FINAL PART 3

Which phylum includes Plasmodium species?

• Protozoa

• Platyhelminthes

• Nematoda

• Arthropoda

Which parasite can autoinfect the human host?

• Necator americanus

• Strongyloides stercoralis

Which parasite’s diagnostic stage in stool is larvae rather than eggs?

• Necator americanus

• Strongyloides stercoralis

What is the primary clinical complication associated with Necator americanus infection?

• Diarrhea

• Iron deficiency anemia

• Hyperinfection syndrome

• Skin rash only

What is the transmission vector of Loa loa?

• Contaminated water

• Deer fly (Chrysops) bite

• Mosquito bite

• Sandfly bite

How is Dracunculus medinensis infection typically diagnosed?

• Microfilariae in blood

• Worm emerging from a skin blister

• Worm visible in the eye

• Stool examination

Which parasite causes Calabar swellings?

• Loa loa

• Dracunculus medinensis

Which anaerobic organism is a major beta-lactamase producer, often requiring beta-lactamase inhibitors for effective treatment?

• Clostridium perfringens

• Bacteroides fragilis

• Peptostreptococcus

• Fusobacterium

Which antibiotic is generally effective against anaerobes regardless of beta-lactamase production?

• Penicillin

• Metronidazole

• Amoxicillin

• Cephalexin

What characteristic helps anaerobes evade the host immune system and may affect treatment?

• Beta-lactamase production

• Capsule formation

• Gram staining

• Presence of flagella