Homework #7
The primary response will peak how many days after an exposure?
10 - 17 days
Natural exposure to an infectious agent leads to:
Active immunity
Which of the following is the primary gas exchange site?
Alveolus
Which of the following is an inactive, self responsive cell?
Anergy Cell
The gas law that describes the pressure changes that occur during pulmonary ventilation is
Boyle's Law
Which structure prevents food or water from entering the trachea?
Epiglottis
Which of the following stimulates an immune response ONLY when it is attached to a large carrier molecule?
Hapten
Which of the following is a factor that affects pulmonary ventilation?
Lung compliance, suface tension of alveolar fluid, elastic recoil of the chest wall and lungs, airway resistance, (all of these answers are correct)
Which of the below tissues forms the exchange surfaces of the alveolus?
Simple squamous epithelium
Which of the following is NOT part of the upper respiratory system?
Trachea
Which structure is located anterior to the esophagus and carries air to the bronchi?
Trachea
Natural passive immunity is associated with which of the following?
Transfer of IgG from mother to fetus
Which of the following are cells of the alveoli that produce surfactant?
Type II alveolar cells
Which type of adaptive immunity will result from intravenous injection of immunoglobulins?
artificially acquired passive immunity
The inability of the immune system to protect the body from pathogens is a sign of
immunodeficiency disease
Which cells increase the permeability of blood vessels by releasing histamine?
mast cells
Which of the following leads to inflammation, enhancement of phagocytosis and lysis of microbes?
Classical and alternative complement systems
Which of the following is a conducting zone action?
Clean air of debris, conduct air into the lungs, add water to air, warm air, (these are all actions of the conduction zone
Which of the following indicates the direction of diffusion of gases at the alveoli of the lungs?
Oxygen into blood, Carbon dioxide out of blood
Which of the following is a passageway for air, food and water?
Pharynx
