Podcast
Questions and Answers
Which of the following best describes the characteristic of Haemophilus influenzae?
Which of the following best describes the characteristic of Haemophilus influenzae?
- Gram-positive rods, encapsulated, facultative anaerobes
- Pleomorphic, ranging from cocci to filaments, obligate anaerobes
- Coccobacilli, capsulated, obligate intracellular parasites
- Gram-negative rods, unencapsulated or encapsulated, aerobic (correct)
Which of the following statements about Bordetella pertussis is correct?
Which of the following statements about Bordetella pertussis is correct?
- They are unencapsulated, facultative anaerobes that grow in biofilms.
- They are pleomorphic, ranging from coccobacilli to long, slender filaments.
- They are small, encapsulated coccobacilli that require cystine for growth. (correct)
- They are Gram-positive cocci that grow in pairs or chains.
Which of the following statements about Legionella pneumophila is correct?
Which of the following statements about Legionella pneumophila is correct?
- They are Gram-negative rods that contain lipopolysaccharide (LPS).
- They are obligate intracellular parasites that grow in amoebas. (correct)
- They are pleomorphic, ranging from cocci to filaments, and grow in pairs.
- They are small, encapsulated coccobacilli that require cystine for growth.
Which of the following is a characteristic shared by Haemophilus influenzae, Bordetella pertussis, and Legionella pneumophila?
Which of the following is a characteristic shared by Haemophilus influenzae, Bordetella pertussis, and Legionella pneumophila?
Which of the following statements about the capsular types of Haemophilus influenzae is correct?
Which of the following statements about the capsular types of Haemophilus influenzae is correct?
Which of the following statements about the growth requirements of Bordetella pertussis is incorrect?
Which of the following statements about the growth requirements of Bordetella pertussis is incorrect?
Which of the following statements about Legionella pneumophila is incorrect?
Which of the following statements about Legionella pneumophila is incorrect?
Which of the following cell-surface molecules are used for serotyping Haemophilus influenzae?
Which of the following cell-surface molecules are used for serotyping Haemophilus influenzae?
Which of the following statements about the growth requirements of Legionella pneumophila is correct?
Which of the following statements about the growth requirements of Legionella pneumophila is correct?
Which of the following statements about the morphology of Bordetella pertussis is incorrect?
Which of the following statements about the morphology of Bordetella pertussis is incorrect?
