormone's action?
What is the effect of priming up-regulation on target cells?
What is the effect of priming up-regulation on target cells?
What is desensitization (down regulation) in relation to hormone action?
What is desensitization (down regulation) in relation to hormone action?
Which organ is responsible for excreting peptide hormones and catecholamines into the urine?
Which organ is responsible for excreting peptide hormones and catecholamines into the urine?
What is the purpose of fluctuating plasma concentrations of hormones?
What is the purpose of fluctuating plasma concentrations of hormones?
How do hormonal receptors typically behave in relation to specific hormones?
How do hormonal receptors typically behave in relation to specific hormones?
What is the main difference between hydrophilic and lipophilic hormones in terms of their elimination from circulation?
What is the main difference between hydrophilic and lipophilic hormones in terms of their elimination from circulation?
Which mechanism can prevent overactivity of hormone systems by suppressing further release of the hormone?
Which mechanism can prevent overactivity of hormone systems by suppressing further release of the hormone?
What effect does negative feedback have on hormone secretion?
What effect does negative feedback have on hormone secretion?
Which type of hormone is mainly bound to plasma proteins, leading to a slower clearance from plasma?
Which type of hormone is mainly bound to plasma proteins, leading to a slower clearance from plasma?
What triggers surges of hormones according to the information provided?
What triggers surges of hormones according to the information provided?
Which level can negative feedback occur at to prevent overactivity of hormone systems?
Which level can negative feedback occur at to prevent overactivity of hormone systems?
What is the main factor responsible for the surge of luteinizing hormone (LH) before ovulation?
What is the main factor responsible for the surge of luteinizing hormone (LH) before ovulation?
Which mechanism leads to a sudden increase in hormone secretion due to a sensory stimulus like suckling?
Which mechanism leads to a sudden increase in hormone secretion due to a sensory stimulus like suckling?
Which variations in hormone release are mentioned in the text?
Which variations in hormone release are mentioned in the text?
What is the role of cAMP in the Adenylate Cyclase-cAMP System discussed in the text?
What is the role of cAMP in the Adenylate Cyclase-cAMP System discussed in the text?
Where does the pituitary gland lie anatomically?
Where does the pituitary gland lie anatomically?
Which hormone's excess secretion is most commonly caused by Graves' disease?
Which hormone's excess secretion is most commonly caused by Graves' disease?
What is a common symptom of hyperthyroidism?
What is a common symptom of hyperthyroidism?
Which condition is characterized by the development of an edematous appearance throughout the body in severe cases?
Which condition is characterized by the development of an edematous appearance throughout the body in severe cases?
What is the main effect of aldosterone on the kidney?
What is the main effect of aldosterone on the kidney?
Which hormone stimulates hepatic gluconeogenesis and inhibits glucose uptake by many tissues?
Which hormone stimulates hepatic gluconeogenesis and inhibits glucose uptake by many tissues?
What is one of the major stimuli for increased cortisol secretion?
What is one of the major stimuli for increased cortisol secretion?
