BIO - 202L Exam 1 2025/2026 Exam
Questions and Answers | A+ Score
Assured
endocrine system - 🧠 ANSWER ✔✔the body's "slow" chemical
communication system; a set of glands that secrete hormones into the
bloodstream, long term
negative feedback - 🧠 ANSWER ✔✔end product of a hormone(s) inhibits
the release of the initial hormone
positive feedback - 🧠 ANSWER ✔✔hormone causes release of more of
itself
, hypothalamus - 🧠 ANSWER ✔✔produces and secretes releasing and
inhibiting hormones that have direct effect on anterior pituitary
pituitary gland - 🧠 ANSWER ✔✔hypophysis, anterior and posterior lobes
pineal gland - 🧠 ANSWER ✔✔synthesize melatonin
thyroid gland - 🧠 ANSWER ✔✔releases triodothyronine (t3) and thyroxine
(t4) (require iodine to increase metabolism) and calcitonin
hypothyroidism - 🧠 ANSWER ✔✔condition of hyposecretion of the thyroid
gland causing low thyroid levels in the blood that result in sluggishness,
slow pulse, and often obesity
hyperthyroidism - 🧠 ANSWER ✔✔excessive activity of the thyroid gland,
increase body temp, increase heart rate, weight loss, diarrhea
calcitonin - 🧠 ANSWER ✔✔lowers blood calcium levels
parathyroid - 🧠 ANSWER ✔✔4 small glands that regulate calcium
metabolism, raise blood calcium levels
thymus - 🧠 ANSWER ✔✔gland in the thoracic cavity above the heart where
T lymphocytes mature, produce thymosins that help develop immune
system
Questions and Answers | A+ Score
Assured
endocrine system - 🧠 ANSWER ✔✔the body's "slow" chemical
communication system; a set of glands that secrete hormones into the
bloodstream, long term
negative feedback - 🧠 ANSWER ✔✔end product of a hormone(s) inhibits
the release of the initial hormone
positive feedback - 🧠 ANSWER ✔✔hormone causes release of more of
itself
, hypothalamus - 🧠 ANSWER ✔✔produces and secretes releasing and
inhibiting hormones that have direct effect on anterior pituitary
pituitary gland - 🧠 ANSWER ✔✔hypophysis, anterior and posterior lobes
pineal gland - 🧠 ANSWER ✔✔synthesize melatonin
thyroid gland - 🧠 ANSWER ✔✔releases triodothyronine (t3) and thyroxine
(t4) (require iodine to increase metabolism) and calcitonin
hypothyroidism - 🧠 ANSWER ✔✔condition of hyposecretion of the thyroid
gland causing low thyroid levels in the blood that result in sluggishness,
slow pulse, and often obesity
hyperthyroidism - 🧠 ANSWER ✔✔excessive activity of the thyroid gland,
increase body temp, increase heart rate, weight loss, diarrhea
calcitonin - 🧠 ANSWER ✔✔lowers blood calcium levels
parathyroid - 🧠 ANSWER ✔✔4 small glands that regulate calcium
metabolism, raise blood calcium levels
thymus - 🧠 ANSWER ✔✔gland in the thoracic cavity above the heart where
T lymphocytes mature, produce thymosins that help develop immune
system
