C) to remove pathogens and debris
Alveolar macrophages are primary phagocytes of innate immune system. Clearing the air spaces of infectious, toxic or allergic particles that are evaded tha mechanical defenses of the respiratory tract such as nasal passages the glottis and mucociliary transport system
What is the role of alveolar macrophages? A. To secrete pulmonary surfactant. B. To secrete antimicrobial...
Pulmonary surfactant is formed by: Alveolar macrophages Goblet cells Type I alveolar cells Type II alveolar cells
Stention and ventilator by : surfactant facilitates alveolar distention and ventila a. decreasing thoracic compliance bo attracting water to the alveolar surface C. decreasing surface tension in alveoli do increasing diffusion in alveoli He nurse use when there is a hest wall and inward I which of the following terms should the nurse use when balance between outward recoil of the chest wall and 1 recoil of lungs at rest? a. functional residual capacity (FRC) is reached b. Vital Capacity...
19) Macrophages (1 point) a) Are small cells that secrete histamine b) Include T-cells and B-cells c) Produce melanin d) None of the above 20) Cells that resorb bone matrix are: (1 point) a) Osteoblasts b) Osteocytes Osteoids d) None of the above 21) Circumferential lamellae (1 point) a) form layers around a vascular channel b) form layers in small struts c) form layers around the surface of bone underneath the periosteum d) None of the above 22) Which of...
1. Gas exchange in the respiratory system occurs between the A and B , C is inhaled and D is removed from the body by expiration. Answer: a) A: alveoli, B: capillaries, C: 02, D: CO2 b) A: alveoli, B: capillaries, C: CO2, D: 02 c) A: bronchi, B: capillaries, C: 02, D: CO2 d) A: bronchi, B: capillaries, C: CO2, D: 02 2. The lower respiratory tract consist the trachea, bronchi, bronchioles, and alveoli. Answer: a) True b) False...
1. Gas exchange in the respiratory system occurs between the A and B C is inhaled and D i s removed from the body by expiration. Answer: a) A: alveoli, B: capillaries, C: 02, D: CO2 b) A: alveoli, B: capillaries, C: CO2, D: 02 c) A: bronchi, B: capillaries, C: 02, D: CO2 d) A: bronchi, B: capillaries, C: CO2, D: 02 2. The lower respiratory tract consist the trachea, bronchi, bronchioles, and alveoli. Answer: a) True b) False...
What is the primary role for the phloem in plants?
Question 6 What is the primary role for the phloem in plants? Selected Answer: movement of water and nutrients from the roots to the leaves Answers movement of water and nutrients from the roots to the leaves a. transportation of glucose in the form of sap to the tissues b. gas exchange and photosynthesis C. structural support d.
4. What is the role of each of the following accessory proteins in replication? a. Helicase – b. Sliding clamp protein – c. RNA primase – d. DNA ligase –
What strategy is NOT part of evolutionary medicine? A.) Understanding the role of the human microbiome. B.) Understanding how life began on Earth. C.) Reducing the incidence of emerging infectious diseases. D.) Stimulating the development of new antimicrobial drugs. With explanation regarding the why or why not of each option. Thanks.
You are a Biomedical Engineer interested in developing new drugs to help breathing in premature babies. Surfactant is a complex mixture of phospholipids, ions and proteins. It plays a critical role in increasing oxygen exchange in the alveoli of the lungs, by decreasing the surface tension of water on the alveoli surfaces. If surfactant is at abnormally low levels, then the attraction of water molecules for each other, and hence the surface tension, increases. This increased surface tension causes increased...
Who developed the exchange of evidence principle? A) Galton B) Osborn 8. C) Locard D) Gross A Criminalist qualified as an expert witness in a court of law my render an as to their interpretation of the results of the forensic 9. analysis performed as they pertain to the case. 10. What does (P.P.E.) stand for within the Forensic Science Field as it relates to personal safety? A) Proper Packaging of Evidence B) Proper Placement of Evidence C) Personal Protective...