Bios255 Study guides, Class notes & Summaries

Exam 3: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Review Questions & Answers | 100% Correct | Grade A - Chamberlain Question: respiratory membrane Answer: thin barrier between the alveolar air and blood Question: The respiratory membrane consists of three layers: Answer: squamous alveolar cells endothelial cells of blood capillary their shared basement membrane Question: Describe the layers of the pleura membrane and the l...

Comprehensive Exam: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Study Guide Review Questions | 100% Correct | Grade A - Chamberlain Question: Which of the following statements best describes the meaning of a cross-bridge in the process of a muscle contraction? Answer: Myosin head attaching to the myosin binding sites of actin Question: During the ____________ phase of an action potential, Na+ is entering the cell, causing the membrane poten...

Exam 2: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Questions & Verified Answers | 100% Correct | Grade A - Chamberlain Question: principal variables that physiologically determine blood pressure Answer: resistance to flow blood volume cardiac output Question: cardiac output Answer: the amount of blood pumped out of the left ventricle per minute so it will directly influence blood pressure in the blood vessels. Question: local ...

Exam 1: BIOS 255 / BIOS255 (2024/ 2025 Update) Anatomy and Physiology III Review with Questions and Verified Answers| 100% Correct| Grade A -Chamberlain Q: albumin smallest and most abundant plasma protein viscosity and osmolarity Q: what do albumins influence Answer: blood pressure, flow, and fluid balance Q: globulins Answer: alpha, beta, gamma provide immune system functions Q: fibrinogen Answer: help form blood clots Q: RBCs (erythrocytes) c...

Exam 2: BIOS 255 / BIOS255 (New 2024/ 2025 Update) Anatomy and Physiology III Complete Guide | 100% Correct| A Grade Chamberlain Exam 2: BIOS 255 / BIOS255 (New 2024/ 2025 Update) Anatomy and Physiology III Complete Guide | 100% Correct| A Grade Chamberlain Heart Valves Answer: Semilunar: (pulmonary & aortic) Atrioventricular: (bicuspid & tricuspid) QUESTION Primary organs of the immune system Answer: Bone marrow and thymus QUESTION Secondary orga...

Exam 1: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Review Test Questions & Answers | 100% Correct | Grade A - Chamberlain Question: depolarization is due to Answer: calcium and sodium Question: repolarization is due to Answer: potassium Question: closing of the valves Answer: heart sound Question: 1st heart sound Answer: AV valves closing (lub) Question: 2nd heart sound Answer: Semilunar valves closing (dub) ...

Final Exam: BIOS 255 / BIOS255 (2024/ 2025 Update) Anatomy and Physiology III Complete Guide | 100% Correct| Grade A -Chamberlain Q: Primary organs of lymphatic system Answer: Red bone marrow and thymus Q: Secondary organs of lymphatic system Answer: Spleen, tonsils, lymph nodes, and MALT Q: Difference between lymph and interstitial fluid Answer: Location Q: Positive selection of B cells Answer: Occurs in Bone Marrow Q: Positive selection of...

Comprehensive Exam: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Test Questions & Answers | 100% Correct | Grade A - Chamberlain Question: _____________ channels respond to changes in membrane potential. Answer: Voltage-gated Question: Which of the following regulatory proteins covers the myosin-binding sites on actin? Answer: Tropomyosin Question: Calcium must bind to which protein to initiate muscle contraction? Answer: Tropo...

Exam 1: BIOS 255 / BIOS255 (New 2024/ 2025 Update) Anatomy and Physiology III Review | Questions and Verified Answers| 100% Correct| A Grade -Chamberlain Polycythemia excess of RBC QUESTION anemia Answer: too few RBC QUESTION sickle cell disease Answer: Genetic disorder in which red blood cells have abnormal hemoglobin molecules and take on an abnormal shape. QUESTION where are antigens found Answer: found on surface of RBC ...

Exam 2: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Focused Test Review | 100% Correct | Grade A - Chamberlain Question: 3 principle variables (select all that apply) Answer: resistance to flow blood volume cardiac output Question: Tunica intima Answer: endothelial cells simple squamous Question: Tunica media Answer: usually the largest layer controls diameter Question: corroded bodies Answer: monitor blood pH Que...