Hormone Actions
Which hormone secreted in a daily rhythm influences sleep/wake cycles?
melatonin
What hormone does the thymus secrete?
Thymosin
What is more common in the endocrine system: positive feedback or negative feedback?
Negative feedback
What condition is caused by excessive GH secretion in childhood?
Gigantism
What are the chemical messengers of the endocrine system?
Hormones
What two Anterior pituitary hormones aid in reproduction
Double Jeopardy
LH and FSH
Which gland produces epinephrine and norepinephrine?
double jeopardy!!
The adrenal medulla
Which two glands regulate calcium levels?
Thyroid and parathyroid gland
A lack of iodine in the diet causes the thyroid gland to enlarge. What is this condition called?
Goiter
How do hormones travel through the body?
In the bloodstream
Which hormone promotes uterine contractions and is responsible for milk production in the mammary glands?
oxytocin
Which 2 hormones does the pancreas produce?
Double JEOPARDY
insulin
glucagon
Which structure in brain regulates pituitary gland?
Hypothalamus
What condition is caused by an overproduction of GH causing enlargment of limbs in adults?
Double Jeopardy
Acromegaly
What is the function of FSH in females and males?
females-egg formation
Males sperm formation
ACTH controls the secretion of which hormone?
DOUBLE JEOPARDY!!
cortisol
Which two hormones are produced by the posterior pituitary gland?
oxytocin and ADH
Calcitonin is secreted when blood calcium levels get too high. It opposes the action of which hormone?
DOUBLE JEOPARDY!!
Parathyroid hormone
What disease is characterized by abnormally high blood glucose levels?
Diabetes mellitus
What is the function of LH in males and females?
Double jeopardy
In females sytimulates ovulation
In males stimulates testosterone secretion, sperm release
What 2 hormones come from the Posterior pituitary gland?
ADH, Oxytocin
What are the 6 hormones of the anteriror pituitary gland?
1. GH 2. Prolactin 3.TSH 4. FSH 5. LH
6. adrenocorticotropic
what effects of the body does epinephrine and norepinephrine produce?
increases heart rate, blood pressure, and blood glucose levels
regulates blood pressure, dilates small passageways of the lungs resulting in more oxygen and glucose in the blood and faster circulation of the blood to body organs
What disorder is characterized by oversecretion of cortisol, usually caused by a pituitary tumor?
Cushing's syndrome
What is the differences between the nervous and endocrine systems.
Nervous- electrical stimuli through neurons
endocrine is chemical messengers- hormone directly in blood