Podcast
Questions and Answers
What is the primary role of the effector in a feedback loop?
What is the primary role of the effector in a feedback loop?
- Amplify the variable away from the set point
- Bring the variable back to the set point
- Maintain the set point of the variable
- Regulate the levels of intracellular cAMP (correct)
In which part of the body do the neurons that synthesize neurohormones oxytocin and vasopressin originate?
In which part of the body do the neurons that synthesize neurohormones oxytocin and vasopressin originate?
- Anterior pituitary
- Posterior pituitary (correct)
- Adenohypophysis
- Neurohypophysis
Which type of hormones are mainly released by the anterior pituitary gland?
Which type of hormones are mainly released by the anterior pituitary gland?
- Effector hormones
- Neurohormones
- Feedback hormones
- Tropic hormones (correct)
What senses and integrates in the first-order endocrine pathway involving the posterior pituitary?
What senses and integrates in the first-order endocrine pathway involving the posterior pituitary?
In blood glucose regulation, what occurs if the brain cannot function due to low blood glucose levels?
In blood glucose regulation, what occurs if the brain cannot function due to low blood glucose levels?
What is the main function of insulin and glucagon in regulating blood glucose levels?
What is the main function of insulin and glucagon in regulating blood glucose levels?
What is the role of the receiver in signal transduction pathways?
What is the role of the receiver in signal transduction pathways?
Which type of receptor is associated with mostly genomic effects?
Which type of receptor is associated with mostly genomic effects?
What is the function of ligand-gated ion channels?
What is the function of ligand-gated ion channels?
What is the main role of G-protein-coupled receptors?
What is the main role of G-protein-coupled receptors?
What is the process that occurs when a ligand binds to a transmembrane receptor and starts a phosphorylation cascade?
What is the process that occurs when a ligand binds to a transmembrane receptor and starts a phosphorylation cascade?
What do second messengers do in cell signaling?
What do second messengers do in cell signaling?
What is the term used to describe when one hormone reduces the effectiveness of a second hormone?
What is the term used to describe when one hormone reduces the effectiveness of a second hormone?
Which of the following hormones lowers blood glucose levels?
Which of the following hormones lowers blood glucose levels?
In the context of hormonal interactions, what does 'synergism' refer to?
In the context of hormonal interactions, what does 'synergism' refer to?
Which gland is responsible for the secretion of insulin and glucagon?
Which gland is responsible for the secretion of insulin and glucagon?
In vertebrates, what system detects 'stress' and initiates the stress response?
In vertebrates, what system detects 'stress' and initiates the stress response?
What is the term used to describe when one hormone 'permits' another hormone to exert its full effect?
What is the term used to describe when one hormone 'permits' another hormone to exert its full effect?