QUESTION 72 Inactivated tetanus toxin is a(n) O inactivated whole-agent vaccine. subunit vaccine. O conjugated vaccine. O toxoid vaccine. O nucleic acid vaccine.
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- Question 16 Within the context of infectious disease, which of the following specimens would be considered irretrievable? Question 16 options: a) Wound swab b) Blood sample for therapeutic drug monitoring c) Cerebrospinal fluid d) Urine sampleQuestion 75 Which of the following considerations should be made when storing vaccines? Question 75 options: a) Keep the vaccines in the middle of the refrigerator b) Check the temperature of the refrigerator daily c) Rotate the stock of vaccines regularly, according to expiry date d) All of the aboveQuestion 80 An infectious disease researcher isolates the pathogen responsible for an emerging disease. The microbe is grown in the lab. A preparation of the laboratory-grown microbe is treated with a lethal dose of ionizing radiation and then tested for its potential as a vaccine. What type of vaccine is this? Question 80 options: a) An inactivated whole vaccine b) A combination vaccine c) A subunit vaccine d) An attenuated vaccine
- Question 20 Medical microbiology laboratories are using molecular methods more and more to facilitate pathogen identification. What are the advantages of molecular methods, compared to traditional cultures? Question 20 options: a) Molecular methods provide rapid, quantitative results even for pathogens that have mutated b) Molecular methods are associated with increased sensitivity and yield rapid results c) Molecular methods are associated with increased sensitivity, and yield rapid results related to susceptibility testing d) Molecular methods yield results that remain positive for a long period of time, and are resistant to contamination with commensal organismsQuestion 24 Which of the following specimens should be kept at room temperature to maintain the growth and viability of the causative pathogen? Question 24 options: a) Urine and blood samples should always be kept at room temperature b) Blood and cerebrospinal fluid for bacterial cultures should always be kept at room temperature c) Blood and fecal specimens should always be kept at room temperature d) Urine and sputum samples should always be kept at room temperatureQuestion 40 the immunoglobulin sequences involved in antigen binding is situated in: Question 40 options: The constant region of the antibody The hyper-variable region of the antibody C terminal of the antibody Area close to disulfide bridges Question 41 Redundancy in the genetic code means: Question 41 options: that many base substitutions in coding DNA are synonymous (silent) and do not affect the protein sequence that DNA sequence variations always affect the protein sequence DNA sequence is redundant protein translation is independent of the genetic code Question 42 The mismatch repair (MMR) components work closely with the DNA replication machinery. Question 42 options: True False
- Question 67Which of the following statements regarding chlamydia is correct? Question 67 options: a) Increased rates of infection are attributed to new serology screening methods b) Chlamydia infections cannot be transmitted from infected mothers to newborns c) Females between the ages of 15 and 29 represent the highest risk group for infection d) Males account for over 2/3 of reported casesQuestion 13 Additional precautions (in addition to routine practices) should be used when treating adult clients infected with: Question 13 options: a) Streptococcus pneumoniae b) West Nile Virus c) Influenza A d) Chlamydia trachomatisQuestion 32 Which of the following antibiotics should be used for rheumatic fever prophylaxis? Question 32 options: a) Tetracycline b) Trimethoprim-sulfamethoxazole c) Penicillin d) Clindamycin Question 32 (1 point) Which of the following antibiotics should be used for rheumatic fever prophylaxis? Question 32 options: a) Tetracycline b) Trimethoprim-sulfamethoxazole c) Penicillin d) Clindamycin
- Question 5  Antibiotic resistance might be assumed if 1. bacterial colonies are present on a streptomycin negative plate 2. bacterial colonies are present on a streptomycin positive plate 3. bacterial colonies are absent on a streptomycin negative plate 4. bacterial colonies are absent on a streptomycin positive plateQUESTION 5You are asked to recommend an antibiotic to treat potential pathogenicityt in an animal. Describe a method which will allow you to make this recommendation.QUESTION 20 All of the following are characteristics of pathogens that allow them to rapidly and effectively evolve, EXCEPT: a. Large genome size b. Large population size c. Short generation time d. High mutation rate