Which of the following functions is used to narrow down a list?

Consider the code below… let x = 4;let y = f(x);console.log(`${x}, ${y}`);function f(x) {  x = 7;  return x;} What will be printed to the console?

This patient has a history of GERD and reports that he has been taking 600mg of Ibuprofen PO TID since this back pain has started 3 days ago. He states that his GERD symptoms have worsened since taking the Ibuprofen. He has tried Acetaminophen as well, which has not helped with the pain. You advise the patient to stop the Ibuprofen due to the GI side effects. What do you advise for alternative treatment?

You are evaluating a patient with sore throat, fever, dysphagia, and muffled voice. On exam, you see this (refer to photo). What is your top differential diagnosis? 

Which of the following would increase an infants risk for Sudden Infant Death (SIDS)? (Select all that apply)

A 50-year-old woman receiving an annual mammogram is an example of which type of prevention? 

Which of the following is considered a more holistic view of a user’s interaction, encompassing the environment surrounding the system in operation?

 A patient presents with known osteoarthritis and has been taking NSAIDs. There is a strong suspicion for peptic ulcer disease. What is the most effective initial step in treating this patient’s peptic ulcer disease?

For the patient in the previous question, what is the most appropriate diagnostic test that will substantiate or confirm your top differential diagnosis?

According to Nielsen/Norman, how many and which type of participants should be recruited for a usability study?