Trematodes - Updated

Multiple Choice

Which of the following diseases is caused by a protozoan?

• (a) Amoebiasis

• (b) Blastomycosis

• (c) Syphilis

• (d) Influenza

Multiple Choice

The protozoa Plasmodium causes the human disease

• malaria
• African sleeping sickness
• giardia
• salmonella

Multiple Choice

This living infectious agent, also known as worms, is acquired through consumption of contaminated food or water and often causes rapid weight loss.

• Prions

• Viruses

• Bacteria

• Fungi

• Helminths

Multiple Choice

What are the different types of vaccine adjuvants listed in the timeline?

• Matrix-M

• Advax

• CpG 1018

• Aluminum salts

Multiple Choice

What are the different types of vaccines listed in the table, and what are their examples?

• Live attenuated

• Killed

• Recombinant subunit

• Conjugate

Multiple Choice

What are the names of the human trematodes mentioned in the image?

• Schistosoma mansoni

• Fasciola hepatica

• Clonorchis sinensis

• Dicrocoelium dendriticum

Multiple Choice

What are the three materials shown in the image?

• Glass bottle

• Plastic tube

• Sponge

• Metal rod

Multiple Choice

all organisms are grouped into 3 large groups using things they have in common (the groups are: bacteria, archaea, eukarya)

• class
• phyla 
• kingdom
• domain

Multiple Choice

What are the stages in the Trematode life cycle as illustrated in the diagram?

• Eggs

• Larvae

• Adult

• All of the above

Multiple Choice

What are the stages of the trematode life cycle as illustrated in the diagram?

• Eggs

• Larvae

• Adult

• All of the above

Multiple Choice

What are the characteristics of adult worms as described in the image?

• They vary widely in size

• They have three suckers

• They can only live for a few years

• They are all the same size

Multiple Choice

What is the distinctive feature of eggs mentioned in the image?

• Shape

• Color

• Size

• Texture

Multiple Choice

What type of fertilization do most trematode species undergo?

• Self-fertilization

• Cross-fertilization

• Both

• None

Multiple Choice

What are the three methods of nutrient acquisition in trematodes as described in the image?

• Bifurcated gut

• Ingesting host blood

• Tegumental absorption

• All of the above

Multiple Choice

Which of the following is NOT a type of human trematode?

• Lung fluke

• Intestinal fluke

• Liver fluke

• Heart fluke

Multiple Choice

What is the disease associated with the Lung Fluke?

• Paragonimiasis

• Schistosomiasis

• Ascariasis

• Filariasis

Multiple Choice

What is the scientific name of the lung fluke shown in the image?

• Paragonimus westermani

• Fasciola hepatica

• Clonorchis sinensis

• Schistosoma mansoni

Multiple Choice

What are the nine species of Paragonimus that are pathogenic to humans?

• P. westermani

• P. heterotremus

• P. calensis

• P. amazonicus

Multiple Choice

What is the primary prevention method for flea and tick infestation in pets?

• Regular bathing

• Keeping pets indoors

• Use of preventive medications

• Feeding pets garlic

Multiple Select

Label the parts of the Paragonimus morphology indicated by the letters S, C, U, T, B, V, and O.

• S - Ventral sucker

• C - Cecum

• U - Uterus

• T - Testis

• B - Excretory bladder

Multiple Choice

Which regions have reported the presence of Paragonimus species?

• China, Japan, Korea

• Canada, North and Central America

• Cameroon, Nigeria, Libya

• All of the above

Multiple Choice

What is the significance of the regions marked in the map regarding cases of paragonimiasis?

• They show the distribution of cases

• They indicate the population density

• They represent different species of flukes

• They are unrelated to paragonimiasis

Multiple Choice

What are the statistically significant behavioral risk factors for paragonimiasis identified in the United States?

• Infection acquired in Missouri

• Consumption of raw crayfish while drinking alcohol

• Infection acquired while on a river or camping trip

• All of the above

Multiple Choice

What symptoms did all patients present with in the study of paragonimiasis cases?

• Fever, cough, pleural effusions

• Nausea, vomiting, diarrhea

• Headache, dizziness, fatigue

• Skin rash, joint pain, fever

Multiple Choice

What is the main focus of the study presented in the article?

• Paragonimus westermani infection

• Technical intern trainees

• Extrapulmonary lesions

• Cambodian health issues

Multiple Choice

What are the reservoir hosts for adult trematodes?

• Domestic dogs

• Cats

• Monkeys

• All of the above

Multiple Choice

What is the shape and color of the adult fluke described in the text?

• Thick, fleshy, egg-shaped, red-brown

• Thin, flat, green

• Round, blue, soft

• Long, cylindrical, yellow

Multiple Choice

What are the stages in the general trematode lifecycle?

• Metacercariae

• Cercariae

• Miracidia

• Snail

Multiple Choice

What stage comes before the given picture?

• eggs

• tadpole with legs

• froglet

Multiple Choice

What is the duration of the life cycle of P. westermani as indicated in the diagram?

• 1-2 weeks

• 5-6 weeks

• 10-12 weeks

• 15-20 weeks

Multiple Choice

which of the following is a parasite?

• Yeast

• Amoeba

• Leech

• Earthworm

Multiple Choice

What is the role of unsuitable final hosts in the life cycle of Paragonimus?

• They allow the metacercariae to develop

• They cause the metacercariae to die

• They help in the reproduction of Paragonimus

• They allow the life cycle to continue

Multiple Choice

What is an example of a parasitic relationship beneficial to an ecosystem?

• A tapeworm reducing deer overpopulation

• A lion hunting weaker animals

• Bees pollinating flowers

• A bird eating ticks off a buffalo

Multiple Choice

What is the primary difference between parasitism and predation?

• Parasitism benefits both the host and the parasite

• Predation involves the immediate death of the prey, while parasitism does not necessarily kill the host

• Predation benefits the predator and the prey

• Parasitism involves two species competing for resources

Multiple Choice

What defines parasitism?

• A relationship where both species are harmed

• A relationship where one species benefits at the expense of the other, which is harmed

• A relationship where one species benefits and the other species benefits equally

• A relationship where one species benefits and the other is unaffected

Multiple Choice

A host is:

• An organism that harbors a pathogen

• Grant Denyer on Family Feud

• An animal that transmits a pathogen

• A microorganism that has been transmitted

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident