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- Stimulation of the peripheral chemoreceptors can cause which of the following? 1. Tachycardia 2. Decreased left ventricular performance 3. Increased pulmonary vascular resistance 4. Systemic arterial hypertension A. 1 only B. 2 only C. 4 only D. 1, 3, and 4 onlyThe mean intraluminal pressure in the pulmonary capillaries is A. 5 mm Hg B. 10 mm Hg C. 15 mm Hg D. 20 mm HgAfter oxygen diffuses into lung capillaries, it also diffuses into _______ and binds with _______. a. tissue fluid; red blood cells b. tissue fluid; carbon dioxide c. red blood cells; hemoglobin d. red blood cells; carbon dioxide
- Which of the following stimulates the production of erythrocytes? AMS high blood levels of carbon dioxide low atmospheric pressure erythropoietinThe hypoxic ventilatory response occurs when low arterial PO2 stimulates thea. aortic bodies.b. carotid bodies.c. central chemoreceptors.d. all of these.Which of the following is incorrect about pulmonary circulation? A. Pulmonary perfusion can increase during exercise with increasing the workload of right ventri. B.High distensiblity of pulmonary capillaries allow increase blood flow C. Pulmonary circulation operates at a low pressure of 15mm Hg on average D. None of the above is Incorrect ..
- MAP of the pulmonary system is 21 mmHg, Left Atrial Pressure is 3mmHg, and Flow is 5625ml/min. What is the resistance of the pulmonary circuit? Would this be higher or lower resistance than the systemic circuit? Why do you think so?Which of the following stimulates the production oferythrocytes?a. AMSb. high blood levels of carbon dioxidec. low atmospheric pressured. erythropoietinWhich of these values would normally bethe highest?a. tidal volumeb. inspiratory reserve volumec. expiratory reserve volumed. residual volumee. vital capacity
- It is not usually necessary to assess arterial blood gases when diagnosing and treating asthma. However, this information can sometimes be useful in severe asthma attacks. Suppose that a patient had a PO2 of 60mm hg and a PCo2 of 30mm hg when the patient first went to the emergency room. Explain how that could happen.Describe the association between pulmonary hypoxic vasoconstriction, COPD and cor pulmonaleA nurse caring for a patient with chronic obstructivepulmonary disease (COPD) knows that hypoxia mayoccur in patients with respiratory problems. What aresigns of this serious condition? Select all answers thatapply.a. Dyspneab. Hypotensionc. Small pulse pressured. Decreased respiratory ratee. Pallorf. Increased pulse rate