BIO 245 KLESATH EXAM 1 NCSU 2024 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
3 reflex mechanisms that stimulate hormone secretion - CORRECT
ANSWER✔✔1.Hormonal Stimulation: stimulus for release of hormones
by the binding of another hormone (eg the TSH from anterior pituitary
binds to thyroid gland to release TH)
2.Humoral Stimulation: release of hormone in response to change of blood
nutrient levels (eg blood glucose levels rise so insulin is released from
pancreas, or fall and glucagon is released)
3.Neural Stimulation: direct stimulation from nervous system to
endocrine gland (eg epinephrine and norepinephrine by adrenal medulla
during fight or flight)
Hormonal Stimulation - CORRECT ANSWER✔✔Stimulus for release of
hormones by the binding of another hormone (eg the TSH from anterior
pituitary binds to thyroid gland to release TH)
Humoral Stimulation - CORRECT ANSWER✔✔release of hormone in
response to change of blood nutrient levels (eg blood glucose levels rise
so insulin is released from pancreas, or fall and glucagon is released)
, Neural Stimulation - CORRECT ANSWER✔✔direct stimulation from
nervous system to endocrine gland (eg epinephrine and norepinephrine by
adrenal medulla during fight or flight)
Steroids - CORRECT ANSWER✔✔lipid soluble molecules synthesized by
cholesterol
1. Gonads (Estrogen, Progesterone, Testosterone)
2. Adrenal Cortex hormones (Corticosteroids like cortisol,
mineralocorticoids, aldosterone)
Biogenic Amines - CORRECT ANSWER✔✔modified amino acids, water
soluble (except thyroid)
1. Catecholamines (epinephrine and norepinephrine)
2. Thyroid Hormone → lipid soluble
3. Melatonin
Proteins - CORRECT ANSWER✔✔most hormones, small chains of amino
acids, water soluble
1. Small peptides and large polypeptides
2. Glycoproteins
Local Hormones - CORRECT ANSWER✔✔DO NOT circulate in blood, so
only affect either same cell that produced them (autocrine) or
neighboring cells (Paracrine)
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
3 reflex mechanisms that stimulate hormone secretion - CORRECT
ANSWER✔✔1.Hormonal Stimulation: stimulus for release of hormones
by the binding of another hormone (eg the TSH from anterior pituitary
binds to thyroid gland to release TH)
2.Humoral Stimulation: release of hormone in response to change of blood
nutrient levels (eg blood glucose levels rise so insulin is released from
pancreas, or fall and glucagon is released)
3.Neural Stimulation: direct stimulation from nervous system to
endocrine gland (eg epinephrine and norepinephrine by adrenal medulla
during fight or flight)
Hormonal Stimulation - CORRECT ANSWER✔✔Stimulus for release of
hormones by the binding of another hormone (eg the TSH from anterior
pituitary binds to thyroid gland to release TH)
Humoral Stimulation - CORRECT ANSWER✔✔release of hormone in
response to change of blood nutrient levels (eg blood glucose levels rise
so insulin is released from pancreas, or fall and glucagon is released)
, Neural Stimulation - CORRECT ANSWER✔✔direct stimulation from
nervous system to endocrine gland (eg epinephrine and norepinephrine by
adrenal medulla during fight or flight)
Steroids - CORRECT ANSWER✔✔lipid soluble molecules synthesized by
cholesterol
1. Gonads (Estrogen, Progesterone, Testosterone)
2. Adrenal Cortex hormones (Corticosteroids like cortisol,
mineralocorticoids, aldosterone)
Biogenic Amines - CORRECT ANSWER✔✔modified amino acids, water
soluble (except thyroid)
1. Catecholamines (epinephrine and norepinephrine)
2. Thyroid Hormone → lipid soluble
3. Melatonin
Proteins - CORRECT ANSWER✔✔most hormones, small chains of amino
acids, water soluble
1. Small peptides and large polypeptides
2. Glycoproteins
Local Hormones - CORRECT ANSWER✔✔DO NOT circulate in blood, so
only affect either same cell that produced them (autocrine) or
neighboring cells (Paracrine)
