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- High Altitude Sickness The following story illustrates the development of a high altitude illness. You fly from Vancouver to Denver at 1,525 meters. That afternoon you rent a car and drive up to the trailhead at 2,438 m. You hike up to your first camp at 2,745 m. The next day you hike up to 3,048 m. You begin to have a severe headache and feel nauseous and weak. If your condition worsens, you may begin to have difficulty hiking. What causes altitude sickness? The concentration of oxygen at sea level is about 21% and the barometric pressure averages 760 mmHg. As altitude increases, the concentration remains the same but the number of oxygen molecules per breath is reduced. At 3,658 m the barometric pressure is only 483 mmHg, so there are roughly 40% fewer oxygen molecules per breath. Source: http://www.princeton.edu/~oa/safety/altitude.shtml Which of the following explains the problem with oxygen levels at high altitude? Select one: a. Active transport of O₂ is with the concentration…Select the letter of the choice that best completes the statement. The blood vessel that carries blood away from the heart to the lungs is called thea. pulmonary artery.b. pulmonary vein.c. coronary sinus.d. coronary artery.Select the letter of the choice that best completes the statement. The blood vessel that brings blood to the right atrium is called the a. pulmonary vein. b. aorta. c. pulmonary artery. d. vena cava.
- Select the letter of the choice that best completes the statement. The valve between the right atrium and the right ventricle is called the a. tricuspid valve. b. aortic semilunar valve. c. bicuspid valve. d. pulmonary semilunar valve.Select the letter of the choice that best completes the statement. The term “heart attack” is another name fora. rheumatic heart disease.b. myocardial infarction.c. heart block.d. congestive heart failure.Select the letter of the choice that best completes the statement. The name of the blood vessel that supplies the myocardium is the a. coronary artery. b. brachial artery. c. aorta. d. subclavian artery.
- Select the letter of the choice that best completes the statement. Collapse of the lung is calleda. pleurisy.b. pneumonia.c. pneumothorax.d. thoracentesis.which one of the following is a nursing doagnosis? A. PEPTIC ULCER B. Pneumonia C. Impaired gas exchange D. Myocardial infarctionThe term ______ is synonymous with the Bundle of His. A. Atrioventricular bundle B. Sinoatrial bundle C. Sinoatrial node D. Interventricular bundle A good example of a superficial vein in the upper extremity is the: A. Brachial B. Axillary C. Median cubital D. Brachial femoris
- Figure 10.1A A. Aorta B. Inferior vena cava C. Left auricle D. Left coronary artery E. Left pulmonary artery AB. Left ventricle AC. Pulmonary trunk AD. Right auricle AE Right ventricle BC. Right pulmonary artery BD. Superior vena cava BE. Right coronary artery 8 10 11 12 Figure 10.1A. Heart, Anterior 13 14 Figure 10.1B 15 A. Arch of the aorta B. Ascending aorta C. Inferior vena cava D. Left atrium E. Left pulmonary artery AB. Left ventricle AC. Pulmonary vein AD. Right atrium AE. Right pulmonary artery BC. BD. Superior vena cava 16 17 18 19 20 ventricle 21 22 23 Figure 10.1B. Heart, Posterior 3 45 67Select the letter of the choice that best completes the statement. A buildup of fat in the arterial walls can cause the disease ofa. gangrene.b. atherosclerosis.c. arteriosclerosis.d. aneurysm.Aorta SVC Pulmonary- trunk 3- Right pulmonary veins Left pulmonary veins IVC *Oblique pericardial sinus Anterior view 20. A surgeon needed to clamp the output of the heart and was searching for the space indicated by the pointer labelled "3". This space is called the a. Pulmonary artery b. Oblique sinus of the pericardium c. transverse sinus of the pericardium d. Superior vena cava e. Ascending aorta