CHS 200 FINAL (UNR) EXAM QUESTIONS & ANSWERS
Biological structure of influenza - Answers - -enveloped RNA virus
-single stranded RNA that replicates within the host cells nucleus
How does influenza replicate? - Answers - it injects its genetic material into a host cell
and takes over its functions
How does the influenza virus get from host cell to the rest of the body? - Answers - the
virus makes viral RNA within the host cell until it bursts, releasing the new viruses
What was the 1918 pandemic called? - Answers - spanish influenza
How many people did the 1918 pandemic kill? - Answers - -200-250 million deaths total
-500,000+ in america
What was unique about the spanish influenza? - Answers - it killed seemingly healthy
people
What is the myxoma virus and why is it important? - Answers - -virus similar to small
pox introduced to rabits in australia to kill them off
- example of decreased virulence and increased pathogenicity
Why is H1N1 no longer the killer it used to be? - Answers - it is less pathogenic and
less virulent
What does MRSA stand for? - Answers - methicillin-resistant staphylococcus aureus
Who is at the greatest risk for MRSA? - Answers - the very old, very young, those with
compromised immune systems, those who just had surgery
Where is MRSA caught? - Answers - dorms, military barracks, correctional facilities,
daycares, locker rooms, hospitals
What are the different types of cholesterol? - Answers - low density lipoproteins and
high density lipoproteins
What causes myocardial infarction? - Answers - oxygen starvation of the heart muscle
due to plaque buildup
Where does cholesterol come from? - Answers - animal products and the liver
What happens when cholesterol contacts the artery? - Answers - -ldls deposit into
arterial walls
-macrophages engulf ldls and becomes a fatty streak
Biological structure of influenza - Answers - -enveloped RNA virus
-single stranded RNA that replicates within the host cells nucleus
How does influenza replicate? - Answers - it injects its genetic material into a host cell
and takes over its functions
How does the influenza virus get from host cell to the rest of the body? - Answers - the
virus makes viral RNA within the host cell until it bursts, releasing the new viruses
What was the 1918 pandemic called? - Answers - spanish influenza
How many people did the 1918 pandemic kill? - Answers - -200-250 million deaths total
-500,000+ in america
What was unique about the spanish influenza? - Answers - it killed seemingly healthy
people
What is the myxoma virus and why is it important? - Answers - -virus similar to small
pox introduced to rabits in australia to kill them off
- example of decreased virulence and increased pathogenicity
Why is H1N1 no longer the killer it used to be? - Answers - it is less pathogenic and
less virulent
What does MRSA stand for? - Answers - methicillin-resistant staphylococcus aureus
Who is at the greatest risk for MRSA? - Answers - the very old, very young, those with
compromised immune systems, those who just had surgery
Where is MRSA caught? - Answers - dorms, military barracks, correctional facilities,
daycares, locker rooms, hospitals
What are the different types of cholesterol? - Answers - low density lipoproteins and
high density lipoproteins
What causes myocardial infarction? - Answers - oxygen starvation of the heart muscle
due to plaque buildup
Where does cholesterol come from? - Answers - animal products and the liver
What happens when cholesterol contacts the artery? - Answers - -ldls deposit into
arterial walls
-macrophages engulf ldls and becomes a fatty streak
