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Arrange the following events detailing the visual pathway in correct sequence: (1) Retinal cells generate action potential (2) Person becomes aware of the information obtained by CNS (3) Visual cortex translates action potential (4) Bright light is shone into the eye (5) Optic nerve conducts action potential to CNS

All the following are portals of entry except:

An infection that occurs as a complication derived from an initial infection is known as a:

Obligate aerobes require an environment without free oxygen for survival.

Which of the following describes an infected protein that is abnormally folded? 

Which of the following is the most common form of anthrax?

A 29-year-old woman is newly diagnosed with early HIV infection. She is believed to have acquired HIV approximately six weeks prior from a male partner. She has a new male partner, but they have not yet had sex. You are discussing starting treatment and she is asking how likely is it that she will transmit HIV to her new partner. Which correct piece of education should you share with this patient regarding HIV transmission from persons with early HIV infection? 

Jim is a 42-year-old mechanic who presents with complaints of a burn to his right hand from a hot engine radiator.  His exam reveals a 6×8 cm bulla to the dorsal aspect of his right hand that extends up and includes his 3rd and 4th fingers.  What key exam finding do you need to evaluate for to decide if referral to a burn center is necessary?

Isaiah is a 73-year-old who presents with complaints of left flank pain for the last week.  The pain is gradually worsening and radiates from the lower thoracic area around to the abdomen.  He describes the pain as burning, “almost like little electrical shocks” and now has a deep ache and throb accompanying the electric shocks.  He states he has been able to sleep at night, but did have to take 400 mg of ibuprofen last night to do so.  He denies pain with urination, frequency, urgency.  No change in bowel movements and he is eating and drinking normally.  Upon entering exam room he is sitting quietly on the exam table and repositions self easily for exam.  Urinalysis is negative for blood, leukocytes, nitrites.  What is the best plan of care? 

Which signs and symptoms are associated with appendicitis? Select all that apply.