Clicker Questions for 2nd ExamLecture 12. ( 1 Q missing)1. Which of the following acts on viral replication? a. Complementb. Interferonc. Lysozymed. Perforin2. Which of the following contribute to innate immunitya. Interferon, mucous membranes and cytokines b. Inflammationc. Pyrogensd. All of the above3. Complement a. Is a series of proteins that assist in fighting infections b. Is associated with phagocytosis and cytolysis c. Is made in the spleend. A and B are correctLecture 134. Complement a. Is a series of proteins that assist in fighting infectionsb. Is associated with phagocytosis, cytolysis, and inflammationc. Is made by the liverd. All the above are true 5. As part of the processing of a foreign microbe, an antigen presenting cell first digests it into fragments and also synthesizes and packages a. Interferonb. MHC- II c. Antibodiesd. MHC-I 6. In cell-mediated immunity, the antigenic cell/molecules is destroyed bya. Natural killer cellsb. Opsonizing antibodiesc. Complementd. Cytotoxic T cells7. Cytotoxic T cellsa. are activated by APCsb. express CD4 co-receptors in their plasma membranesc. recognize antigen- MHC II complexesd. A and B are correct8. Cytotoxic T cella. are activated by APCsb. Express CD8 co-receptors in their plasma membranesc. recognize antigen- MHC II complexesd. A and B are correct9. In the innate immune system the antigenic cell/molecule is destroyed bya. Natural killer cellsb. Opsonizing plasma proteinsc. Antibodiesd. Cytotoxic T cells10. T lymphocytes can recognize and react to a. Bacteriab. Polysaccharidesc. Peptidesd. Nucleic acids11. ACPs express MHC Ia. Trueb. False12. Antibodies are immunoglobulinsA. TrueB. False13. Antibodies tag antigen for destruction via complement activationa. Trueb. False14. B lymphocytes reach maturation in the thymusa. Trueb. False15. Innate defense includes a. Interferonsb. Cytotoxic T lymphocytesc. Antibodiesd. All of the aboveLecture 1616. Expiratory reserve volume equals FRCa. Trueb. False17. The respiratory system is at equilibrium at FRCa. Trueb. False18. The conducting portion of the airway extends to the a. Terminal bronchiolesb. Bronchiolesc. Tertiary bronchid. Alveolar duct19. Each alveolus is lined principally bya. Type II cellsb. Type I cellsc. Epithelial cellsd. A and C are correct20. Lung tissue is supplied by thea. Pulmonary arteryb. Aortac. Bronchial arteriesd. Inferior vena cava21. The volume of air remaining in the lungs at the end of an expiration is thea. FRCb. Residual volumec. Expiratory reserve volumed. None of the above22. The volume of air remaining in the lungs at end of an expiration is approximatelya. 5000mLb. 500mLc. 2500mLd. None of the above23. The amount of carbon dioxide produced by tissue cells, divided by the amount of oxygen consumed by the cells, is called the ------------quotient. This quotient approaches……. When cells are consuming only carbohydratea. Gas exchange; 0.7b. Respiratory; 1.0c. Respiratory; 0.7d. Gas exchange; 1.024. To say that hemoglobin is fully saturated means that a. oxygen is attached to both the heme and the globin portions of the moleculeb. It is carrying both oxygen and carbon dioxidec. Some molecule other than oxygen is attached to the oxygen bonding sites on the hemoglobind. There is one oxygen molecule attached to each of the four heme