A radioactive isotope has a half-life of 10 minutes. What fraction remains after 40 minutes?

Radio waves travel at the speed of light, which is 3.00 × 108 m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 × 108 km from Earth? 

The straight-chain hydrocarbon that contains eight carbon atoms is:

During a breast exam on a 30-year-old patient the NP palpates several rubbery mobile areas of breast tissue.  They are slightly tender to palpation.  Both breasts have symmetrical findings.  There are no skin changes or nipple discharge.  The patient is expecting her period in 5 days.  What would you recommend?

When is th best time to screen for intimate partner violence (IPV)?

The first line treatment for an 8 year old with atypical pneumonia is

Your patient is an 18-month-old with a three day history of clear nasal discharge and a dry cough.  Her parents deny a fever and state she is taking fluids well though she has a decreased appetite.  You diagnose a URI.   Her parents ask about using over the counter medications for her cold.  Which of the following would be the best response?

Pain produced by manipulation of the auricle or pressure on the tragus suggest:

In a suspected child abuse case the NP is required to

Tino, a healthy 4 year old, comes into the clinic for a well child check.  He has had four DTaPs, three IPVs, one MMR, one varicella, and two hepatitis B vaccines.  What would you order today?