511 Week 2 Quiz Practice Questions and Verified Answers

1. A 26 year old male recently returned from a camping trip w/ symtpoms of acute gastroenteritis. He report that he only ate vegetables from his garden that he canned prior to his outing.Which of the following pathogens might becausing his symptoms? - Clostridium botulinum - Campylobacter jejuni - Staphylococcus - Clostridium perfringens: C. Botulinum is an anaerobic, gram positive bacillusthat produces toxins. It is widely distributed in the soil and vegetation. Improperlyprocessed home-canned low-acid vegetables and contaminated meats are the usual cause of food-borne botulism 2. A 21 year-old patient presents to the clinic for pre-operative tonsillectomy clearance. She has heard about permanent taste changes after a tonsillectomyand is concerned.What should the clinican tell her? - About half of the patients have some permanent alteration in the sense oftaste - Your ability to recognize sweet from salty taste will be altered for life - You will have some alterations, but we'll have to wait and see how you areaffected personally - You may notice a slight difference initially, but there are no lasting changesin taste: Although some clients report a significant subjective drop in taste functionfollowing surgery, none have ongoing taste dysfunction. 3. Which medications used to treat n/v works by affecting the chemoreceptor trigger zone, thereby stimulating upper gastrointestinal motility and increas- ing lower esophageal sphincter pressure? - Tetrahydrocannabinols, such as dronabinol (Marinol) - Antidopaminergic and cholinergic agents, such as metoclopramide (Reglan) - Anticholinergics, such as scopalamine (Donnatal) - Antidopaminergic agents, such s prochlorperaine (Compazine): Metoclo- pramide (Reglan) is used for diabetic gastroparesis and postoperative n/v. It worksby affecting the chemoreceptor trigger zone, thereby stimulating upper gastrointesti-nal motility and incresing lower esophageal sphincter pressure. 4. The abx of choice for recurrent acute otitis media (AOM) and/or treatmentfailure in children is: - Amoxicillin and potassium clavulanate (Augmentin) - Amoxicillin (Amoxil) Prednisone (Deltasone): Amoxicilling and potassium clavulanate (Augmentin ) 5. A 75 year old female presnt to you office complaining of dizziness and rining in both ears for 1 day. She describes the dizziness as feeling like "the room is spinning". On physical exam, the Rinne tests reveals that air conduction is greater than bone conduction bilaterally. The Weber test reveals lateralization to the left. She is uanble to hear the examiner's whisper test on the right side but can hear the whisper test on the left side. What is the next stpe in helping this pt's symptoms? - Start the patient on a low-salt diet, prescribe meclizine for vertigo and refer her to an ENT specialist - Refer the patient to the emergency room - Start her on high-dose Augmentin - Order a CT scan to rule out acoustic neuroma: Low salt diet, meclizine and ENT - Meniere's disease is characterized by bertigo, tinnitus, and hearing loss. The self-report of vertigo and tinnitus along with the results indicate sensorineural loss on the right. Meniere disease is diagnosed based on hx and the exclusion of other conditions. Referal to ENT is warranted to rule out other etiologes. Tx of symptoms is both dietery and pharmacological. Abx are not inidcated. 6. In a young child, unilateral purulent rhinitis is most often caused by: - A bacterial infection - A foreign body - An allergic reaction - A viral infection: In a young child, unilateral purulent rhinis is most often caused by a foreign body - they keyword is unilateral. 7. A 30 year old male presnts to the clinic w/ intermittent diarrhea. He is pretty sure that the antacids taken for hearturn are the cause since the loose stools always occure within 30 minutes after taking them. How should the clinican respond? - Anatacids contain fructose, which may not be totally absorbed, resulting in fluid being drawn into the bowel - Antacids contain sorbitol or mannitol which are sugars that aren't absorbed and can cause fluid to be drain into the bowel - Antacids containe caffeine, which decreases bowel transit time