18 Questions
How does exercise affect leptin sensitivity?
It increases leptin sensitivity
What is the role of osteocalcin?
Increases insulin production and sensitivity to glucose
How does aging affect the production of human growth hormone, cortisol, and aldosterone?
They decline with age
What effect does aging have on insulin resistance?
It increases with age
Which region of the adrenal gland produces mineralocorticoids like aldosterone?
Zona Glomerulosa
What are the effects of epinephrine and norepinephrine produced by the adrenal medulla?
Increase heart rate, blood pressure, and pulse; dilate airways; prompt vasodilation to essential organs
What disorder is characterized by hypersecretion of cortisol, leading to high blood glucose and lipid deposits on the face and neck?
Cushing's disease
What is the main function of the pineal gland?
Production of melatonin
Which layer of the adrenal cortex primarily produces glucocorticoids like cortisol?
Zona Fasciculata
Which hormone is responsible for developing the male reproductive system, maturing sperm cells, and male secondary sex characteristics?
Testosterone
What is the primary mode of travel for hormones throughout the body?
Blood
Which type of signaling involves a chemical that elicits a response in the same cell?
Autocrine
What are the two types of hormones derived from modified amino acids?
Peptide and amine
What is the function of a hormone receptor?
Binds to the hormone and initiates cellular mechanisms
Which hormone is considered a first messenger?
Insulin
Intracellular hormone receptors are specific for which type of hormones?
Hydrophobic hormones
Which factor refers to cells decreasing receptors and becoming less reactive to excessive hormone levels?
Downregulation
"Chemical and neural stimuli can result in hormone secretion or inhibition" is an example of which method of hormone regulation?
Feed back loops
Test your knowledge of Chapter 17 'The Endocrine System' which covers long-distance communication, hormone secretion, and types of chemical signaling in the body.
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