Which of the following statements is TRUE regarding the mucociliary escalator?

Which of the following is FALSE about the diaphragm:

What is the purpose of the lymphatics in the respiratory system?

Which of the following is a function of an accessory muscle?

Mr. Rodriguez is a 67-year-old man with obesity, hypertension, and a history of elevated cholesterol levels. While walking up the stairs at home, he develops shortness of breath and severe chest pressure that radiates to his left arm. Cardiac imaging reveals a significant blockage in a coronary artery. Laboratory findings later indicate myocardial tissue death due to inadequate oxygen delivery. The area of dead myocardial tissue resulting from ischemia is called:

Which muscles are active during eupneic expiration?

Dev is a 19-year-old male who presents with persistent pain and swelling in his left distal femur that has gradually worsened over several months. Imaging reveals a destructive bone lesion, and biopsy confirms osteosarcoma. A chest CT identifies several small nodules in both lungs. The healthcare team explains that the cancer originated in connective tissue and that the lung findings may represent metastatic disease. Based on the tissue of origin, osteosarcoma is classified as:

Ted is a 68-year-old man with type 2 diabetes who underwent abdominal surgery 12 days ago. During a follow-up visit, the incision appears red and swollen, with a small amount of purulent drainage. His temperature is 101.2°F (38.4°C), white blood cell (WBC) count is elevated, and the edges of part of the incision have begun to separate. He reports that his blood glucose levels have been poorly controlled since surgery. Which diagnostic test would best identify the causative microorganism and guide antibiotic selection?

James is a 45-year-old office worker who presents with excessive thirst, frequent urination, and fatigue. He has a family history of diabetes, rarely exercises, and consumes a diet high in processed foods. A random blood glucose level was 235 via fingerstick in the office. Additional laboratory testing confirmed elevated blood glucose levels and a HgBA1c of 9.2%, leading to a diagnosis of Type 2 diabetes. The healthcare team develops a treatment plan that includes medication, nutrition counseling, exercise recommendations, and patient education. The healthcare team’s plan that includes medication, nutrition counseling, exercise, and patient education reflects which treatment approach?

Jessica, a 20-year-old college student, scraped her knee while jogging. The area became red, warm, swollen, and painful over the next several hours. Three days later, yellow drainage appeared from the wound, and a healthcare provider diagnosed a bacterial infection. Jessica is confused because she thought inflammation and infection were the same thing. Which of the following statements is true?