Insects Bites & Stings Exam 3

Question 1

Mosquitos saliva contains an anticoagulant that leads to

Answer 1

welting/itching

Question 2

Mosquito vector born illnesses

Answer 2

malaria, West Nile virus, Chikungunya virus, and Zika virus

Question 3

transfer to humans from infested habitats or from pets

Answer 3

fleas

Question 4

Bites present as cluster around legs and ankles

Intense itching

Answer 4

fleas

Question 5

Seek out prey based on carbon dioxide and lipids present on skin

Answer 5

mosquito

Question 6

Lay eggs in stagnant water (puddles, lakes, marshes)

Answer 6

mosquito

Question 7

Flea vector born illnesses

Answer 7

bubonic plague and typhus

Question 8

Contagious parasitic skin infection caused by microscopic arachnid mite

Answer 8

scabies

Question 9

Transmitted through physical contact

Answer 9

scabies

Question 10

Burrows into upper layer of the skin, where it lays eggs

Answer 10

scabies

Question 11

Characterized by inflammation and intense itching

Answer 11

scabies

Question 12

Most often found on wrists, between fingers

Answer 12

scabies

Question 13

Requires prescription therapy to treat

Answer 13

scabies

Question 14

Nocturnal feeders that hide during the day

Answer 14

bedbugs

Question 15

Typically exist in large groups and often spread by travelers

Answer 15

bedbugs

Question 16

Patients will present with multiple bites at sites of exposed skin

Answer 16

bedbugs

Question 17

Infestations can be very challenging to remove

Answer 17

bedbugs

Question 18

Attach to the skin using a barbed feeding tube

Answer 18

tick

Question 19

ticks saliva contains

Answer 19

anticoagulant, antiplatelet, and anestheticproperties

Question 20

ticks vector-born illnesses acquired from hosts and transmitted via

Answer 20

saliva

Question 21

bedbugs bites are typically

Answer 21

form a straight line of 2-3 bites
Intense itching
Irritation can range from redness to raised welt

Question 22

Tick species present in North Carolina

Answer 22

American dog tick
Blacklegged tick (“deer tick”)
Brown dog tick
Gulf Coast tick 
Lone star tick

Question 23

Commonly found among tall grass, shrubbery, and forests

Answer 23

chiggers

Question 24

With Chiggers after attaching, larvae secrete a

Answer 24

digestive fluid

Question 25

Fluid with chiggers causes

Answer 25

cellular disintegration of the affected area, a red papule, and intense itching This fluid also causes the skin to harden and form a tiny tube in which the chigger remains to feed

Question 26

Bites often seen in groups at areas of exposed skin

Answer 26

chiggers

Question 27

Majority of ________ are unable to penetrate human skin

Answer 27

spiders

Question 28

North Carolina spiders most likely to cause bites

Answer 28

Brown recluse | Black widow

Question 29

spider bites are a __________, often from unintentional contact/trapping

Answer 29

defense mechanism

Question 30

Deaths are rare, but symptoms can be serious with spiders like

Answer 30

Delayed, intense pain Stiffness and joint pain Abdominal disturbances Fever, chills, dyspnea

Question 31

Prevention of insect bites/stings

Answer 31

``` avoidance cover skin limit time outside at dawn/dusk utilize insect repellant remove stagnant water ```

Question 32

Exclusions for Self Treatment

Answer 32

Hypersensitivity reaction < 2 years of age History of tick bite and systemic effects indicating possible infection Suspected spider bite requiring medical attention Signs of secondary infection of the bite area

Question 33

Non-Pharmacologic Treatment for Insect bites/stings

Answer 33

Prevent secondary bites Apply ice pack to the area in 10 minute intervals Avoid scratching affected areas (secondary infections) Avoid rough, irritating clothing

Question 34

Relieves itching and pain through blockade of nerve impulses Inhibits flow of sodium ions, preventing depolarization of membrane

Answer 34

Local Anesthetic

Question 35

Counsel patients to avoid the following for local anesthetic:

Answer 35

Ingestion Areas with open wounds/sores Large areas of the body Applying under compresses/bandages