Hormone Actions
Which hormone secreted in a daily rhythm influences sleep/wake cycles?
What is melatonin?
What is more common in the endocrine system: positive feedback or negative feedback?
What is Negative feedback? (one way that the endocrine system tries to keep homeostasis (stability) in the body. If an endocrine gland senses that there is too much of one hormone in the body, it will initiate changes to decrease production of that hormone)
List three major endocrine glands.
What are the 1. Hypothalamus 2. Pituitary 3. Thyroid gland 4. Parathyroid glands 5. Thymus gland 6. Pineal gland 7. Pancreas 8. Adrenal glands 9. Gonads?
What condition is caused by excessive GH (growth hormone) secretion in childhood?
What is Gigantism?
What are the messengers of the endocrine system?
What are hormones?
Which hormone promotes uterine contractions and is responsible for milk production in the mammary glands?
What is oxytocin?
Which hormone is produced by the pancreas to regulate blood glucose levels?
What is insulin?
Which gland produces epinephrine and norepinephrine?
What are the adrenal glands?
Low blood pressure, which can cause fainting or dizziness because the brain doesn't receive enough blood.
What is hypotension?
How do hormones travel through the body?
What is the bloodstream?
ACTH (adrenocorticotrophic hormone) controls the secretion of which hormone?
What is cortisol?
True/False: TSH and T4 are the same
False
What is the "master gland" of the body?
What is the pituitary gland?
A condition in which the force of the blood against the artery walls is too high.
What is hypertension?
Where are hormone receptors found?
What are target cells?
Two main thyroid hormones. Your thyroid regulates your metabolism, which means it plays a role in digestion, hunger, and your overall energy level.
What are T3 and T4?
In biology, this is the state of steady internal, physical, and chemical conditions maintained by living systems.
What is homeostasis?
This organ connects your endocrine system with your nervous system. Its main job is to tell your pituitary gland to start or stop making hormones.
What does the hypothalamus do?
What disease is characterized by abnormally high blood glucose levels?
What is Diabetes?
List one of the three vital functions of the endocrine system.
What are…
This hormone is secreted by the posterior pituitary. It regulates water absorption in the body
ADH/Vasopressin
What is the difference between alpha and beta cells
Alpha: Releases glucagon and increases blood glucose levels
Beta: Produces insulin and decreases blood glucose levels
The principal androgen produced by the testes gland is
Testosterone
What condition is caused by an overproduction of GH (growth hormone) in adults?
What is Acromegaly?