Vokabular og Grammatikk

A 6-year-old child is brought to the clinic for a well-child visit. The nurse observes that the child avoids eye contact, engages in repetitive behaviors, and has delayed language development. Which developmental disorder should the nurse suspect?

While assessing an adult patient’s heart sounds, the nurse hears a harsh, blowing sound heard best at the second right intercostal space. Which heart valve is most likely affected?

A pregnant woman complains of shortness of breath and palpitations. On auscultation, the nurse hears a systolic murmur with a crescendo-decrescendo pattern heard best at the left sternal border. Which condition is likely responsible for this murmur?

A 45-year-old patient presents with a firm, painless lump in the scrotum. The nurse suspects a testicular tumor. Which additional finding would further support this suspicion?

Sheila had a foul smelling, yellow-green vaginal discharge and vaginal irritation.  Treatment with an over the counter anti-fungal cream did not alleviate symptoms.   Upon a doctor’s visit, Sheila discovered she had an infection caused by _________________. 

Recent legislation has decreased the roles of the chief audit executive (CAE).

You are a clinician-research in a geriatric clinic at a hospital.  You use data from your patients to develop a classification model to identify if someone is at risk for a stroke.   You train and evaluate your model with these data and determine that it has high sensitivity and specificity.  You initially use this model in your clinic to screen these older patients for a costly medical intervention designed to reduce their risk of stroke.   One of the doctors in a primary care unit of the hospital (who sees mostly young and middle aged patients) approaches you and asks if they can use your model to screen their patients for this intervention.  What are the two most important reasons why this may not be a good idea?

What are two distinct potential advantages of using a word embedding approach over simple bag of words (e.g., using one-hot coding) for feature engineering text data?

When would you considering upsampling your outcome variable (y)?  Describe how upsampling is done.  Make sure you specifically describe how the held-in and held-out data are modified.