Ch 21

Question 1

Strep throat

Answer 1

Sore throat. Difficulty swallowing. Fever. Lymph nodes are enlarged and tender.

Caused by streptococcus pyogenes (gram positive)
Epidemiology- direct contact and droplet infection.

Question 2

Acute rheumatic fever

Answer 2

Begins 3 weeks after strep throat.

Symptoms- fever, joint pain, rash, chest pains.

Question 3

Diphtheria

Answer 3

Symptoms- sort throat, fever, fratigue, malaise. 2-6 days after infection. Puffiness around eyes. Heart and kidney failure than accur.

Caused by corynebacterium diphtheria
Diseasecaused by diphtheria exotoxin realms by bacteria growing in throat.

Epidemiology- inhalation of infectious droplets. Contact with contaminated

Question 4

Common cold

Answer 4

Begin 1-2 days after infection. Malaise, scratchy throat, runny nose, cough, sneezing.

Caused by rhinovirus. More than 100 types.
Epidemiology- inhalation of infected droplets. Transfer of infectious mucus to nose or eye by contaminated fingers.

Question 5

Pneumococcal pneumonia

Answer 5

Signs- cough, fever, chills, shortness of breath, chest pain.

Caused by- streptococcus pneumoniae

Epidemiology- risk increased by alcoholism, chronic heart or lung disease, diabetes, cancer.

Question 6

Klebsiella pneumonia

Answer 6

Chills, fever, cough, bloody sputum.

Caused by klebsila pnuemonia

Epidemiology- health care associated

Question 7

Mycoplasmal pneumonia

Answer 7

Walking pneumonia
Signs- gradual onset of cough, fever, headache, fratigue, sputum production

Causative agent- mycoplasma pneumoniae

Epidemiology- mild infection and infected ppl spread it.

Question 8

Pertussis

Answer 8

Whooping cough

Catarrhal stage- runny nose, cough, fever
Paroxysmal stage- spasms of violent coughing.
Convalescent stage/ less frequent coughing as person recovers.

Caused by bordetella pertussis

Tdap vaccine.

Question 9

Tuberculosis

Answer 9

Signs- chronic fever, weight loss, cough, sputum production.

Incubation period- 2-10 weeks
Caused by mycobacterium tuberculosis
Epidemiology- inhalation of airborne organisms. Latent infections can reactivate.

Question 10

Hanta virus

Answer 10

Four corners regions of American southwest. Flu like symptoms but die whitin days.

Caused by sin bomber and related Hanna virus of bunyavirus family

Epidemiology- zoonosis. Human proximity to increasing MOuse population. No person to person spread.

No treatment