MDS PREP
A 55-year-old male with a history of chronic obstructive pulmonary disease (COPD) presents with increasing shortness of breath and cough with greenish sputum. His chest X-ray shows consolidation in the right middle lobe. Which of the following is the most likely pathogen?
1) Streptococcus pneumoniae
2) Haemophilus influenzae
3) Mycoplasma pneumoniae
4) Legionella pneumophila
In a patient with COPD presenting with community-acquired pneumonia, the most common bacterial pathogen is Streptococcus pneumoniae. The consolidation on chest X-ray and the presence of purulent sputum are characteristic features of bacterial pneumonia.
Resorption of teeth is caused by
1. Cysts
2. Benign tumours
3. Malignant tumours
4. All of the above
Oral Pathology
Answer: 3
Which of the following cannot be used for incisor retraction
1) Roberts retractor
2) Split labial-bow
3) High labial-bow
4) Apron spring
Orthodontics
Answer: 3
The high labial-bow is typically used for molar retraction and is not designed for incisor retraction. In contrast, Roberts retractors, split labial-bows, and apron springs are all instruments that can be used effectively for retracting incisors during orthodontic treatment.