Pathogens for Lecture Exam 2

Question 1

Candida albica

1. gram reaction
2. reaction to oxygen
3. biochemical test
4. significant features
5. medical relevance

Answer 1

1. stains purple, small oval
2. faculative anaerobe
3. catalase +
4. ONLY FUNGUS
5. vaginal yeast infections

Question 2

Ehrlicha Chaffeensis

1. gram reaction
2. reaction to oxygen
3. biochemical test
4. significant features
5. medical relevance

Answer 2

1. Gram -, coccobacilli
2. _
3. _
4. non-motile, non-spore, highly pleomorphic, obligate intracellular
5. transmitted by lone-star tick, and causes Ehrichiosis (fever, headache, backpain, GI)

Question 3

Haemophilus influenzae

1. gram reaction
2. reaction to oxygen
3. biochemical test
4. significant features
5. medical relevance

Answer 3

1. G-, coccobacilli
2. facultative anaerobe
3. catalase +, oxidase -
4. _
5. pneumonia, meningitis

Question 4

Moraxella catarrhalis

1. gram reaction
2. reaction to oxygen
3. biochemical test
4. significant features
5. medical relevance

Answer 4

1. G- , coccobacilli
2. aerobe
3. oxidase -
4. fastidious, non-motile
5. upper-resp. infections

Question 5

Streptococcus pyogenes

1. gram reaction
2. reaction to oxygen
3. biochemical test
4. significant features
5. medical relevance

Answer 5

1. G+, streptococci
2. facultative anaerobe
3. beta-hemolytic
4. non-spore, non-motile
5. skin infections

Question 6

Bordetella pertusis

1. gram reaction
2. reaction to oxygen
3. biochemical test
4. significant features
5. medical relevance

Answer 6

1. G- coccobacilli
2. aerobe
3. oxidase +, urease -, nitrate -
4. small, obligate, fastidious and non-motile
5. whooping cough