資訊推薦

• 15. 關於呼吸氣體流速(flow)的敘述，何者正確？1. Laminar flow流速較turbulent flow快，2. turbulent flow 的阻力可由Poiseuille公式來決定，
• 16. 關於低血氧症(hypoxemia)的敘述，何者正確？1. 因hypoventilaton 所導致hypoxemia，容易由調高FiO2而矯正，2. 因diffusion limitation所
• 17. 關於呼吸性機械力(respiratory mechanics)的敘述，何者正確？1. 肺結締組織(connective tissue)中膠原纖維 (collagen fiber) 有高抗張性(
• 18. 關於肺表面張力素(pulmonary surfactant)的敘述，何者正確？1. 表面張力素的存在會使呼吸較不費力(effortlessly)，2. 表面張力素的主要成分為surfactan
• 5. Please choose a statement that is not true for microbial toxins.(A) In AB toxins, the "A&quo
• 6. Antibiotics can kill or inbibit microbial growth. Please choose a correct description.(A) Vancomy
• 7. Which of the following is not true about the light microscopy?(A) A shorter wavelength of light c
• 8. A new microbe has been discovered in the rumen(反芻胃) of sheep. Microscopyshows no evidence of a nu
• 9. All of the following statements are true except:(A) Col plasmids encode colicin which kills strai
• 10. Which of the following is MOST effective against resistant endospores?(A) 70% ethanol.(B) autocl
• 11. Which of the following is not a characteristic of active transport?(A) has a saturable uptake ra
• 12. Given a log phase bacterial culture with 106 cells per ml and a generation time of30 minutes, ho
• 13. Which of the following description about bacterial protein secretion pathway is notcorrect?(A) A
• 14. Which of the following is not true of capsules?(A) They help bacteria escape phagocytosis by hos
• 15. Methods useful for purification of viruses include(A) electron microscopy.(B) differential gradi
• 16. A complete virus particle is called a(A) capsid.(B) nucleocapsid.(C) virion.(D) cell.(E) matrix
• 17. Viruses with single-stranded RNA as their genome for which the base sequence isthe same as the v
• 18. Which of the following is true of viruses in the extracellular phase?(A) They possess many diffe
• 19. Viral capsids are generally constructed without any outside aid once the subunitshave been synth
• 20. When a viral genome is integrated into the host chromosome but does not result inthe lysis of th
• 21. Entry of a virus into the lytic cycle after lysogeny has been established is called(A) lysogenic
• 22. In which of the following stages of the viral infectious cycle do enveloped virusesusually acqui
• 23. The largest viruses known are the(A) poxviruses.(B) hepadnaviruses.(C) adenoviruses.(D) herpesvi
• 24. Which of the following uses ssDNA as the genome?(A) parvovirus(B) adenovirus(C) herpesvirus(D) p
• 25. Nonenveloped viruses most often gain access to cucaryotic host cells by(A) fusion with the host