Nr569 Midterm 76 Correctly Answered Questions Latest Update

Pityriasis Rosea {Ans: Presents with a herald patch, Christmas-tree pattern.}What stimulates the chemoreceptor trigger zone and causes vomiting {Ans: Chemical stimuli from the circulation that crosses the blood brain barrier, which includes: -Certain drugs -Uremia -DKA -Toxins derived from gram-positive bacteria}atopic dermatitis {Ans: Dry skin Scaly, patchy Elbows, knees}paronychia {Ans: -Bacterial infection of the finger involving the lateral nail fold -If untreated can form an abscess between the nail plate and the nail folds, lifting the nail plate; infection and extends into the pulp space -acutely tender to touch -No systemic illness -Pain, erythema, and swelling -Inquire about occupational exposures -Inquire about a prior history of paronychia or MRSA risk factors -assess whether the patient bites the finger nails (oral Flora, anaerobes may be the source of infection) -commonly caused by an ingrown nail}Osler nodes {Ans: painful erythematous nodules on the pads of the fingers and toes}Causes of critically ill patients with fever and rash {Ans: Hemorrhagic fever Meningococcemia Rocky mountain spotted fever Toxic shock syndrome Steven Johnson syndrome Toxic epidermal necrolysis Acute vasculitis}