BIOS 255

This BIOS 255 Exam 1 study guide provides 2026–2027 updated questions and verified answers with expert rationales for human anatomy and physiology, specifically hematology and cardiovascular system topics. The guide covers heart anatomy, blood oxygenation, formed elements and their functions, and major functions of blood, making it an ideal resource for college students and nursing students preparing for exams. Structured for clear exam-style review, this resource ensures students can identif...

Exam BIOS 255 / BIOS255 (2025/ 2026 Update) Anatomy and Physiology III Complete Guide | 100% Correct| Grade

BIOS 255 EXAM 3 (Latest 2024 / 2025) Questions and Answers (Verified Answers)

BIOS 255 Exam 3 (Latest 2024 / 2025) Questions and Answers (Verified Answers)

BIOS 255 - Comprehensive Exam Most homeostatic regulatory mechanisms involve which feedback system? -Negative What is the name of the serous membrane that lines the surface of the stomach? -Visceral peritoneum A molecule that has an unequal number of protons and neutrons is known as an -ion Which type of chemical reaction consists of breaking down large molecules into smaller ones? -Decomposition Which of the following macromolecules plays a specific role in producing sex steroids? -...

Exam 1: Exam 2: Exam 3: Bios 255 : Questions & Answers

Exam 1: Exam 2: Exam 3: Bios 255 : Questions & Answers

1. Which method of acquiring adaptive immunity results from mother-to-baby immunoglobulin transfer via breast feeding? naturally acquired passive immunity 2. Which of the following is NOT a function of the lymphatic and immune system? Maintaining water and salt homeostasis in the body 3. Exhalation begins when inspiratory muscles relax 4. Which of the following precursor cells eventually give rise to platelets? megakaryoblast

1) plays a role in immune function 2) temp regulation 3) pH regulation 4) gas/nutrients/ waste transport 5) regulates water loss

This valve is located between the right ventricle and the pulmonary artery. It stops blood from flowing backward into the right ventricle.