« previous next »

Author Question: Which of the following microorganisms commonly causes otitis externa? A. Streptococcus pneumoniae ... (Read 81 times)

Engineer

  • Hero Member
  • *****
  • Posts: 527
on: Jun 25, 2018
Which of the following microorganisms commonly causes otitis externa?
 
  A. Streptococcus pneumoniae
  B. Pseudomonas
  C. Moraxella catarrhalis
  D. Haemophilus influenza

Question 2

A 6-year-old child presents with complaints of unilateral ear pain, fever, and sore throat. The clinician should recognize that this is most commonly due to:
 
  A. Otitis externa
  B. Inner ear infection
  C. Sinusitis
  D. Otitis media


daiying98

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: B
Otitis externa (OE) is inflammation of the ear canal and outer ear. Frequent causes include pseudomonas and fungal organisms. It is frequently associated with swimming as well as trauma. Acute otitis media (AOM) involves infection of the fluid in the middle ear space. The three bacterial organisms most often associated with AOM include streptococcal pneumonia, Haemophilus influenzae, and Moraxella catarrhalis. Frequently, viral organisms coexist with one of the preceding bacterial causes.

Answer to Question 2

ANS: D
Acute otitis media (AOM) involves infection of the fluid in the middle ear space. The three bacterial organisms most often associated with AOM include streptococcal pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis. The patient often complains of unilateral ear pain, which may radiate to the neck or jaw. There is commonly a current or recent history of symptoms consistent with an upper respiratory infection.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

The toxin muscarine comes from the mushroom Amanita muscaria, more commonly known as fly agaric or m The toxin muscarine comes from the mushroom Amanita muscaria, more commonly known as fly agaric or m
Pathogenic Microorganisms and Resulting Diseases Cont Pathogenic Microorganisms and Resulting Diseases Cont
Commonly Abused Drugs Commonly Abused Drugs
Drugs Commonly Prescribed According to Classification Drugs Commonly Prescribed According to Classification
Commonly Used Equivalents for the Apothecary and Metric Systems Commonly Used Equivalents for the Apothecary and Metric Systems
Pathogenic microorganisms include (A) bacteria, (B) viruses, (C) protozoa, and (D) helminths. Pathogenic microorganisms include (A) bacteria, (B) viruses, (C) protozoa, and (D) helminths.
Video: Chemical Messengers Animation

For a complete list of videos, visit our video library