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BIO 202L – 90+ Q&A | Exam 1 Lab Review | Endocrine, Cardiac Anatomy, ECG, Hormones

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2025/2026 Written for academic year
Institution Chamberlain College Of Nursing
Course BIO 202L
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This resource includes over 90 exam-verified Q&A specifically prepared for BIO 202L Exam 1 (2025/2026), covering lab-based content in endocrine and cardiovascular systems. Designed for students in nursing, health sciences, biology, or pre-med programs, this review guide delivers core lab knowledge required for successful performance in A&P practicals and written tests. Key topics include: Endocrine system overview: hormone types, gland functions, negative vs. positive feedback Major glands & hormones: hypothalamus, pituitary, thyroid, parathyroid, adrenal, pancreas, pineal, thymus Hormone regulation: insulin, glucagon, cortisol, aldosterone, calcitonin, PTH, melatonin Pathologies: hypothyroidism, hyperthyroidism, diabetes mellitus, hyperglycemia Heart structure & physiology: chambers, valves, myocardium, pericardium, cardiac layers Coronary circulation and diseases: coronary arteries, coronary sinus, myocardial infarction Cardiac cycle & conduction: SA/AV nodes, bundle branches, Purkinje fibers ECG interpretation: P-wave, QRS complex, T-wave, heart rate definitions Histology ID: thyroid gland, islets of Langerhans, anterior/posterior pituitary This document is ideal for: University students preparing for BIO 202L Exam 1 or related A&P lab courses Learners pursuing careers in nursing, EMT, biology, pre-PA, or medical programs Review before lab practicals, quizzes, or certification tests involving hormone pathways or cardiac physiology Formatted in clear Q&A style, it serves as a high-impact, rapid-recall reference that aligns with modern lab curricula and visual aids (e.g., histology slides, ECG graphs). Keywords: BIO 202L, endocrine system, cardiac anatomy, hormone regulation, ECG waves, adrenal gland, pituitary gland, thyroid, pancreas, islets of Langerhans, heart valves, cardiac cycle, SA node, AV node, myocardial infarction, blood glucose, diabetes, heart rate, tachycardia, bradycardia, histology lab, exam 1 review, A&P lab practical

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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

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