Author: Anonymous

CASE 5:  A 7-year-old boy is taken to the emergency room by his mother after she finds him unresponsive in his bed. She states that her son was sent home from school 3 days earlier after showing flu-like symptoms. He awoke the next morning with body aches, a cough, a sore throat, and a runny nose. After 2 days of taking over-the-counter children’s cold medicine, he had not improved. Upon arriving at the hospital, he is dehydrated, pale, and shaky. The physician notes that he is wheezing and has slight difficulty breathing. A chest X-ray indicates pneumonia of the right lung, which is subsequently determined to be viral. The patient may have been able to avoid this illness if he had gotten the annual Flu Vaccine. Immunity obtained by vaccination would be considered both _____ and _____.

Why are narrow spectrum antibiotics recommended for use (instead of broad spectrum drugs) whenever possible?

Some other patients infected with the Hepatitis-B virus experience fatigue, loss of appetite, and additional signs and symptoms that last longer than 6 months (sometimes many years), eventually causing cirrhosis (scarring) of the liver or liver cancer. These infections are best described as:

CASE 3:  A missionary couple living in West Africa bring their 4-year old son to the nearest medical clinic. The child has bloody diarrhea, fever, and vomiting. The child’s mother reports that he has had these symptoms for the past 24 hours. A fecal specimen is taken and examined under the microscope. This particular organism can be identified in its trophozoite form due to the observed _____.

Which of the following could initiate inflammation?

CASE 3:  A missionary couple living in West Africa bring their 4-year old son to the nearest medical clinic. The child has bloody diarrhea, fever, and vomiting. The child’s mother reports that he has had these symptoms for the past 24 hours. A fecal specimen is taken and examined under the microscope. The signs and symptoms exhibited by this patient are consistent with bloody dysentery. Which of the following pathogens is the most likely cause of this illness?

Which of the following is true of the reverse transcriptase associated with retroviruses, such as HIV and FeLV?

How does a mild fever provide defense against disease?

HIV kills helper T cells in infected humans. How does this affect the infected individual’s immune response?

Which step in the phagocytosis process does activated complement directly improve?