This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Dwarf tapeworm is the common name of which of the following 
Select and explain. 
A. Echinococcus multilocularis, B. Hymenolepis nana, C. Taenia saginata, D. Taenia solium
B: Hymenolepis nana
Answer: B: Hymenolepis nana 
Explanation: Hymenolepis nana is commonly known as dwarf tapeworm The name hymenolepis refers to the thin membrane covering the egg(greek: hymen -membrane,lepis-covering,nana (nanus) -dwarf) Ref: panikers textbook of Medical parasitology 8th edition page :136