Topic: Flagellates Giardia lamblia trophozoite is described as “old man with glasses”. What are the special structures present in this parasite that makes it look like an “old man with glasses”? What are the functions of sucking disc, axostyle, and blepharoplast?
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Topic: Flagellates
- Giardia lamblia trophozoite is described as “old man with glasses”. What are the special structures present in this
parasite that makes it look like an “old man with glasses”? - What are the functions of sucking disc, axostyle, and blepharoplast?
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- Label the following in the image of Planaria: Head, pharynx, mouth, intestine, eyes, cilia, pigment granules, flame cells, and 2 ventral nerve cords.One of the most characteristic symptoms of malaria is the alternation of attacks (involving a cold phase, a hot phase, and a sweating phase) with periods of 1 or 2 days of no or few fevers. Given the life cycle of Plasmodium what is the best explanation for this pattern: When free in the blood, merozoites release chemicals that directly cause body responses. Merozoites appear in coordinated “waves”, which explains the cycling attacks Merozoites entering the red blood cells generate a strong response from the red blood cells, which stimulates a massive immune response Attack phase correlates with simultaneous bursting of infected red blood cells, releasing thousands or millions of merozoites. This triggers massive immune response, resulting in symptoms Plasmodium generates a constant accumulation of irritants in the blood, mostly residues from digesting hemoglobin . Once the amount reaches a critical level, these trigger a massive immune responseWhy can superficial mycoses in humans lead to bacterial infections?
- A 5 year-old child was playing in their backyard. Suddenly, the child felt itchiness in his skin and began to scratch his body. Based on laboratory results, it was confirmed that the child was infected with hookworm. Answer the following questions: What possible mode of transmission the parasite has been acquired? Explain why. List all possible effects of parasite on the host. Explain each.A 31 year old male who emigrated from Mexico 3 years prior to admission, was brought to the hospital by his family with a convulsions and Epileptic seizures. He had been previously healthy. A CT scan of the head showed multiple small cystic and calcified lesions. Blood count analysis shows low eosinophil levels. What kind of parasite that give this symptom? Extraintestinal infection of Entamoeba histolytica cyst Taenia solium larva cysticercus cellulose Ascaris lumbricoides larva migration O Taenia saginata adult worm O Option 5What the linked video below and answer the questions below https://youtu.be/z3k3GZ1F_rg 1) Describe a burr cell? What disease is associated with it? 2) What is a spur cell? What disease is associated with it?
- From an evolutionary point of view, how can you explain the production of so many eggs and cercaria during the life-cycle of Schistosoma?Label the stages of the Trypanosoma cruzi life cycle as well as the form of the parasite in each stage. Drag the appropriate labels to their respective targets..Aspergillus fumigatus may cause pulmonary mold infections in immunocompromised patients. Which of the following structures causes the tissue destruction in the patients: tissue destruction by enterotoxins tissue destruction by pseudohyphae none of the above apply tissue destruction by cysts tissue destruction by plaque formation tissue destruction by aerial hyphae tissue destruction by vegetative hyphae
- Apicomplexans evolved from a photosynthetic ancestor and have the remnant of a chloroplast. This organelle no longer acts in photosynthesis, but remains essential to the protist. Why might targeting this organelle yield an antimalarial drug with minimal side effects in humans?A 38 year-old woman went to a hospital and complained of a non-productive cough and dyspnea which has progressed over two weeks. Based on physical examination, she was pale, diaphoretic and in acute respiratory distress. According to her, she had a sexual contact with his partner. The physician ordered laboratory tests and results revealed that the CD4 count was critically low. What parasitic complications the patient may develop and why?The large unicellular organisms have been observed in the vagina smear of a female patient with the symptoms of the inflammatory process of urogenital apparatus. The cell bodies of the organisms were pear-shaped with pointed posterior part, large nucleus and undulating membrane. What protozoans were found in the smear? Select one: a. Trichomonas vaginalis O b. Trypanosoma brucei gambiense O c. Lamblia intestinalis d. Toxoplasma gondii e. Trichomonas hominis