the endocrine system was always considered to be hormones released strictly from what? - Answer-glands
T/F: hormones also have neural origins - Answer-true
What is homeostasis? - Answer-maintenance of a constant or unchanging "normal" internal environment during unstressed conditions
what ...
Kin 443 Mini Exam 1 Questions with
Latest Update
the endocrine system was always considered to be hormones released strictly from
what? - Answer-glands
T/F: hormones also have neural origins - Answer-true
What is homeostasis? - Answer-maintenance of a constant or unchanging "normal"
internal environment during unstressed conditions
what is steady state? - Answer-constant internal environment; does not necessarily
mean that the internal environment is at rest and normal
when the body is in steady state. a balance has been achieved between the demands
placed on _______________ and _____________ - Answer-the body and the body's
response to those demands
what is endocrinology - Answer-the combined function of the nerves and glands
involved in the release of hormones that regulate the function of the body's tissues
which system releases hormones into the blood to circulate tissues? - Answer-
endocrine system
which system uses neurotransmitters to relay messages from one nerve to another? -
Answer-nervous system
release hormones directly into the blood - Answer-endocrine glands
hormones bind to specific ________ _________ to exert their effect - Answer-protein
receptor
what are the classes of hormones? - Answer-amino acid derivatives, peptides and
proteins, steroids
the effect of a hormone on a tissue is determined by the __________ and the
___________ - Answer-plasma concentration and the number of active receptors
plasma concentration determined by what ? (4) - Answer-1. rate of secretion of
hormone from endocrine gland
2. rate of metabolism or excretion of hormone
3. quantity of transport proteins
4. changes in plasma volume
, chemical messenger inside cell triggers response - Answer-Intracrine signaling
chemical messenger passed between two connected cells - Answer-juxtacrine signaling
chemical messenger acts on that same cell - Answer-autocrine signaling
chemical messengers act on nearby cells - Answer-paracrine signaling
chemical messengers released into the blood - Answer-endocrine signaling
what are the glandular sources of chemical messengers? (6) - Answer-1. pituitary
anterior
2. pituitary posterior
3. adrenal cortex
4. adrenal medulla
5. testes
6. ovaries
what are the non-glandular sources of chemical messengers? (6) - Answer-1.
hypothalamus
2. heart
3. kidney
4. liver
5. lymphocytes
6. vascular endothelium
pituitary anterior and posterior released which class of hormones - Answer-peptides
adrenal cortex released which class of hormones - Answer-steroid
adrenal medulla releases which class of hormones - Answer-amine
testes releases which class of hormones - Answer-steroids
ovaries releases which class of hormones - Answer-steroid
non glandular sources release which type of hormones - Answer-peptides
adrenal medulla hormones (2) - Answer-epinephrine and norepinephrine
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