Homeostasis And Endocrine System Flashcards
What is normal blood Ph and body temp?
7.4
37 deg C
Are steroid hormones protein based ?
No, they are cholesterol based and therefore hydrophobic
Which type of hormone binds to cytoplasmic receptors and which binds to cell surface receptors?
Cytoplasmic = steroid
Cell surface = amino acid based
Why can a steroid based hormone pass through the phospholipid by layer?
Because it’s hydrophobic
What is the difference between hormonal and humoral control?
Hormonal via hypothalamus
Humoral via parathyroid
Which cell receptors do amino acid based hormones bind to ?
Cell surface receptors
Which receptors do steroid hormones bind to?
Cytoplasmic receptors
What does glucagon do?
Causers liver to convert glycogen to glucose to increase blood sugar levels
How many major hormones does the anterior pituitary release ?
6
What tissue is the posterior pituitary comprised of ? And how many major hormones does it secrete
Neural
2
Name the 6 major hormones of the anterior pituitary gland
Thyroid stimulating hormone Adrenocoryicotropic hormone Growth hormone Prolactin Follicle stimulating hormone Luteinising hormone
What 2 hormones does the Posterior pituitary gland secrete
Antidiuretic hormone (reduce water loss from kidneys)
Is inhibited from alcohol
Oxytocin : milk ejection & muscular contraction of uterus
What 2 hormones does the thyroid secrete?
Thyroid hormones T3 and T4
Calcitonin : reduces ca++ content
What hormones is secreted from parathyroid ?
Parathyroid hormone
Which will increase blood calcium
What 2 hormones does the adrenal medulla secrete ?
Epi & norepinephrine (adrenal)
What hormones does the adrenal cortex secretes ?
Glucocorticoids
Aldosterone
Androgens
Which cells secrete glucagon and which secrete insulin
A = glucAgon B= insulin
What can overproduction of the thyroid gland lead to?
And underproduction?
Graves’ disease (high metabolic rate and temp)
Cretinism (the opposite to high)
Which of the diabetes type is insulin resistant?
Type 2
Prolactin function
Initiates milk production
Follicle stimulating hormone (FSH)
Oestrogen and testosterone
FSH - for sex hormone
Luteinising hormone function
Ovulation hormone
Testosterone for men
Oxytocin function
Muscular contraction of uterus and milk production.
Where in the adrenal glands is the Adrenalin hormone secreted
Adrenal medulla