KU BIOL 240 (Anatomy Exam 4) ANSWERS 100% CORRECT.
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Course
BIOL 240
Institution
BIOL 240
Main functions of endocrine system? correct answers Secretes hormones to bloodstream
(organs are not anatomically connected)
Endocrine system correct answers communications by hormones
targets cell with hormone receptor
slow
long lasting effects that are widespread
metabolic activity
Ner...
KU BIOL 240 (Anatomy Exam 4) ANSWERS 100%
CORRECT.
Main functions of endocrine system? correct answers Secretes hormones to bloodstream
(organs are not anatomically connected)
Endocrine system correct answers communications by hormones
targets cell with hormone receptor
slow
long lasting effects that are widespread
metabolic activity
Nervous system correct answers communicates by neurotransmitters
targets neurons, muscle and gland
fast
short term effects that are localized
contraction/secretion
Differences in exocrine and endocrine glands correct answers exocrine:
sweat, saliva
ducts
close to target cell
endocrine:
hormones
no ducts
not close to target cell
highly vascularized
*Hormones correct answers chemical triggers that can stimulate other glands; regulate
metabolism
Target cells correct answers cells with receptors for the hormone
Target organs correct answers organs that have target cells
What are the different types of hormones? correct answers Amino acid based and steroid
Amino acid based hormones correct answers **most of the hormones in the body
modified amino acids, peptides and proteins
elaborate rough ER
function as hormones and neurotransmitters
*Steroid hormones correct answers type of lipid derived from cholesterol
secreted by diffusion/soluble (passes through cell membrane)
extensive smooth ER
(ex. testosterone)
, Types of stimuli correct answers humoral: in response to changing levels of ions or nutrients
in the blood
neural: stimulation by nerves
hormonal: stimulation received from other hormones (tropic hormones)
Positive/negative feedback correct answers positive: not common
accelerates original process
(ex. action of OXYTOCIN on uterine muscle during birth)
negative: most common
turns off or slows original process
(ex. regulation of blood glucose)
*What are pheromones? correct answers ectohormones capable of acting outside the body,
impacting the behavior of another individual
Growth hormone correct answers high: tall
low: dwarfism
high once adult: acromegaly (enlarged bones in face, hands and feet and internal organs; liver
could cause diabetes)
Thyroid gland correct answers inferior to thyroid cartilage/anterior to trachea
hormones: calcitonin and iodine
largest gland for endocrine activities
highly vascularized
controls metabolism and calcium in blood
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