Question

Please give genus and species for each answer.

71. A 30-year-old man had several complaints. He had a bad case of oral candidiasis and low grade fever, had serious bouts of diarrhea, had lost 20 pounds in the past year without dieting, and, most seriously, complained of difficulty breathing. His lungs showed a bilateral infiltrate on radiographic examination, characteristic of P. carinii pneumonia. A stool sample was positive for Giardia lamblia. He was a heroin addict and admitted to sharing needles at a "shooting gallery". The most likely causative agent of his illness is a(n)

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72. A 22-year-old patient develops a conical, flesh-colored, hard scaly round area (papule) over the ring finger. It has a rough surface and is nontender. Otherwise the patient is healthy and has no other complaints. The papule was treated on a daily basis with salicylic acid to kill the cells harboring the virus and remove the papule. The causative agent is most likely

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73. Jay, a 24-year-old medical student, just loves his new puppy Albert. He recently purchased Albert from a local "backyard" breeder. Jay has taken to giving Albert frequent smooches on his muzzle, which Albert loves because he knows a treat is soon to follow. After about 3 months of proud puppy ownership and smooching, Jay noticed that his moustache began itching and his upper lip was beginning to swell. Over a 1 week-period, his upper lip became swollen and inflamed, and small pustular areas became apparent among the sparse hairs of his moustache. Similar changes were also becoming apparent on Albert's muzzle. This concerned Jay, so he promptly took Albert to the vet. The vet took one look at the pair, wrote a prescription for Albert, and told Jay that he should visit his doctor. This fungi has many macroconidia and few microconidia.

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74. This parasite is commonly known as the guinea worm . Unlike other filarial worms it can be transmitted to humans when the infective larvae enter the body through the ingestion of various species of crustaceans called Cyclops.

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75. A 80-year old man with a history of high blood pressure and type 2 diabetes presents in your office with horrible right ear pain which has a duration of 4 days. His speech is slurred and the right side of his face is droopy. In the past he has had swimmer’s ear which responded well to drops. He does not have a fever. His right ear is swollen. There is a purulent discharge from the right ear. Blood tests show an elevated WBC count and a high ESR (erythrocyte sedimentation rate ). He has a malignant external otitis infection.

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76. A 45-year old female presents to the ER with 2 days of crampy abdominal pain, nausea, vomiting, diarrhea, and fever. There was no blood in the feces. The only food she did not make was a breakfast of “sunny side up eggs” and sausages which she had the day before at a diner. She appears tired, no fever, and dehydrated. She has a watery heme negative stool. Gram-negative bacilli were isolated.

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77. A 38-year old male presents to the doctor’s office with cramps, nausea, vomiting, and diarrhea. There was blood, mucus and pus in his stool. He is tired and afebrile. Gram-negative bacilli that are lactose negative, non-motile, and hydrogen sulfide negative. This is the species most commonly found in the US.

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78. A 27-year-old man presents to the ER with cramps, nausea, abdominal pains and diarrhea. His feces contained pus, blood and mucus. He had a fever and enlarged liver which upon later examination showed liver abscesses. This microbe can be spread fecal-oral or person to person. Microscopic examination showed cysts and trophozoites.

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79. A 70-year-old female presents in the ER with fever, cough, difficulty breathing, shaking with chills, muscle aches, sore throat and she complains of loss of taste and smell. She is complaining of chest pressure and trouble breathing. She suffers from type 2 diabetes and COPD.

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80. A 3 -month -old child develops fever, restlessness, and unusual crying. These are followed by apparent lethargy. Physical examination shows a normal-appearing infant who is minimally responsive to stimuli. A lumbar puncture yields CSF with 200 WBCs/microliter, predominantly lymphocytes. Acute aseptic meningitis is diagnosed, probably caused by

Answer 1

Answer :

71)

Human Immune Deficiency Virus.

HIV viral infection.

The diseases described are diseases associated with immunodeficiency. Or opportunistic infections.

72)

Viral wart by Human Papilloma Virus.

Salicylic acid dissolves the hyper keratinization.

73)

Histoplasma capsulatum. It has got micro and macro conidia. It can cause heir loss with pustule formation.

74)

Dracunculus medinensis. This causes dracunculiasis.

75)

PSEUDOMONAS AERUGENOSA and Staphylococcus aureus can cause malignant otitis externa.

76)

Escherichia Coli. This causes non bloody diarrhea with mild symptoms. Its a gram negative rod.

77)

Shigella Sonnei, Shigella Dysenteriae are most common causative agent for dysentery in USA.

78)

Amoebic liver abscess.

Caused by Entamoeba Histolytica.

79)

Human Influenza Virus.

Pneumonia with muscle pain with sorethroat in elderly individual by viral infection.

80)

Non polio Entero Virus is most common causative agent for viral meningitis in infants in USA.

Second most common is arbo virus.

As lymphocytes are increased in csf its viral infection.