BIOS 255 (BIOS 255)

1. A missing p-wave indicated what structure is not depolarizing/firing properly thus not properly depolarizing the atrium? a. AV node b. SA node c. Bundle Branches d. Perkinje Fibers 2. When left ventricular pressure begins to increase, this will be the driving force to open what valve? a. Pulmonary valve b. Tricuspid Valve c. Aortic Valve d. Bicuspid Valve 3. What is CO with the following values: HR: 60 BPM Systolic BP: 120 mmHg, Diastolic: BP: 80 mmHg, Stroke volume: 60 mL/beat a. 1.5 L/min b...

BIOS 255 Week 7 Quiz – Download For Revision And Score An A+ 1. Question & Solutions: In which part of the respiratory system would you find the pharynx? 2. Question & Solutions: Elastic recoil o f the chest wall and lungs will stimulate which respiratory process? 3. Question & Solutions: The normal average respiratory rate of a healthy adult who is at rest is 4. Question & Solutions: The air in the alveoli differs from the air in the atmosphere in which of the following ways? 5. Question & So...

BIOS-255 Week 1 Assignment: The Cardiovascular System: Blood (graded)

BIOS 255 Week 8 Final Exam (Essay & Explanatory) – Download To Score An A+ 1. Question: Describe innate and adaptive immune systems, how they work and how they interact. 2. Question: Explain the v arious subclasses of antibodies – how they are similar, how they differ. 3. Question: Define ventilation, external respiration and internal respiration. Be sure to identify their functions and were they occur. 4. Question: Explain the neural control of ventilation including brain centers, sensory a...

BIOS 255 Week 1 Case Study-Coagulation 1.Discuss which clotting factors the PT and PTT test evaluate and whether each test measures the intrinsic or the extrinsic pathways. 2.Describe the common coagulation pathway. 3.Based on Jessie’s test, which factor deficiency do you believe he has and why? 4.Jessie’s clotting factor disease is seen more often in males. Please explain why. 5.If both the PT and the PTT tests were abnormally long, which part of the coagulation pathway would...

BIOS255 Week 3 Cardiovascular System: Blood Vessels Learning objectives: 1. Identify the structural layers of arteries and veins. 2. Distinguish between the structure of arteries and veins. 3. Explain the factors that affect arterial blood flow and blood pressure. 4. Define shock, and identify the signs of shock. 5. Identify key blood vessels of the cardiac, systemic, and pulmonary circulations. Introduction: Blood is transported around the body in 3 different types of blood vessels: arteries, c...

BIOS-255 Week 8 Exam 3 (Weeks 5, 6 and 7) Study Guide EXAM 3: STUDY GUIDE NOTES OXYGEN AFFINITY CURVES: look at the normal curve (blue) left shift or right shift Left shift greater hemoglobin capa city left shift caused by temperature Right shift binding oxygen reduced FIG 22. 26 Carbon monoxide competes with oxygen to binding site has greater affinity and shifts to the right. Ability to bind to hemoglobin is more than oxygen. Higher affinity delivered to tissue can’t do anything because it is...

BIOS 255 Anatomy and Physiology III with lab