Question

PROTOZOAN GENUS NAMES TO MATCH TO THE CASE STUDY: Giardia Toxoplasma Trichomonas Trypanosoma Plasmodium

Case 1: Two of four campers on a 2-week trip to the mountains of Utah developed diarrhea near the end of their trip. At first, the diarrhea was very watery and foul-smelling. Then it began to alternate with soft stools that looked greasy. The diarrhea was accompanied with abdominal cramps, nausea, flatulence and fatigue. The symptoms persisted in both campers once they returned home, and they sought medical care. A fecal sample was taken and stained. Although none of the multi-nucleated trophozoites were detected, the samples revealed the presence of egg-shaped cysts about 12 micrometers in length, having 4 nuclei and a median body. When questioned, the campers stated that near the end of their trip, they drank water from a nearby stream, but only after adding Aquatab Purification Tablets to the water. However, they stated that they had submerged their Ramblers (thermos) into the stream to collect the water before they added the tablets. Both patients were prescribed Metronidazole (Flagyl) and their symptoms slowly alleviated. Question 1: What is the Name of Causative Agent, based on the description given in the case? Question 2: How they got infected by this protozoan?

Case study 2: An 18-year-old female presented to her physician with complaints of a yellow-green vaginal discharge with a bad “fishy” odor. A pelvic investigation was performed and mild cervical tenderness was observed. The cervix was pink and inflamed with small punctiform spots. A wet prep was made, it revealed squamous cells along with a moving, oval organism. When a stained microscopic preparation was made, a multi-flagellated trophozoite about 15 micrometers in length was noted. The patient was prescribed Metronidazole (Flagyl) and told to contact any sexual partners so that they could begin a prescription of Flagyl, too. Question 1: What is the caustive agent of this case, based on the characteristics of the protozoan? Question 2: Why her patner should also take Flagyl?

Answer 1

ANSWER -

CASE 1 -

1. What is the Name of Causative Agent, based on the description given in the case?

answer - based on the description and symptoms such as -

• Diarrhea.
• Stomach or abdominal cramps.
• Upset stomach or nausea.
• Gas or flatulence.
• Greasy stool that can float.

presence of egg-shaped cysts about 12 micrometers in length, having 4 nuclei and a median body.

The causative agent is giardia that causes the diarrheal illness known as giardiasis.

2: How they got infected by this protozoan?

answer - They got infected because of consumption of the contaminated water that they collected from the stream.

CASE 2 -

1: What is the caustive agent of this case, based on the characteristics of the protozoan?

answer - the causative agent is Trichomonas vaginalis

a stained microscopic preparation was made, a multi-flagellated trophozoite about 15 micrometers in length Trichomoniasis is sexually transmitted disease caused by a parasite.

In the women causes a foul-smelling vaginal discharge, genital itching.

2: Why her patner should also take Flagyl?

answer - this is because this infection is spread by the sexually activity and in the infected man no symptoms are usually found so in sexually active partner the another parther also need to take the Flagyl.

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