on MICROBIOLOGY Chapter 12 Read the case history and then answer the questions.

Question

on MICROBIOLOGY Chapter 12

Read the case history and then answer the questions. An Influenza Pandemic Reaches College Eighteen-year-old Aisha was a first-year student at a small private college in New England. In the fall of 2009, the campus implemented management procedures for the expected H1N1 influenza pandemic. Students with flu symptoms were told to "self-isolate" and to report their status on a college webform. By the end of October, there were 50 students reporting per week. One night, Aisha felt hot, flushed, and unsteady on her feet. Her thermometer showed a temperature of 39°C (102°F). She started coughing, and she felt extremely tired. She managed to find the webform on her computer, although her arm was shaking and she made false starts. Finally, she typed her information and confirmed her status report. A college security officer arrived at her room wearing a face mask. The officer gave Aisha a face mask and told her to collect her essential personal items and books; Aisha did the best she could in her fevered state. The officer drove her to a separate residence reserved for suspected H1N1 cases. There, Aisha lay in the bed and tried to sleep. In the morning, a nurse's aide brought a tray of food and medication, including oral oseltamivir (Tamiflu) and inhaled zanamivir (Relenza). The tray was left on the floor in the hallway, outside Aisha's isolation room. Aisha had to drag herself out of bed to open the door and get the tray. She was required to stay in the isolation room until 2 days after her temperature returned to normal. She and most other infected students made a full recovery, although one student was hospitalized with life-threatening complications.

Explanation / Answer

Hi Answer:

Part 1. Why was oseltamivir administered to Aisha?

Answer: Option A. Oseltamivir is effective in treating the symptoms associated with the flu.

Explanation: Oseltamivir is commonly used for the treatment of symptoms of the flu virus. It helps the flu patients by reducing the severance of flu symptoms such as stuffy nose, cough, sore throat, fever, tiredness etc.It also reduces the recovery time by 1-2 days. Oseltamivir can be used to prevent the influenza flu in the exposed person, who is living with or in a community where persons are already suffering from flu. It stops the growth of the virus, but it can not be taken as a substitute for the flu vaccine.

Part 2. What do the H and N in H1N1 represent?

Answer: Option A & B. H represents hemagglutinin AND N represent neuraminidase.

Explanation: The influenza viruses are mainly divided into 3 groups i.e. influenza A, B and C. H1N1 belongs to group A of influenza. The name H1N1 shows its unique traits which have some specific characteristics that identify the virus to the immune system and slows for attachment and replication of the virus. The ‘H’ (hemagglutinin) and ‘N’ (neuraminidase) are two type of proteins which are present in the outer shell of the virus. Every virus has different hemagglutinin and neuraminidase proteins which become the identifying feature of that particular virus.

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