This set of Food Microbiology and Contamination Multiple Choice Questions & Answers (MCQs) focuses on “Foodborne Infection – Parasitic Worms – Trichinellosis”.
1. Trichinellosis is caused by __________
a) Flatworm
b) Tapeworm
c) Roundworm
d) Ringworm
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Explanation: Trichinellosis, also known as trichinosis is caused by a roundworm Trichinella spiralis. The disease is directly transmitted from host to host. This parasitic disease is usually caused due to consumption of raw or uncooked infected meat.
2. Roundworms belong to the phylum ________
a) Nematoda
b) Annelida
c) Cnidaria
d) Porifera
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Explanation: The phylum Nematoda is also called Nemathelminthes. Taxonomically, they are categorized with insects. Annelida consists of ringed worms, whereas cnidarian consists of aquatic animals. Porifera has sponges as its members.
3. T. spiralis resides in the ____________
a) Large intestine
b) Small intestine
c) Stomach
d) Pancreas
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Explanation: The nematodes can be found in the jejunum and duodenum of mammals. Jejunum and duodenum are parts of the small intestine. This parasite is also called pork worm due to it being found in undercooked pork products.
4. Muscle pain is also called _______
a) Cephalgia
b) Arthralgia
c) Mastalgia
d) Myalgia
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Explanation: Muscle pain and soreness is called myalgia in medical terms. This is a symptom of Trichinellosis. Cephalgia is the medical term for headaches, whereas arthralgia is joint pain. Mastalgia refers to breast pain.
5. Resistance to reinfection is developed due to ______
a) B cells
b) Natural killer cells
c) T cells
d) Platelets
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Explanation: T cells are lymphocytes which are produced by the thymus. They play an important role in mediated immunity. B cells are white blood cells that function in humoral immunity. Natural killer cells are a part of the innate immune system and platelets give rise to clots in the blood.
Sanfoundry Global Education & Learning Series – Food Microbiology and Contamination.
To practice all areas of Food Microbiology and Contamination, here is complete set of Multiple Choice Questions and Answers.
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