Which assessment finding should the advanced provider’s priority?

A 28-year-old pregnant woman in her third trimester presents for a routine check-up. During the cardiac exam, you auscultate an S3 heart sound. What is the most appropriate interpretation of this finding?

You are evaluating a 17 year old male with faintly erythematous macular lesions with fine scaling.  His hands and feet are clear, only his trunk and extremities show skin changes.  The rash on his trunk could be described as a Christmas tree pattern.  What additional skin change is associated with the above skin disorder? 

You observe a diffuse rash limited primarily to the trunk and proximal extremities, sparing the face and distal limbs. Based on this distribution alone, which of the following diagnoses is least likely?

Identify the type of Chiari malformation (shown below) that involves herniation of the medulla and vermis and elongation and downward displacement of the brainstem:  

Determine the molecular geometry of KrO2F2 (Kr is the central atom, and all the others are terminal atoms).

In the SiP- ion, the silicon-phosphorous bond is a ____ bond and there is/are _____ lone pairs of electrons around the silicon atom (must draw the correct Lewis structure first, Si is the central atom).

Of the four atoms, Ge, Ca, S, Si ____ is the most electronegative.

Calculate the wavelength (in meters) of a radiation that has a frequency of 1.25 × 1014 Hz.

Calculate the molar mass of this compound: C9H8O7