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Parasite Infective Form: For each description listed, match the nematode it iden

ID: 257958 • Letter: P

Question

Parasite Infective Form: For each description listed, match the nematode it identifies A. Ascaris lumbricoides B. Necator americanus C. Enterobius vermicularis D. . Trichuris trichiura E. Strongyloides stercoralis 2. Asymmetrical ova, one side convex with the other side flattened 3. Broadly oval ova with brown outer mammillate covering 4. Barrel-shaped ova with polar plugs 5. Largest intestinal roundworm of man 6. 7. 8. 9 Larval form is seen in stool specimen of patients with this infection Causes severe iron deficiency anemia -rectal prolapse Female deposits ova in the perianal region, not in feces

Explanation / Answer

2) Asymmetrical ova, one side convex with the other side flattened - Enterobius vermicularis.

3) Broadly oval ova with brown outer mammillate covering - Ascaris lumbricoides.

4) Barrel-shaped ova with polar plugs - Trichuris trichiura.

5) Largest intestinal roundworm of man - Ascaris lumbricoides.

6) Larval form is seen in stool specimen of patients with this infection - Strongyloides stercoralis.

7) Causes severe iron deficiency anemia - Necator americanus.

8) Rectal prolapse - Trichuris trichiura.

9) Female deposits ova in the perianal region, not in feces - Enterobius vermicularis.