Ch 7 Influenza

Question 1

Communicable disease that is easily transmitted through

Answer 1

Coughing and sneezing of aerosolized droplets

Question 2

Which is more common and produces more of a serious illness?

Answer 2

Influenza A

Question 3

Symptoms of the flu

Answer 3

Fever/Chills

Cough

Sore throat

Runny or stuffy nose

Muscle or body aches

Headaches

Fatigue

Question 4

Which symptom is more common in children than adults?

Answer 4

Vomiting and diarrhea

Question 5

Benefits of the Rapid Flu A & B

Answer 5

Enable appropriate therapy

Facilitate prompt treatment

Question 6

Some antivirals are only effective if administered within:

Answer 6

48 hours

Question 7

Benefits of antiviral use:

Answer 7

Reduce costs of ancillary diagnostic procedures

Reduce healthcare costs

Decrease unnecessary antibiotic use

Question 8

What nasal swabs should be used?

Answer 8

The ones provided in the kit

Sterile rayon, foam/polyester flexible NP swabs

Question 9

What swabs can you use in place of the ones in the kit?

Answer 9

Sterile rayon foam/polyester or HydraFlock solid shaft swabs

Question 10

Put the swab in the solution vial and rotate the swab:

Answer 10

3 times

Question 11

Test the liquid sample from the test vial:

Answer 11

As soon as possible

Question 12

Slowly add (drop by drop) the entire contents of the pipette (100uL)
to the:

Answer 12

Middle pad (white pad)

Question 13

Read results in window __ minutes after closing device

Answer 13

15

Question 14

Negative sample

Answer 14

Blue control line in the bottom third turns pink to purple color

Question 15

Blue control line turns pink/purple and a second pink/purple line appears in the middle third

Answer 15

Positive for Flu A

Question 16

Blue control line changes to pink/purple and a second pink/purple sample line appears in the top third

Answer 16

Positive for Flu B

Question 17

Positive Flu A is positive for:

Answer 17

Flu A protein antigen

Question 18

Positive Flu B is positive for:

Answer 18

Flu B protein antigen

Question 19

Potential errors are highly dependent on:

Answer 19

Prevalence

Question 20

When disease prevalence in the community is low:

Answer 20

False positives may occur

Question 21

When disease prevalence is high the community

Answer 21

False negatives may occur

Question 22

Minimize false results by:

Answer 22

Using rapid diagnostic tests with High sensitivity and specificity

Collect specimens as early in the illness as possible (within 4/5 days)

Follow manufacturers instructions

Question 23

Limitations:

A negative test

Answer 23

Does not exclude infection with the flu

Used in conjunction with clinical findings

Additional testing is required for any subtypes or strains

Question 24

Test performance depends on:

Answer 24

The amount of antigens in the specimen