Bacterial infection with Clostridium botulinum has a biological outcome similar to the Lou Gehrig's disease. Which body structure is directly affected?Group of answer choicessmooth muscles of the bronchiolespleuraesurfactant-producing alveolar cellsmucociliary apparatusintercostals

Which bacterial species produces a toxin that can cause all the muscles of the body to contract?Multiple choice question.Clostridium tetaniPseudomonas aeruginosaCampylobacter jejuniStaphylococcus aureus

A 47-year-old woman was admitted to the hospital afterexperiencing nausea and vomiting for about 2 days followed bysevere muscle weakness and neurologic symptoms, includingptosis and dysphagia. She indicated she had eaten at a restaurantthe evening before the symptoms began. Laboratory tests werepositive for Clostridium botulinum. The basis for the muscleweakness in this case was most likely because the toxinA. blocked the reuptake of neurotransmitter into presynapticterminals.B. bound irreversibly to the receptor on the postsynapticmembrane at the neuromuscular junction.C. reached the cell body of the motor neuron by diffusion intothe spinal cord.D. exerted its adverse effects by a direct action on the skeletalmuscle.E. prevented the release of acetylcholine from motor neurons.

Which of the following is a characteristic of Clostridium?Group of answer choicesMycobacteriaEndospore-forming cocciAnaerobic gram-positive rodsNone of the aboveGram-negative aerobic cocci

Which of the following infections does not affect a structure in the respiratory tract? Group of answer choiceslaryngitisbronchitisstrep throatotitis mediatonsilitis

Which of the following lacks a cell wall?Group of answer choicesClostridiumMycobacteriumVibrioNocardiaMycoplasma