Arthropods Flashcards

1
Q

Causes scabies

A

Sarcoptes scabiei

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2
Q

The leading edge of insect wings

A

Costa

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3
Q

This type, as exemplified by houseflies is adapted for sucking up liquid or readily soluble foods

A

Sponging mouthparts

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4
Q

external openings of the respiratory system

A

spiracles

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5
Q

also known as crab lice which infest on coarse hair in the pubic area

A

Pubic Lice (Phthirus pubis)

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6
Q

Head lice eggs

A

Nits

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7
Q

Arthropods that are aquatic in nature

A

Class Crustacea

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8
Q

Arthropods that are both aquatic and terrestrial in nature

A

Class Arachnida

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9
Q

excretory organ of insects

A

Malphigian tubules

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10
Q

These are membranous extensions of the body wall and consists of an upper and lower layer.

A

Wings

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11
Q

This is released by the head lice eggs

A

Nymph

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12
Q

This is the most important vector of malaria in the Philippines

A

Anopheles flavirostris

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13
Q

colorless insect blood

A

hemolymph

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14
Q

Adult lice can live up to how many days on a person’s head?

A

30 days

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15
Q

There are two types of eyes occur in insects namely: single and compound. Which of this are usually very large, round, or kidney shaped?

A

Compound

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16
Q

consists of insects described as “cone-nosed” because they have narrow, pointed, cone-shaped heads

A

Order Hemiptera

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17
Q

A kind of vector that undergoes multiplication, propagation, and development inside the arthropod’s body

A

Biological vector

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18
Q

In this type of metamorphosis, the young resembles that adults except for the smaller size and sexual immaturity

A

Gradual/Incomplete

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19
Q

number of legs of Arachnidas

A

4 pairs

20
Q

number of antennae of Crustaceans

A

2 pairs

21
Q

Head louse:
Body Louse:

A

Head louse: P.h. capitis
Body Louse: P.h humanus

22
Q

Part of the insect which bears the eyes, antennae, and the mouthparts

A

Head

23
Q

refers to the change in structure of an arthropod that occurs during the period of development

A

Metamorphosis

24
Q

posterior part of the esophagus that serves as an area for temporary storage of food

A

crop

25
Q

Mandibles and maxillae are of chewing type and are used for grasping prey or molding wax

A

Chewing-lapping mouthparts

26
Q

Human body louse

A

Pediculus humanus

27
Q

One of the special mechanisms of arthropods which is primarily a nitrogenous polysaccharide that makes the integument impervious to water

A

Chitinized exoskeleton

28
Q

Human flea

A

Pulex irritans

29
Q

This is the second main body region of insects which is connected to the head by the neck or cervix

A

Thorax

30
Q

Number of molts until nymphs mature

A

Nymphs mature after three molts

31
Q

a small valve-like openings where hemolymph flows

A

ostia

32
Q

Membranous-winged arthropods

A

Order Hymenoptera

33
Q

Treatment for head lice

A

Benzene hexachloride

34
Q

Class of centipedes

A

Class Chilopodia

35
Q

The entire structure of this mouthpart type is called the proboscis

A

Piercing-sucking mouthparts

36
Q

Diagnosis of this parasite is made by the characteristic rash and by smearing black ink on the skin

A

Scabies mites

37
Q

The vectors of Bancroftian filiariasis in the Ph

A

Aedes poecilus

38
Q

Three major regions of the body an insect

A

head, thorax, abdomen

39
Q

The outer surface of the compound eye is composed of these small six-sided lenses called

A

facets

(Active flying insects have many facets while walking types have fewer)

40
Q

What class do crabs, crayfish, and copepods belonged?

A

Class Crustacea

41
Q

Primarily known as the “tiger mosquito” which is the vector of dengue in Ph

A

Aedes aegypti

42
Q

entire body cavity

A

hemocoel

43
Q

Known as jigger, chigger, or sand flea

A

Tunga penetrans

44
Q

A type of insect mouthparts which use their mouthparts to grind solid food. Examples are cockroaches and silverfish

A

Chewing mountains

45
Q

These mosquitoes are exophagic and exophilic wherein the peak of biting is observed at 1:00 am to 2:00 am

A

Mansonia

46
Q

fingerlike processes in the insect abdomen which are more conspicuous in females

A

cerci

47
Q

In this type of metamorphosis, there is a great difference between the immature stages and adults

A

Complete