Infectious Disease 2

Question 1

Who is more susceptible to infectious disease?

Answer 1

older people

Question 2

Characteristics of aging with infectious disease

Answer 2

• changes in immunity
• reactivation of dormant infections
• skin changes
• diminished reflexes
• prone to pneumonia
• fever

Question 3

What types of dormant infections can be reactivated with aging?

Answer 3

• herpes zoster (chickenpox)

- TB

Question 4

______ skin is more easily damaged

Answer 4

atrophic

Question 5

Which reflexes are diminished with aging?

Answer 5

• cough

- gag

Question 6

Why are older people more prone to pneumonia?

Answer 6

decreased bronchiolar elasticity

Question 7

Why might fever not be a reliable sign of infectious disease for older adults?

Answer 7

lower basal body temp

Question 8

A temp of _____ may signal infection for older adults

Answer 8

99-100

Question 9

What is an infection?

Answer 9

organism establishes a parasitic relationship with the host

Question 10

Immune response is produced by an organism through these:

Answer 10

• invasion

- multiplication

Question 11

How does the immune response from an infection cause injury to the host?

Answer 11

• toxins from microorganisms

- tissue/cell death of the host

Question 12

colonization

Answer 12

• microorganisms present in tissue

- don’t create systemic disease

Question 13

colonized carrier/transmitter s/s

Answer 13

may not have s/s

Question 14

Development of an infection depends on these:

Answer 14

1. transmission mechanism
2. proper environment
3. susceptibility of the host
4. pathogen may contaminate body surface and be destroyed by first line defenses

Question 15

What does an elevated titer indicate?

Answer 15

• antibody against antigen
• no antibiotic necessary
• infection control to prevent spreading

Question 16

What is the characteristic of a clinically apparent infection?

Answer 16

host injury with s/s

Question 17

Ebola comes from these sources

Answer 17

• fruit bats
• monkeys
• person to person through secretions

Question 18

Ebola: time from invasion to s/s

Answer 18

2-21 days

Question 19

What is a latent period?

Answer 19

microorganism has replicated and is dormant

Question 20

What is the period of communicability

Answer 20

time after latency where symptoms or transmission can occur

Question 21

Ebola: period of communicability

Answer 21

after symptoms occur

Question 22

How can a causative agent be passed with communicable diseases?

Answer 22

• directly

- indirectly