BIOS 255 Week 3 Exam Study Guide- Get ready for success by downloading for revision."

BIOS 255 Week 3 Exam Study Guide- Get ready for success by downloading for revision." • This examination covers content learned in weeks 3 & 4 (Ch. 20 and first half of Ch. 21) • This midt erm exam is worth 110 total points, and includes the following types of questions: o 24 Multiple choice @ 3 pts o 1 Matching @ 5 pts o 2 Multiple answers @ 4 pts o 1 Calculation question @ 5 pts o 1 Short answer @ 5 pts o 1 Essay @ 15 pts • You have 75 minutes to complete the Exam Ch. 19 (Review) Review Figure 19.7, p. 695. Learn the locations and names of all valves shown. Read Section 19.6e, pp. 718, 719, “Exercise and Cardiac Output” Describe cardiac events that occur during exercise. Ch. 20 Refer to Figure 20.2, p. 727. Describe the histology and functions of the blood vessels shown in this figure. What is the function of the hepatic portal system? Which regions of the body are connected by the system? Where is the circle of Willis located? What is its function? Define filtration and reabsorption between capillary and tissues What is capillary hydrostatic pressure? What creates this pressure? What is colloid osmotic pressure? What creates this pressure? What is edema? How does it relate to colloid osmotic pressure? Study Figure 20.8, p. 731. Describe the distribution of blood in the body. Discuss the effects of parasympathetic activity, blood viscosity, systemic vasodilation, ventricular contractility, and heart rate on blood pressure. What is the formula for mean arterial pressure? Calculate the mean arterial pressure using the following information. Systolic pressure = 120 mmHg Diastolic pressure = 75 mm Hg Is blood in the umbilical and pulmonary arteries considered oxygenated? Explain why or why not. Briefly describe the mechanisms involved in venous return to the heart, pp. 744, 745 Define vasomotor tone, see page 557, Figure 15.10 Study Figure 20.26, p. 751. Learn the names of all vessels in the image. Study Figure 20.27a, p. 752. Learn the names of all vessels in the neck and shoulder regions. Identify the regions of the body that are drained by the superior vena cava. (Figure 20.32, p. 758) Identify the regions of the body that are drained by the internal and external jugular veins, inferior vena cava, and cephalic veins. On pp. 759, 760 the major branches of the abdominal aorta are listed. Names these arteries and the regions of the body that they supply blood to. Follow the path of blood from the basilic vein to the superior vena cava (Figure 20.40, p. 769) Review Figure 20.46, p. 775, Learn the names and locations of the arterial pressure points. Ch. 21 Study Figure 21.1, p. 784. Which of the structures shown are lymphatic organs? Discuss the composition of lymph. How is it created? Identify the regions of the body drained by the right lymphatic duct and the thoracic duct. (Figure 21.5c, p. 787) What is MALT? Provide examples of MALT and where it is located. Where do T cells mature? Where do B cells mature? Possible Essay Question Topics: Review Figure 20.18, p. 742. Describe the events that are occurring. What is vascular resistance (R)? What factors affect vascular resistance? Trace the path of lymph from the right hand to the right lymphatic duct. What structures does the lymph pass through? Trace the path of lymph from the right thigh to the thoracic duct. What structures does the lymph pass through?