BIOS 242 - Week 7 Quiz Graded A+

BIOS 242 - WBIOS 242 - Week 7 Quiz Graded A+ 1. Which of the following is a febrile disease characterized by a rash and is caused by a virus that can cross the placenta to cause serious fetal damage? - Rubella 2. The main causative agent of gas gangrene is _____ - Clostridium perfringens 3. Which of the following statements is incorrect about the MMR vaccine? - It contains toxoids. 4. The causative agent of trachoma is ______. - Trachomatis 5. Many gyms are abundantly supplied with towels and antimicrobial sprays for wiping down equipment after each user. The reason for this is to cut down on the transmission of ______. - Skin microbes like MRSA 6. Which of the following does not apply to Neisseria meningitides? - It is a common cause of bacterial pneumonia. 7. Spongiform encephalopathies are _________. A. associated with abnormal, transmissible, protein in the brain. B. chronic, fatal infections of the nervous system. C. caused by prions. D. Creutzfeldt-Jacob disease, kuru, and Gertsmann-Straussler-Scheinker syndrome. E. All of the choices are correct. - All of the choices are correct. 8. Production of a neurotoxin that binds to target sites on spinal cord neurons responsible for inhibiting skeletal muscle contraction is a characteristic of ______. - Clostridium tetani 9. Your friend was bitten by an aggressive dog with a history of biting without cause, and it is suspected to have rabies. The city health department recommends the rabies vaccination, even though she has already been exposed to the infectious agent. Which statement best describes why the vaccine can be given post-exposure? - The virus exhibits a long incubation period, and therefore, in many cases, this provides the vaccine adequate time to have a protective effect in the patient 10. The preferred preventative measure for polio in the United States is the _______. - Inactivated poliovirus vaccine (IPV) developed by Jonas Salk. 11. Most cases of sepsis are caused by ______. - Bacteria 12. Which of the following is not true of tularemia? A. Its symptoms include fever, swollen lymph nodes, ulcerative lesions, conjunctivitis, and pneumonia. B. It is a zoonosis. C. It is sometimes called rabbit fever. D. The causative agent is a gram-positive bacterium. E. It is transmitted by arthropod vectors. - The causative agent is a gram-positive bacterium. 13. Which type of hemorrhagic fever is also known as "breakbone fever" because of the severe pain in muscles and joints? - Dengue fever 14. Retroviruses have all of the following characteristics except ______. A) enveloped. B) glycoprotein spikes. C) viral genes integrate into the host genome. D) DNA genome. E) reverse transcriptase. - DNA genome eek 7 Quiz Graded A+