14 Questions
What is the main symptom presented by the new patient in the clinic?
Pink or purple stretch marks on the skin
What does hypersecretion of a hormone typically lead to?
Increased effectiveness of the hormone
What is a common outcome of down-regulation of receptors in target cells?
Diminished responsiveness of target cells to the hormone
What can absence of negative feedback lead to in terms of trophic hormones?
Overproduction of trophic hormones
Which condition is characterized by weight gain, moon face, buffalo hump, and thinning skin?
Cushing's syndrome
What may lead to hyposecretion of a hormone?
Atrophy of the gland
What is the main difference between the nervous system and the endocrine system?
Duration of response
How do most hormones exert their effects?
At very low concentrations
Which type of hormone typically has a relatively short half-life?
Peptide hormones
How are peptide hormones transported in the blood?
Bound to carrier proteins
What is the main difference in the cellular mechanism of action between peptide and steroid hormones?
Steroid hormones use second messenger systems
Which gland is responsible for producing both vasopressin and oxytocin?
Pituitary gland
What is the role of trophic hormones in the anterior pituitary?
Stimulate other hormone secretions
In hormone interactions, what do antagonistic hormones do?
Oppose the action of one another
Learn about two long-distance systems for responding to changes in the body: nervous system and endocrine system. Explore the study of hormones and their role in metabolism, regulation of the internal environment, reproduction, growth, and development.
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