NUR 612 EXAM 2 MOST RECENT 86 ACTUAL COMPREHENSIVE EXAM QUESTIONS AND VERIFIED CORRECT ANSWERS

NUR 612 EXAM 2 MOST RECENT 86 ACTUALCOMPREHENSIVE EXAM QUESTIONS AND VERIFIED CORRECT ANSWERS The characteristic vascular changes at the site of an injury produce: a. Blood vessel constriction after dilation b. Increased permeability and leakage. c. Tightening of the capillary endothelial cell junctions d. Pallor and swelling where the injury occurred b. Increased permeability and leakage. Which of the following statements is most likely to be accurate? Mast cells: a. "Can be activated through an intrinsic or extrinsic pathway." b. "Degranulate in response to chemical agents." c. "Reduce blood flow after activation." d. "Can be blocked by the therapeutic use of aspirin." b. "Degranulate in response to chemical agents." Which of the following is correct? Phagocytosis requires: a. Digestion of the capillary basement membrane during diapedesis b. A reduction in nitric oxide production. c. Formation of a phagosome by a mast cell d. A respiratory burst produced by the release of the primary lysosomal granules. a. Digestion of the capillary basement membrane during diapedesis. A person has a large open wound that has formed significant scare tissue. Which type of healing has occurred? a. Primary b. Secondary c. Debridement d. Regeneration b, Secondary Which statement indicates the nurse has an accurate understanding concerning passive immunity? Passive immunity: a. "Is produced after exposure to an antigen." b. "Is the result of an attenuated immunization." c. "Can last for years." d. "Can be transferred from a donor to a recipient." D. "Can be transferred from a donor to a recipient" Which information is most correct regarding IgA's? IgA's are: a. Measure able in the blood in very low concentrations b. The largest immunoglobulins. c. Found in saliva and other body secretions. d. Effective against parasites and allergies C. Found in saliva and other body secretions Which information is correct regarding the secondary immune response? a. A latent period or lag phase occurs. b. IgM is the primary immunoglobulin. c. IgG is significantly increased. d. Memory cells have to develop C. IgG is significantly increased. A nurse is asked about NK cells. How should the nurse respond? a. Only work alone to cause apoptosis b. Destroy abnormal cells with MHC class I markers c. Lack antigen-specific receptors. d. Mature in the thymus C. Lack antigen-specific receptors All immunity occurs when: a. The immune system produces a response to tissues of another individual. b. A disturbance occurs in the immunologic tolerance of self-antigens. c. Antigens are in the environment. d. An anaphylactic reaction occurs. A. The immune system produces a response to tissues of another individual. A person has a type I allergic reaction. Which pathophysiologic response is occurring? a. Antibody binds to tissue-specific antigen. b. Immune complexes are deposited in vessel walls. c. T lymphocytes, not antibodies, mediate the process. d. IgE and products of tissue mast cells are released. D. IgE and products of tissue mast cells are released Autoimmunity occurs when: a. Self-antigens stimulate molecular mimicry b. Transplanted tissues are rejected. c. The immune system recognizes self-antigens as foreign d. An acute rejection of a transplanted organ or tissue occurs. C. The immune system recognizes self-antigens as foreign Which information is correct regarding secondary immune deficiencies? a. Increased dietary zinc intake b. Caring for an older parent with Alzheimer disease c. Aspirin therapy that is prescribed by the physician d. Congenital or genetic defects in the neonate B. Caring for an older parent with Alzheimer disease. A person arrives at the clinic and reports mild tiredness and discomfort after exposure to a family member with the flue. The nurse suspects the person is in the: a. Convalescence period b. Incubation period c. Prodromal period d. Invasion period C. Prodromal period Which information is correct regarding parasitic and protozoan infections? a. These types of infections attach through pili (fimbriae) b. C. albicans is an example of a parasitic infection. c. Parasitic infections are transmitted from human to human. d. Malaria is a common parasitic infection D. Malaria is a common parasitic infection. A person has pneumoconiosis. Which information would the nurse find in the history of this person? a. Inhaled inorganic dust particles, resulting in a change in the lungs. b. Fractured ribs, causing paradoxical movement of the chest with breathing. c. Ruptured visceral pleura, which allows air or gas into the pleural space. d. Bronchial inflammation with a persistent abnormal dilation of the bronchi. A. Inhaled inorganic dust particles resulting in a change in the lungs. A child has asthma. Which pathophysiologic process occurs in this disease? a. Acute injury to the alveolocapillary membrane, producing severe pulmonary edema and shunting. b. Chronic inflammatory disorder, causing mucosal edema and reversible airflow obstruction. c. Airway obstruction, increasing resistance to airflow and decreasing flow rates, especially inspiratory flow. d. IL-17 impairs mucociliary clearance and contributes to bronchoconstriction. B. Chronic inflammatory disorder, causing mucosal edema and reversible airflow obstruction. A person has pneumococcal pneumonia. Which pathophysiologic process has occurred? a. Progressive airflow limitation is associated with an abnormal inflammatory response and is not fully reversible. b. Continual bronchial inflammation causes bronchial edema and increases the size and number of mucous glands and goblet cells. c. Abnormal permanent enlargement of the acini is accompanied by the destruction of alveolar walls without obvious fibrosis d. Inflammatory cytokines cause alveolar edema, which creates a medium for microorganisms that leads to consolidation. D. Inflammatory cytokines cause alveolar edema, which creates a medium for microorganisms that leads to consolidation. A person has a pulmonary embolism. What will the nurse find upon assessment? a. Positive PPD skin test, night sweats, weight loss. b. Productive cough, fever, pain behind the sternum c. Sudden pleuritic chest pain, dyspnea, unexplained anxiety d. Barrel chest, hyper resonant chest sounds, very little sputum. C. Sudden pleuritic chest pain, dyspnea, unexplained anxiety A newborn has a blunted ventilatory response to hypoxia. What process causes this to occur? a. Increased responsiveness in the respiratory center in the cerebral cortex. b. Reduced activity of the peripheral chemoreceptors c. Cell-mediated immunity not fully developed d. Nonadaptive responses from inspiratory intercostal muscles. b. Reduced activity of the peripheral chemoreceptors A child has laryngotracheobronchitis. Which information should the nurse remember when planning care for this child? Laryngotracheobronchitis: a. Is usually caused by parainfluenza. b. Usually occurs in the spring and fall c. Produces supraglottic edema and airway obstruction. d. Requires antibiotic therapy. a. Is usually caused by parainfluenza.