Mycoplasma+chlamydia

Question 1

What is the difference between staphylococcus aureus and mycoplasma? 
A) Cell membrane 
B) Peptidoglycan
C) Ribosomes 
D) RNA

Answer 1

B) Peptidoglycan

Question 2

A 24-year-old man experienced urethral discharge, on examination the culture showed
many pus cells but no other organism was detected, what could be a possible cause of this? (IMPORTANT Q)
A) Neisseria gonorrhea
B) Haemophilus influenza
C) Mycoplasma hominis

Answer 2

C)Mycoplasma hominis

Question 3

A child presented with pneumonia. He had a prominent chest X-ray and a blood test showed hemolytic anemia. What might be the cause of this? (11’ final)

Answer 3

Mycoplasma pneumonia

Question 4

Why can’t we treat patients with chlamydia by β-lactames?

Answer 4

Because it does not contain peptidoglycan

Question 5

10 year old child presented with cough with expectorant and hemolytic anemia, no fever.

Answer 5

Mycoplasma pneumonia

Question 6

A man presented with urethral discharge. Microscopy of the discharge showed a lot of pus cells but no stainable microorganisms in gram smear. What could be the causative agent?
A) Mycoplasma pneumonia
B) Chlamydiae trachomatis
C) Mycoplasma hominis

Answer 6

B) Chlamydiae trachomatis

Question 7

What is a characteristic of mycoplasma species?
A) They lack a cell wall
B) They lack cell membrane
C) they can’t grow in artificial media

Answer 7

A) They lack a cell wall

Question 8

What is a characteristic of mycoplasma? * Final 2009

Answer 8

No cell wall

Question 9

What does characterize mycoplasma?

Answer 9

Lack of cell wall :)

Question 10

A man presented with urethral discharge. Microscopy of the discharge showed a lot of pus cells but no stainable microorganisms in gram smear. What could be the causative agent?

Answer 10

Chlamydiae trachomatis

Question 11

What is a characteristic of mycoplasma species?

Answer 11

They lack a cell wall

Question 12

What causes atypical Pneumonia in Children?
A- M. Hominis
B- M. Pneumonia

Answer 12

B- M. Pneumonia

Question 13

Which organism causes Lymphogranuloma venereum?

Answer 13

Chlamydia trachomatis

Question 14

Which of the following causes ophthalmia neonatorum?(FB2 2013)

Answer 14

Chlamydia trachomatis

Question 15

Which organism is an important cause of blindness especially in developing countries?(Final 2013)
A. Mycoplasma
B. Chlamydia trachomatis

Answer 15

Chlamydia trachomatis

Question 16

What characterizes Mycoplasma? ( FB2 2014 )
A) Lack of cell wall
B) Lack of plasma membrane

Answer 16

Lack of cell wall

Question 17

Which of the following bacterial pathogens cause urethral discharge and cannot be visualized?( FB2 2014 )

Answer 17

chlamydia trachomatis (if there was gonorrhea maybe it is the correct one coz of I&I)

Question 18

Which of the following microorganism causes ophthalmia neonatorum?(FINAL 2014 )

Answer 18

chlamydia trachomatis