Please describe X-chromosome inactivation. Make sure your brief response covers the following elements. Brief phrases are fine.  a. What is it? b. When does it occur? c. How does it occur (ie, what is the process or mechanism)? d. What is thought to be the purpose of X-chromosome inactivation?  

How can a non-coding RNA act as an epigenetic mechanism?

The nurse administering donepezil (Aricept) to a patient with Alzheimer’s disease understands this drug has which expected therapeutic action?

The nurse is evaluating a patient with muscle weakness who received edrophonium, also known as the tensilon test.  After injection, the patient shows improved muscle strength.  The nurse knows this response of improved muscle strength to edrophonium is consistent with which of the following diseases?  

What will the nurse teach their client about taking corticosteroids?  Select all that apply.

A nurse is reviewing orders for a newly admitted patient for pneumonia.  The patient also has type 1 diabetes.  Blood sugar has been observed at the 200’s mg/dL level. The medications listed below are the only medications the provider ordered.  What is the nurse’s best action?   Vital signs: BP:  130/80 Heart rate:  110 Temperature:  102 F (oral) Pulse Ox:  94% Respiratory rate:  22  Medications: Azithromycin Lisinopril Metformin Acetaminophen  

The nurse knows that which of the following drugs can mask warning signs of hypoglycemia in a patient taking insulin?

The nurse is on a medical mission and inspects this patient’s foot.  Which medical condition will the nurses suspect has caused this problem?

When a full mouth series of periapical images is prescribed for an edentulous patient, why is a 14 image FMX, and not an 18 image FMX, the appropriate prescription. 

If the dental radiographer determines that a patient cannot tolerate intraoral projections, no intraoral receptors should be exposed.