Schistosomes

Multiple Choice

What is the disease originally named bilharzia known for?

• A type of cancer

• A parasitic infection

• A bacterial disease

• A viral infection

Multiple Choice

According to R. Desowitz, what is the challenge in public health regarding expert opinions?

• They are always accepted

• They may not be reasonable to other cultures

• They are based on universal truths

• They are easy to implement

Multiple Choice

What does Lewis Hackett suggest about methods in different locations?

• They are universally applicable

• They may vary in effectiveness

• They should be ignored

• They are always the same

Multiple Choice

What are the three objects shown in the images?

• A bottle, a sponge, a tube

• A bottle, a block, a pipe

• A container, a sponge, a cylinder

• A bottle, a sponge, a 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 is the main purpose of the notice board shown in the image?

• To inform about Bilharzia control

• To provide water access

• To advertise a local event

• To warn about wild animals

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 Choice

What historical evidence suggests that schistosomiasis has affected humans for millennia?

• Calcified ova in Egyptian mummies

• Napoleon's soldiers

• Land of menstruating men

• Urinary schistosomiasis

Multiple Choice

What is the correct sequence of the life cycle stages of Schistosoma as depicted in the diagram?

• 1-2-3-4-5-6-7-8-9-10

• 2-3-4-5-6-7-8-9-10-1

• 1-3-2-4-5-6-7-8-9-10

• 1-2-4-3-5-6-7-8-9-10

Multiple Choice

What are the stages of the trematode lifecycle as shown in the diagram?

• Cercariae, Snail, Miracidia, Egg

• Metacercariae, Human, Cercariae, Egg

• Human, Snail, Cercariae, Miracidia

• Egg, Cercariae, Snail, Metacercariae

Open Ended

What is the significance of Chiang Kai-shek in relation to Vietnam?

Multiple Choice

Without this delay would the US have intervened?

• Yes

• No

• Not sure

• Depends on the situation

Multiple Choice

What would have happened had the schistosome not inhabited the Yangtze Valley?

• A significant change in the ecosystem

• No impact on the region

• Increased US intervention

• A decrease in local diseases

Multiple Choice

What factors have contributed to the increased prevalence of schistosomiasis infection in many countries?

• Introduction of agricultural programs

• Development of water systems

• Urbanization

• Improved healthcare access

Multiple Choice

What evidence does the discovery of the 6,200-year-old schistosomiasis parasite egg provide regarding agricultural practices in the Middle East?

• It shows that irrigation systems were not used

• It indicates that irrigation contributed to schistosomiasis

• It proves that schistosomiasis was not present

• It suggests that the egg is a recent find

Multiple Choice

What is the capital of Burkina Faso?

• Ouagadougou

• Accra

• Lomé

• Niamey

Multiple Choice

What was the total capacity of the Akosombo Dam in 1966?

• 200

• 4000

• 8500

• 0.3

Multiple Choice

What is the main focus of the Projet Crevette as depicted in the images?

• Aquaculture development

• Fishing regulations

• Water pollution

• Coastal tourism

Multiple Choice

Raising of aquatic plants or animals for human use

• Aquaculture
• Overharvesting
• Arable
• Famine

Multiple Choice

What is the significance of the water point in Lampsar, Senegal?

• It is a historical site

• It is a high transmission site

• It is parasite-free

• It is a tourist attraction

Multiple Choice

What is the estimated number of people affected by Schistosomiasis worldwide?

• 250 million

• 800 million

• 290,000

• 78 countries

Multiple Choice

What percentage of schistosomiasis cases are found in Africa where high levels of infection continue to exist?

• 50%

• 75%

• 85%

• 90%

Multiple Choice

What do the different colors on the map represent regarding the status of transmission?

• Non-endemic

• Post-MDA surveillance

• Requiring preventive chemotherapy (PC)

• All of the above

Multiple Choice

What does the size of the territories in the map represent?

• The population of each country

• The number of people who died from schistosomiasis

• The area of each country

• The GDP of each country

Multiple Choice

What does the territory size in the image represent regarding human deaths from rabies?

• Proportion of deaths from rabies worldwide

• Total number of dog bites

• Cost of vaccines

• Number of rabies cases reported

Multiple Choice

What does the size of each region in the map represent?

• Population

• Economic output

• Land area

• Cultural diversity

Multiple Choice

What does the size of the territories on the map represent regarding McDonald's restaurants in 2004?

• The number of McDonald's restaurants in each country

• The total revenue of McDonald's in each country

• The proportion of all McDonald's restaurants that were open in 2004

• The average size of McDonald's restaurants worldwide

Multiple Choice

Which of the following statements about the Schistosomatidae is NOT true?

• They are dioecious

• They infect their host by direct contact

• They parasitize the intravascular niche

• They have a heptalamenate membrane

Multiple Choice

What regions in Texas show the highest number of Heterobilharzia americana cases?

• North Texas

• West Texas

• East Texas

• Central Texas

Multiple Choice

Based on the diagram, what is the primary host for Heterobilharzia americana?

• Fish

• Dog

• Human

• Snail

Multiple Choice

What trend can be observed in the number of Schistosomiasis cases in the U.S. from 1991 to 2012?

• Increase in cases

• Decrease in cases

• No change in cases

• Fluctuating cases

Multiple Choice

Which of the following Schistosoma species is associated with Primates?

• S. haematobium

• S. japonicum

• S. mansoni

• S. mekongi

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident