Question

Find the genus and species name for each problem

28. A 65-year-old woman presents for evaluation of abdominal pain and diarrhea, which have been worsening over the past week. She is having 7 – 10 watery stools a day and cramps. She denies vomiting, fever, ill contacts, or having had blood in her feces. She has no history of gastrointestinal conditions. She finished a regimen of antibiotics a week ago for pneumonia. She appears ill but her vital signs are normal. Her abdomen is tender, soft with hyperactive bowel sounds. Her feces are negative for blood but positive for white blood cells. A toxin assay is positive and the stool cultures is negative.

29. A 47-year-old male farmer presents for evaluation of a growth on his arm. A week before he noticed some mildly itchy red lesions on his arm. A day or two later they started to blister and rupture. He had a low grade fever but otherwise was feeling good. He raises goats, cows, sheep, horses and chickens on his farm. Upon examination he has a 4.8 cm circular black lesion surrounded by blisters and edema. He has lymph adenopathy. A gram stain from the lesion shows gram positive bacilli.

30. a 7-year-old boy was brought to your office for evaluation of a sore throat and fever which he had for about 5 days. He is the son of parents who immigrated to the United States from Moscow 6 months ago. He has not had much medical care in his life, and his immunization status is unknown. He is anxious, tachypneic, and appears sick. His temperature is 101.5 F and his voice is hoarse. His tonsils and pharynx are red and swollen with a grey membrane coating the tonsils, uvula and soft palate. He has lymphadenopathy. His lungs are clear. He is transferred to a local children’s hospital with the presumptive diagnosis of

Answer 1

28 ) Women is suffering from Pseudomembranous colitis caused by Clostridium defficile.( Clinch after antibiotics use for 7-10 days diarhea watery with abdominal pain and toxin assay positive )

Genus - Clostridioides

Species - Clostridium defficile

29 ) Farmer is suffering from Bacillus anthracis ( Clinch in qsn farmer with black lesion eschar with lympadenaothy and gram positive Bacillus )

Genus - Bacillus

Species - Bacillus anthracis

30 ) Pateint is suffering from diphtheria ( Clinch in qsn - greyish membrane coating tonsils with lymphadenopathy and immunization status unknwn )

Genus - Corynebacterium

Species - Corynebacterium diphtheriae