#1
Which organism causes head lice infestation in humans?
Lice
ExplanationLice are the organisms responsible for head lice infestation.
#2
What is the most common symptom of head lice infestation?
Itching
ExplanationItching is the most common symptom associated with head lice infestation.
#3
Which of the following is a common method of head lice transmission?
Sharing combs or brushes
ExplanationSharing combs or brushes is a common method of head lice transmission.
#4
Which of the following is NOT a common symptom of head lice infestation?
Swollen lymph nodes
ExplanationSwollen lymph nodes are NOT a common symptom of head lice infestation.
#5
Which age group is most commonly affected by head lice infestation?
Toddlers and preschoolers
ExplanationToddlers and preschoolers are the age group most commonly affected by head lice infestation.
#6
What is a characteristic feature of head lice eggs (nits)?
They are attached to the hair shaft close to the scalp
ExplanationHead lice eggs (nits) are characterized by being attached to the hair shaft close to the scalp.
#7
Which of the following is an effective method for treating head lice?
Using over-the-counter lice shampoos
ExplanationUsing over-the-counter lice shampoos is an effective method for treating head lice.
#8
What is the lifespan of an adult head louse if not on a human host?
1-2 days
ExplanationAn adult head louse can survive for 1-2 days if not on a human host.
#9
What is the scientific name for head lice?
Pediculus humanus capitis
ExplanationThe scientific name for head lice is Pediculus humanus capitis.
#10
What is the recommended approach for removing head lice eggs (nits) from hair?
Using a fine-tooth comb
ExplanationUsing a fine-tooth comb is the recommended approach for removing head lice eggs (nits) from hair.
#11
What is the role of hot water in laundering items to remove head lice?
Kills both adult lice and eggs
ExplanationHot water kills both adult lice and eggs when laundering items to remove head lice.
#12
What is a potential complication of untreated head lice infestation?
Secondary bacterial infection
ExplanationA potential complication of untreated head lice infestation is a secondary bacterial infection.
#13
Which statement about head lice is true?
They can survive underwater for several hours
ExplanationHead lice can survive underwater for several hours.
#14
What is the medical term for the sensation of something moving in the hair, often associated with head lice infestation?
Formication
ExplanationFormication is the medical term for the sensation of something moving in the hair, often associated with head lice infestation.
#15
What is a common misconception about head lice?
They only infest people with poor hygiene
ExplanationA common misconception about head lice is that they only infest people with poor hygiene.