MLT 106 Exam 1 2025/2026 Exam
Questions Marking Scheme New Update
| A+ Rated
Most bacteria are not pathenogenic; indeed that are - 🧠ANSWER
✔✔Beneficial
Acid fast stain if red - 🧠ANSWER ✔✔acid fast
Acid fast stain if green - 🧠ANSWER ✔✔NOT acid fast
Spore stain if red - 🧠ANSWER ✔✔endospore
Spore stain if green - 🧠ANSWER ✔✔veg (vegetables are green)
Plasmids allow "swapping' of genes and this can result in - 🧠ANSWER
✔✔antibiotic resistance
groups of various bacteria come to live as a colony; difficult to treat. -
🧠ANSWER ✔✔biofilms
Waterpipes, contact lens cases, catheters, VAP ventilators - 🧠ANSWER
✔✔where biofilms form
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, /Streptococcus pneumonia/
/Haemphilus influenza/
/Klebsiella pneumonia/
have what feature that make them more virulent? - 🧠ANSWER ✔✔Capsule
Pseudomonas aerugenosa, is a deadly, ubiquitus bacteria lives in soil. It
has a thinner, less tightly bound glycocalyx called a - 🧠ANSWER ✔✔slime
layer
isotonic solution - 🧠ANSWER ✔✔same number solutes in and out. don't
move.
hypotonic - 🧠ANSWER ✔✔Fluid moves into cell. can withstand 300x
difference (bec of cell wall)
hypertonic solution - 🧠ANSWER ✔✔dessication occurs, cell membrane can
pull away from cell wall
Staph. aureas is normal epidermal flora, but can cause food poisoning.
How? - 🧠ANSWER ✔✔makes enterotoxins
Exotoxins - 🧠ANSWER ✔✔made by bacteria, eg. Botulism
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
Questions Marking Scheme New Update
| A+ Rated
Most bacteria are not pathenogenic; indeed that are - 🧠ANSWER
✔✔Beneficial
Acid fast stain if red - 🧠ANSWER ✔✔acid fast
Acid fast stain if green - 🧠ANSWER ✔✔NOT acid fast
Spore stain if red - 🧠ANSWER ✔✔endospore
Spore stain if green - 🧠ANSWER ✔✔veg (vegetables are green)
Plasmids allow "swapping' of genes and this can result in - 🧠ANSWER
✔✔antibiotic resistance
groups of various bacteria come to live as a colony; difficult to treat. -
🧠ANSWER ✔✔biofilms
Waterpipes, contact lens cases, catheters, VAP ventilators - 🧠ANSWER
✔✔where biofilms form
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, /Streptococcus pneumonia/
/Haemphilus influenza/
/Klebsiella pneumonia/
have what feature that make them more virulent? - 🧠ANSWER ✔✔Capsule
Pseudomonas aerugenosa, is a deadly, ubiquitus bacteria lives in soil. It
has a thinner, less tightly bound glycocalyx called a - 🧠ANSWER ✔✔slime
layer
isotonic solution - 🧠ANSWER ✔✔same number solutes in and out. don't
move.
hypotonic - 🧠ANSWER ✔✔Fluid moves into cell. can withstand 300x
difference (bec of cell wall)
hypertonic solution - 🧠ANSWER ✔✔dessication occurs, cell membrane can
pull away from cell wall
Staph. aureas is normal epidermal flora, but can cause food poisoning.
How? - 🧠ANSWER ✔✔makes enterotoxins
Exotoxins - 🧠ANSWER ✔✔made by bacteria, eg. Botulism
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
