Micro Exam 5 Portage Learning| Latest updates| Questions And Answers

Micro Exam 5 Portage Learning| Latest updates| Questions And Answers Identify the disease based on the following (select all that apply): It is a small, acid-fast rod usually remaining asymptomatic for up to 20 years. It affects the skin, nerves, upper respiratory tract, and eyes of infected individuals. Scalded-skin syndrome Hansen's Disease Leprosy TB Bacterial Conjunctivitis - ANSWER -Hansen's Disease Leprosy True or False. Only directly ingesting the pre-formed clostridium toxin (neither the bacteria nor its spores) will cause disease in adults. - ANSWER -True While visiting his grandparents, a 10 yr old has green beans for dinner that were harvested from his grandparents garden and canned the previous year. Sever illness sets in and the child is taken to the hospital. Botulism is suspected, but what form? - ANSWER -Foodborn botulism. The child is too old to be considered for infant botulism and wounds were not present. The green beens were probably not canned properly and due to conditions bacterial growth was encouraged. A 5-month-old child is given honey at breakfast and begins showing symptoms consistent with botulism. Would the child's illness be classified as foodborne, infant, or wound botulism? - ANSWER -Infant Honey is a potenital carrier of clostridium & infants still have a developing intestinal tract, which colostridium is able to colonize and produce toxins. True or False. Although there is no cure for tetanus, it can be prevented through vaccination. - ANSWER -True: There is no cure for tetanus Describe the symptoms and treatment regimen for someone infected with Clostridium perfringens. - ANSWER -Symptoms: - muscle necrosis - swelling of infected areas - fever - intense gas production Treatment: - removal of infected tissue - a lot of antibiotics - sometimes amputation Why does the alpha toxin (perfringolysin) produced during an infection of gas gangrene cause cell death? - ANSWER -It forms pores in the plasma membrane of the host's cells, which results in uncontrolled ion fluxes. This eventually leads to cell lysis and death. You develop a fever, chills, and pneumonia after recently returning from a getaway weekend where you sat in a hot tub. What bacterial disease would a doctor suspect is causing your symptoms? Would the doctor suspect you contracted it from another person? - ANSWER -1) Bacterial disease: Legionnaires 2) No, this bacteria cannot be spread by direct contact between people. Can be transmitted through droplets small enough to be breathed in. True or False. Pneumonic plague is often characterized by painfully swollen lymph nodes. - ANSWER -False: Pneumonic plague targets the respiratory system True or False: The Bubonic plague is often characterized by painfully swollen lymph nodes. - ANSWER -True Which form of the plague is the most rare? What does it target? - ANSWER Septicemic Targets the blood system Which form of the plague is highly virulent? What does it target? - ANSWER Pneumonic Plague, Respiratory system Identify the following disease: - ANSWER -Anthrax Gonorrhea is caused by? - ANSWER -Dipplococcic Bacteria Syphilis is caused by: RNA virus Diplococcic bacteria Diplococcic Bacteria Staphylococcus bacteria Gram-negative spirochete - ANSWER -Gram-negative spirochete True or False. Chlamydia trachomatis can be grown on an agar plate alone. - ANSWER -False Match the following diseases with their respective symptoms if left untreated: 1Gonorrhea 2Syphilis 3Chlamydia - ANSWER -1. Cardiac and neurological complications 2. Paralysis, blindness and dementia 3. Infertility and pelvic inflammatory disease Define the concept of universal precautions. - ANSWER -Universal precautions is used when handling an unknown specimen. They should be treated as being potentially hazardous or pathogenic materials. So always use correct PPE List at least 3 observations a researcher would be sure to note while assessing an unknown microbial sample. - ANSWER -1) the morphological characteristics (size/shape) 2) Presence of any motility 3) Gram status (+ or -)