24 Questions
What is the function of inhibin?
Inhibits secretion of FSH
Which hormone prepares the breasts for lactation?
hPL
What does somatostatin do?
Inhibits glucagon and insulin release
What is the function of cholecystokinin (CCK)?
Stimulates pancreatic enzyme release
Which hormone stimulates erythrocyte production in the bone marrow?
EPO
What is the function of leptin?
Promotes satiety after a meal
Which region of the adrenal gland is responsible for producing mineralocorticoids like aldosterone?
Zona Fasciculata
What is the main function of the adrenal medulla during an acute response?
Increases blood pressure
What are the symptoms of Cushing's disease due to hypersecretion of cortisol?
Rapid weight gain and hair loss
What is the role of the Pineal Gland in influencing circadian rhythms?
Produces and secretes melatonin
Which region of the adrenal glands responds to physiological and psychological stress by promoting the fight or flight response?
Adrenal medulla
What is the main function of testosterone in the human body?
Develop male reproductive system
What is the primary mechanism of travel for hormones throughout the body?
Blood
What type of chemical signaling elicits a response in the same cell?
Autocrine
Which type of hormones are derived from the lipid cholesterol and are hydrophobic?
Steroid hormones
What is considered the first messenger in the hormone pathway of action?
Hormone receptor
Which type of hormone receptor binds inside the plasma membrane and triggers transcription to mRNA and protein synthesis?
Intracellular hormone receptor
What is the second messenger activated by hydrophilic hormones that initiates a phosphorylation cascade to activate proteins?
Adenylyl cyclase
What does downregulation of cells in response to excessive hormone levels involve?
$Decreasing$ $receptors$
Which effect occurs when two hormones with similar effects amplify the cell’s response?
$Synergistic$ $effect$
Where does the pituitary gland connect to the hypothalamus?
$Infundibulum$
$Oxytocin$ stimulates which physiological processes?
Lactation and uterine contraction
Which hormone stimulates protein synthesis and tissue building?
Growth Hormone (GH)
What is responsible for melanin production in response to UV light or pregnancy?
Melanocyte-Stimulating Hormone (MSH)
Test your knowledge on the endocrine system with a focus on long-distance communication, hormone secretion, and different types of chemical signaling. This quiz covers the overview and other types of chemical signaling in the endocrine system.
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