Podcast
Questions and Answers
What is the role of oxytocin in response to the dilation of the cervix?
What is the role of oxytocin in response to the dilation of the cervix?
- It causes further dilation of the cervix
- It reduces the number of hormone receptors
- It inhibits uterine contraction
- It stimulates uterine contraction (correct)
How does the number of receptors for a hormone affect the maximal response?
How does the number of receptors for a hormone affect the maximal response?
- Decrease in the number of receptors leads to an increase in maximal response
- Increase in the number of receptors leads to a decrease in maximal response
- Increase in the number of receptors leads to an increase in maximal response (correct)
- No effect on the maximal response
What does sensitivity refer to in the context of hormonal response?
What does sensitivity refer to in the context of hormonal response?
- The affinity of the hormone for its receptor
- The concentration of hormone required to produce maximal response
- The number of receptors in a target tissue
- The responsiveness of a target tissue to a hormone (correct)
How does increasing hormone concentration affect the doseresponse relationship?
How does increasing hormone concentration affect the doseresponse relationship?
Where are the cell bodies of hypothalamic neurons located?
Where are the cell bodies of hypothalamic neurons located?
How are hypothalamic-releasing hormones transported to the anterior pituitary?
How are hypothalamic-releasing hormones transported to the anterior pituitary?
Where do the hormones secreted by the posterior pituitary enter after release from the nerve terminals?
Where do the hormones secreted by the posterior pituitary enter after release from the nerve terminals?
Which organ is NOT a target tissue for oxytocin?
Which organ is NOT a target tissue for oxytocin?
What is the term for a decrease in the number or affinity of receptors for a hormone?
What is the term for a decrease in the number or affinity of receptors for a hormone?
Which family of membrane-bound proteins couples hormone receptors to effector enzymes?
Which family of membrane-bound proteins couples hormone receptors to effector enzymes?
What is the major hormone concerned with the regulation of body fluid osmolarity?
What is the major hormone concerned with the regulation of body fluid osmolarity?
What does an increase in water permeability of principal cells in the late distal tubule and collecting duct via V2 receptors result in?
What does an increase in water permeability of principal cells in the late distal tubule and collecting duct via V2 receptors result in?
What is the primary function of negative feedback in hormone regulation?
What is the primary function of negative feedback in hormone regulation?
Where is oxytocin synthesized in the hypothalamus?
Where is oxytocin synthesized in the hypothalamus?
Which neural mechanism causes secretion of catecholamines from the adrenal medulla?
Which neural mechanism causes secretion of catecholamines from the adrenal medulla?
What is the effect of estrogen on the secretion of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) by the anterior pituitary?
What is the effect of estrogen on the secretion of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) by the anterior pituitary?
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