Answer 15

15.   Choice C is the correct answer.  Pneumocystis is seen frequently in HIV patients and those who are severely immunosuppressed.  Pseudomonas is seen in those with structural lung disease and comorbid disorder such as cystic fibrosis, COPD, and patients with diabetes.

Question 15

15.  Your patient is a 64 year old HIV positive patient seen with a productive cough and a fever.  His chest x ray shows pneumonia.  Which of the following is the most likely organism?

1. Mycoplasma
2. Legionella
3. Pneumocystis 
4. Pseudomonas 

Answer 14

14.  Choice D is the correct answer.  Legionella can live in tap water.  It is an intracellular organism that lives in aquatic environments.

Question 14

14.  Which of the following is true regarding Legionella?

1. Person to person transmission is common
2. It cannot survive in tap water
3. It accounts for about 55% of community acquired pneumonias
4. It is an intracellular organism that lives in aquatic environments

 

Answer 13

13.  Choice B is the correct answer.  The most common organisms causing community acquired pneumonia are: S. Pneumonia, H. Influenza, M. Catarrhalis

Question 13

13.  Your patient is a 64 year old healthy male diagnosed with community acquired pneumonia.  Which of the following is the most likely causative organism?

A.  S. Aureus
B.  S. Pneumonia
C.  Mycoplasma
D.  Chlamydia Pneumonia

Answer 12

12.  Choice A is the correct answer.  Tachycardia tends be abnormal more times than the rest of these physical findings.  Distinct P2 is rarely heard.  The majority of patients with pulmonary emboli do not exhibit hypoxemia.

Question 12

12.  Your patient is a 24 year old female that you have a high suspicion for having a pulmonary embolus.  Which of the following physical exam findings tend to be abnormal most frequently?  

A.  Tachycardia

B.  Distinct P2

C.  Clinical signs of DVT

D.  Hypoxemia

Answer 11

11.  Choice D is the correct answer.  Parainfluenza virus is the most likely organism to cause croup.  If the patient was non immunized and had a history of drooling epiglottitis would be a consideration.  H. Influenza is the most likely organism causing epiglottitis. 

Question 11

11.  Your patient is a 18 month old male that presents with a sudden onset os stridor and a barky cough.  The patients immunizations are up to date.  There is no history of drooling.  Which of the following organisms are the most likely infective agent?

A.  Streptococcus
B.  H. Influenza
C.  Adenovirus
D.  Parainfluenza