Introduction to Vector Biology: Chapter One Quiz

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What is the definition of entomology?

The study of insects and other species belonging to Phylum Arthropoda (correct)
The study of abnormalities caused by insects
The study of vector borne diseases
The study of medically important arthropods

What is the major characteristic of arthropods?

They are all small in size
They all transmit diseases
They are all vectors
They have an exoskeleton and jointed legs (correct)

In medical entomology, what are vectors?

Insects that transmit disease agents from patients to healthy persons (correct)
Insects that have a high level of pathogen and can cause infections
Insects that nourish other organisms
Insects that cause diseases

What is the role of an amplifying host in the spread of diseases?

To harbor a pathogen at a level that makes a vector infectious (A) Signup and view all the answers

What does medical entomology study?

Vector borne diseases and their control (D) Signup and view all the answers

What is the role of an intermediate host in the life cycle of a parasite?

To pass through one or more of the parasite's larval stages (A) Signup and view all the answers

In what way can arthropods directly affect healthy humans?

By causing severe irritations (D) Signup and view all the answers

What is an example of cyclopropagative transmission by an arthropod vector?

Malaria (anopheles) (C) Signup and view all the answers

What is the method of disease transmission where pathogens have undergone multiplication and/or development within the insect?

Biological transmission (D) Signup and view all the answers

What is an example of an arbovirus that can replicate in both vertebrate hosts and arthropods?

West Nile fever (A) Signup and view all the answers

What is the maximum number of eggs a house fly can lay in a cluster?

100-150 eggs (D) Signup and view all the answers

At what temperature does the maximum egg production of house flies occur?

25–30°C (C) Signup and view all the answers

What is the color of house fly larvae?

White (D) Signup and view all the answers

At what temperature is the survival greatest for house fly larvae?

17–22°C (A) Signup and view all the answers

How do flies clean their eyes since they do not have eyelids?

Rubbing their eyes with their feet (B) Signup and view all the answers

What is the distinguishing feature of the ♀ house flies?

Close compound eyes in the male and apart in the female (B) Signup and view all the answers

What is the main function of the proboscis in house flies?

To feed on a liquid diet or liquefied solid diet (C) Signup and view all the answers

Which genus of fly is medically most important among Muscidae?

Musca domestica (A) Signup and view all the answers

What is the significance of the arista in house flies?

It contains sensory organs for detecting food sources (D) Signup and view all the answers

What does the body of a house fly consist of?

Head, thorax, abdomen, and 2 pairs of wings (C) Signup and view all the answers