30. An elderly patient with end-stage COPD comes to his pulmonologist because of breathing difficulties during daily tasks due to allergies. The doctor decides to place the patient on mechanical ventilation to manage this exacerbation of symptoms. What would be the appropriate ventilation strategy for this patient?

49. Peter experiences some shortness of breath during moderate levels of activity. He is checked out by a physician and is told his lungs and heart appear to be fine, but he is sent for more testing.  He goes through some respiratory diagnostic procedures that result in the following information: Given this information, calculate Peter’s vital capacity in mL Inspiratory capacity – 3865 mL Inspiratory reserve volume – 3400 mL Expiratory reserve volume – 950 mL Respiratory rate – 14 breaths/min

37. Alpha-1-antitrypsin (A1AT) is a protein secreted from the liver to counteract and inhibit the neutrophil enzyme Elastase. Elastase is used to destroy bacteria and debris in the lungs. Misfolding of the A1AT protein can lead to decrease liver secretion and increase Elastase function—leading to the destruction of tissue surrounding the alveoli. Which of the following would be symptomatic of misfolded A1AT?

23. Which of the following is NOT an area of the brain that is vulnerable to hypoxic insult?

51. I witnessed cheating and would like to schedule an appointment to discuss

50. A key feature of asthma that differentiates it from other pathologies that result in COPD is:

Which of the following statements is false regarding moderate calorie restriction?  

Which nutrient is most likely to reach toxic levels when consumed in large amounts from a supplement?

Severe potassium deficiency usually results from:

A college student is underweight and would like to gain weight. She is surprised when the dietitian tells her to: