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

 A patient diagnosed with streptococcal pharyngitis received a prescription for Cephalexin (Keflex). After 72 hours, symptoms are worsening. What is the best course of action? 

A 3 month old born at 33 weeks gestation is brought to the urgent care you are working at after a witnessed brief resolved unexplained event (BRUE). Parents report that the event lasted approximately 45 seconds and the event resolved spontaneously without intervention. What do you recommend for management?

Which of the following HTTP methods is used to create some data via an API?

When performing a physical exam on a pediatric patient you note an extra heart sound. Which heart sound can be considered a normal variation in children?

What is your recommendation for treatment?

Suppose that there exists some HTML with a button containing an id of send. Furthermore, suppose you have written the following JavaScript code… function send() {  console.log(“Sent!”);} Which of the following JavaScript code segments will cause “Sent!” to be printed to the console whenever the button is pressed? (A) document .getButtonById(“send”) .addEventListener(“click”, send()); (B) document .getButtonById(“send”) .addEventListener(“click”, send); (C) document .getElementById(“send”) .addEventListener(“click”, send()); (D) document .getElementById(“send”) .addEventListener(“click”, send);  

According to JNC-8 guidelines, which of the following is the most appropriate threshold to treat a 70-year-old Caucasian male for hypertension?

Which pediatric patient that experienced a brief resolved unexplained event (BRUE) is considered higher risk?

Which of the following attributes is used to assist screen readers with describing images?