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NR505 Week 2 Quiz / NR 505 Week 2 Quiz (Newest-2023): Chamberlain College of Nursing (Verified Questions & Answers) $13.99   Add to cart

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NR505 Week 2 Quiz / NR 505 Week 2 Quiz (Newest-2023): Chamberlain College of Nursing (Verified Questions & Answers)

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NR505 Week 2 Quiz / NR 505 Week 2 Quiz (Newest-2023): Chamberlain College of Nursing (Verified Questions & Answers)

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  • August 21, 2023
  • 39
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
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1

, c. Signs & symptoms of disease

d. Transmission of infection

e. Isolation of disease carrier through quarantine

Rationale: The incubation period is defined as the interval from receipt of infection to the time

of onset of clinical illness. Accordingly, individuals may transmit infectious agents during the

incubation period as they show no signs of disease that would enable the isolation of sick

individuals by quarantine.




4. What is the diarrhea attack rate in persons who ate both ice cream & pizza?




a. 39/52

b. 21/70

c. 39/67

d. 51/67

e. None of the above

Rationale:

The attack rate in this example is defined as the number of persons who develop diarrhea divided

by the total number of people at risk. In this example, the at-risk group is those who have eaten

both ice cream & pizza. Of these 52 persons, 39 developed diarrhea.

, 5. What is the overall attack rate in persons who did not eat ice cream?




a. 30%

b. 33%

c. 35%

d. 44%

e. 58%

Rationale:

The attack rate is the number of persons with diarrhea (14 + 9) divided by the total number of

persons who did not eat ice cream (40 + 30).




6. Which of the food items (or combination of items) is most likely to be the infective

item(s)?

a. Pizza only

b. Ice cream only

c. Neither pizza or ice cream

d. Both pizza & icecream

e. Cannot be assumed from the data shown

Among persons eating ice cream, over 70% developed diarrhea regardless of their pizza

consumption (39/52 & 11/15). Among both groups of persons who did not eat ice cream, each

attack rate was equal to or less than 35% (14/40 & 9/30).

, 7. Which of the following reasons can explain why a person who did not consume the

infective food item got sick?

a. They were directly exposed to persons who did eat the infective food item

b. Diarrhea is a general symptom consistent with a number of illnesses

c. There may have been an inaccurate recall of which foods were eaten

d. All of the above

e. None of the above



Rationale: Without knowledge as to the specific agent in this instance, it is also likely that it can

be spread by direct contact with infected persons. Since diarrhea is a general disease symptom, it

is possible that several infectious agents may be present at this meal or others eaten during the

same time period. Further, information regarding food consumption may have been collected

long after the disease episode. This may have led persons to incorrectly remember the foods that

they consumed.




An outbreak of gastroenteritis occurred at a boarding school with a student enrollment of 846.

Fifty-seven students reported symptoms including vomiting, diarrhea, nausea, & low-grade fever

between 10 p.m. on September 24 & 8 p.m. on September 25. The ill students lived in

dormitories that housed 723 of the students. The table below provides information on the number

of students per type of residence & the number reporting illnesses consistent with the described

symptoms & onset time. Calculate the attack rate among all students at the boarding school.

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