Page |1
BIOL 320 EXAM 1 NEWEST 2025 ACTUAL EXAM 2025/2026
NEWEST ACTUAL EXAM WITH COMPLETE QUESTIONS AND
VERIFIED ANSWERS |ALREADY GRADED A+|
Growth hormone release is regulated by the level of ___
molecules in the ___. Growth hormone levels increase in
response to an increase in ____ acid levels and to a decrease in
____ levels or ___ acids levels. - ANSWER-nutrient
blood
amino
glucose
fatty
____, ____, and chemical ___, including surgery, trauma,
exercise, or electroshock therapy ______ GH release - ANSWER-
emotional
physical
stress
increase
, Page |2
What is the expression of the thyroid hormone? - ANSWER-
chronic
What produces calcitonin? - ANSWER-parafollicular spindle cells
what secrets T3 and T4 hormones - ANSWER-follicular cells
what is calcitonin target and what does it stimulate? - ANSWER-
skeleton
Ca uptake
_____ is inactive form - ANSWER-thyroxine/ T4
_____ is active form - ANSWER-triiodothyronine/ T3
____ cells= thyroid follicular epithelial cells make the thyroid gland
- ANSWER-follicular
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follicular cells are derivates of the ____ foregut - ANSWER-
endothermal
What are follicular cells regulated? - ANSWER-by TSH
follicular cells act on ___ tissues - ANSWER-all
NOT gonads, spleen, brain
What causes TRH to be released? - ANSWER-stress and
hypothermis
what causes cells of the anterior pituitary to secrete TSH? -
ANSWER-TRH
What causes increased synthesis and release of T4 and T3? -
ANSWER-TSH
If thyroid is dysfunction it can lead to? - ANSWER-obesity
obesity relating diseases
, Page |4
______ happens when the thyroid gland does not produce
enough thyroid hormone. Can cause insufficient uptake of iodine,
and causes Goiter, decreases in BMR, puffy eyes, edema. -
ANSWER-hypothyroidism
______ happens when the thyroid gland produces too much
thyroid hormone. Can cause high BMR, weight loss, eyeballs
protrude due to edema. - ANSWER-hyperthyroidism
What monitors the serum calcium level and secretes parathyroid
hormone when it is low? - ANSWER-parathyroid gland
Parathyroid regulates Calcium by increasing calcium levels when
low in blood through its actions on the ____, ____, and ____ -
ANSWER-bones
kidney
intestine
BIOL 320 EXAM 1 NEWEST 2025 ACTUAL EXAM 2025/2026
NEWEST ACTUAL EXAM WITH COMPLETE QUESTIONS AND
VERIFIED ANSWERS |ALREADY GRADED A+|
Growth hormone release is regulated by the level of ___
molecules in the ___. Growth hormone levels increase in
response to an increase in ____ acid levels and to a decrease in
____ levels or ___ acids levels. - ANSWER-nutrient
blood
amino
glucose
fatty
____, ____, and chemical ___, including surgery, trauma,
exercise, or electroshock therapy ______ GH release - ANSWER-
emotional
physical
stress
increase
, Page |2
What is the expression of the thyroid hormone? - ANSWER-
chronic
What produces calcitonin? - ANSWER-parafollicular spindle cells
what secrets T3 and T4 hormones - ANSWER-follicular cells
what is calcitonin target and what does it stimulate? - ANSWER-
skeleton
Ca uptake
_____ is inactive form - ANSWER-thyroxine/ T4
_____ is active form - ANSWER-triiodothyronine/ T3
____ cells= thyroid follicular epithelial cells make the thyroid gland
- ANSWER-follicular
, Page |3
follicular cells are derivates of the ____ foregut - ANSWER-
endothermal
What are follicular cells regulated? - ANSWER-by TSH
follicular cells act on ___ tissues - ANSWER-all
NOT gonads, spleen, brain
What causes TRH to be released? - ANSWER-stress and
hypothermis
what causes cells of the anterior pituitary to secrete TSH? -
ANSWER-TRH
What causes increased synthesis and release of T4 and T3? -
ANSWER-TSH
If thyroid is dysfunction it can lead to? - ANSWER-obesity
obesity relating diseases
, Page |4
______ happens when the thyroid gland does not produce
enough thyroid hormone. Can cause insufficient uptake of iodine,
and causes Goiter, decreases in BMR, puffy eyes, edema. -
ANSWER-hypothyroidism
______ happens when the thyroid gland produces too much
thyroid hormone. Can cause high BMR, weight loss, eyeballs
protrude due to edema. - ANSWER-hyperthyroidism
What monitors the serum calcium level and secretes parathyroid
hormone when it is low? - ANSWER-parathyroid gland
Parathyroid regulates Calcium by increasing calcium levels when
low in blood through its actions on the ____, ____, and ____ -
ANSWER-bones
kidney
intestine
