What are the three physical factors that influence pulmonary ventilation?

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Question 1: “You are the nurse in the clinic on the day Alexa finds out she has HIV. She remains in the clinic for more than an hour with you while you try to support and console her. You have had formal HIV counseling training, so you apply your skills as you communicate with her. Several weeks later, after Alexia is more composed and has had time to think more about her situation, she drops by the clinic and wants to talk with you on a more personal basis. She needs comforting. What approaches will you use with Alexa? Please explore how to use and apply the nursing ethical competencies to help Alexa. Be specific with your approaches and rationales. You can approach this issue keeping in mind the three key ethical principles of autonomy, beneficience and nonmaleficense as they relate to your nursing interventions.

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Question 2: CBRT Case Study Attached. Use article to answer questions below

1. Phosgene exposure causes inflammation and pulmonary edema that is deleterious to the function of the lungs. (a) What are the three physical factors that influence pulmonary ventilation? How would each of these factors be affected by inflammation and edema?

2. After exposure to phosgene gas, the partial pressures of both O2 and CO2 would be altered in the blood and tissues, because the mechanism for moving these gases in and out of the body has been compromised. After severe exposure to phosgene, what would you expect to find if you measured the partial pressure of oxygen (PO2) and carbon dioxide (PCO2) in the alveoli, the blood plasma, and the cells of the tissues?

3. The transport of oxygen and carbon dioxide in the blood is critical for survival. The victims with the most severe symptoms would need mechanical ventilation to overcome the inability of their respiratory systems to maintain normal blood levels of oxygen and carbon dioxide. Phosgene gas would reduce the amount of oxygen available for transport to the tissues. In addition, the metabolic waste product carbon dioxide is transported by three mechanisms back to the alveoli in the blood. Here carbon dioxide crosses the respiratory membrane, driven by a pressure gradient that favors its exit via the lungs during exhalation. By knowing which mechanism transports the most CO2, predict what would happen to the blood pH if the CO2 level dramatically increased?

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Question 3:  Give a brief description of Botox & briefly describes how it affects the nervous system and action potential conduction. You should have a minimum of 2 academically appropriate resources.

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Question 4:  Please read Controversy 13 in your text, about Childhood Obesity and Early Chronic Diseases. As with many public health concerns, there is a controversy around personal responsibility and environmental influence. This conflict is further complicated when it involves children. Discuss what individuals, groups, or agencies you think are responsible for addressing childhood obesity? Please propose two to three solutions to address this concern and provide evidence to support your ideas.

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Question 5: Please read the following scenario and submit a report with a response to each of the associated questions. Cite sources in APA style.