Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Old Questions Part 4 1. Which of the following is a mechanism for regulating blood flow through arterioles? a. b. c. d. e. 2. Which of the following is a characteristic of capillaries? a. b. c. d. e. 3. 4. Small diameter Low rate of flow Very large number of these A and B All of the above True or False: Lymph vessels collect excess tissue fluid and proteins. Which of the following is a depiction of cardiac output (CO)? a. b. c. d. e. 5. Myogenic Regulation Machen’s thesis on arteriole regulation Bile regulation Gastrin feedback none of the above Stroke volume x breathing rate Breathing rate x tidal volume Stroke volume x residual volume Stroke volume x heart rate None of the above Which of the following is the protective layer of tissue that covers the heart? a. b. c. d. e. endothelium fibronectin aorta venae cavae pericardium 6. True or False: The heart sounds (lub-dub) are made by the shutting of the various heart valves. 7. Conducting tubes such as the , bronchi, and bronchioles are the means by which air is brought from the outside of the body to the inside. a. b. c. d. e. 8. The lipid like molecule which helps to decrease the surface tension of water, thereby reducing the amount of work it takes to inspire is called a: a. b. c. d. e. 9. trachea esophagus eustachian tube A and B All of the above detergent denaturant decongestant surfactant None of the above The volume of air that is exchanged under normal conditions is approximately 500 mls and is called the: a. b. c. d. e. Tidal volume Inspiratory reserve volume Expiratory reserve volume Residual volume Stroke volume 10. The upper chambers of the heart are called the chambers are known as the ventricles. a. b. c. d. e. and the lower sinuses vessicles capsules atria None of the above 11. In measuring aortic pressure, one would measure the high point, called the systole, and the low point, called the: a. b. c. d. e. diastole murmur monostole tristole None of the above 12. Hypertension (high blood pressure) leads to heart problems by reducing coronary blood flow for extended periods of time during: a. b. c. d. e. Atrial systole Isovolumetric contraction Ejection phase Ventricular diastole None of the above 13. The oxygen-hemoglobin association curve can shift due to changes in: a. b. c. d. e. temperature pH blood pressure A and B All of the above 14. Most of the carbon dioxide produced by the body is transported through the blood by: a. b. c. d. e. conversion to HCO3binding to hemoglobin dissolving in the blood dissolving in the lymph None of the above 15. The result of holding your breath is: a. b. c. d. e. PCO2 increases and pH increases PCO2 increases and pH decreases PCO2 decreases and pH increases PCO2 decreases and pH decreases None of the above 16. The strongest stimulant for breathing comes from: a. b. c. d. nitrogen oxygen carbon dioxide chlorine 17. The two types of receptors needed to maintain the correct respiration levels are central chemoreceptors and chemoreceptors: a. b. c. d. e. ancillary peripheral autonomic systemic None of the above Old Questions Part 4 18. The role of the central chemoreceptors is to detect: a. b. c. d. e. changes in air flow levels of HCO3oxygen levels through pH carbon dioxide levels through H+ or pH. None of the above 19. Pneumonia and pulmonary edema decrease respiration by: a. b. c. d. e. increasing the diffusion of oxygen and carbon dioxide decreasing the diffusion of oxygen and carbon dioxide reducing the amount of water in the lungs B and C None of the above 20. Waste removal from the body includes the following waste products: a. b. c. d. e. NH4 SO42PO43A and B All of the above 21. The kidneys function not only in the removal of wastes but also: a. b. c. d. e. salt balance water balance blood balance A and B All of the above 22. Which of the following is not a structure of the nephron? a. b. c. d. e. glomerulus proximal convoluted tubule distal convoluted tubule Loop of Henle All of the above are structures of the nephron 23. The site of blood filtration occurs in the: a. b. c. d. e. distal convoluted tubule loop of Henle glomerulus collecting tubule None of the above 24. Which of the following components of the glomerulus is responsible for preventing proteins from passing into the lumen from the blood being filtered? a. b. c. d. e. red blood cells podocytes collecting duct macrophages. All of the above 25. Which of the following is a function of the proximal convoluted tubule? a. b. c. d. e. secretes glucose secretes proteins secretes some drugs such as penicillin secretes vitamins none of the above 26. The level of concentration of urine appears to be dependent on the length of the: a. b. c. d. e. glomerulus proximal convoluted tubule loop of Henle distal convoluted tubule collecting tubule 27. The concentration gradient as you move further into the medullary region (further away from the cortex) of the kidney. a. b. c. d. e. increases remains the same decreases undergoes random fluctuations None of the above 28. ADH is stored in the: a. b. c. d. e. anterior pituitary posterior pituitary adrenal gland kidneys None of the above 29. Your body has osmotic receptors that can detect osmolarity fluctuations in your body. They are located in the: a. b. c. d. e. feet lungs liver hypothalamus none of the above 30. ADH acts on the collecting duct to insert water-permeable channels that are called: a. b. c. d. e. hydroporins aquaporins aldosterone renin none of the above 31. Buffers act to: a. b. c. d. e. cause large changes in pH prevent large changes in pH cause large changes in urine content prevent large changes in urine content None of the above