Parasites And Vectors Flashcards
In a symbiotic relationship, a parasite termed a __________________ takes up residence inside a host and extracts what it needs, sometimes resulting in harm or death of the host organism.
symbiont
Single-celled eukaryotic microbes called _______________ are often responsible for parasitic infections in living hosts, including humans and animals.
protozoa
A thin, semi-rigid film called a pellicle surrounds a _______________ to give it a more defined shape than an amoeba.
flagellate
The genus __________________ is divided into the groups: typhus, scrub typhus and spotted fever.
Rickettsia
A group of helminths which includes Ascaris lumbricoides and the cause of intestinal obstruction due to the large numbers that reproduce in the GI tract are generally called?
nematodes
Which of the following types of organisms has a segmented exoskeleton and jointed appendages?
Arthropod
Which of the following forms of reproduction is classified as sexual?
Conjugation
Which parasitic disease is the most common in humans on a worldwide scale?
Malaria
Which tropical infection is also known as Guinea worm disease?
Dracunculiasis
Which disease causes lymphatic obstruction and the condition called elephantiasis
Filariasis
Infection of the gastrointestinal tract characterized by severe inflammation of the intestinal mucosa caused by viruses, bacteria, or parasites.
Dysentery
Pregnant women are advised to avoid exposure to cat litterboxes due to the potential for transmission parasites that cause toxoplasmosis which can harm the developing fetus.
True
Malaria is prevalent in developing countries and transmitted by the fecal-oral route where there is poor sanitation and contaminated drinking water.
False
Mosquitoes were the vectors for the disease called bubonic plague which killed millions in the middle ages.
False
Parasitic protozoa are capable of developing a protective cyst when environmental conditio
True
