Photoreceptors generate graded potentials that vary with respect to incremental changes in stimulus intensity.

Consider an Off-center bipolar cell and the circuitry of the direct pathway.  If the light intensity in the receptive field center were dimmed, which of the following would result?

Which of the following is used as a treatment for Parkinson’s disease?

A client with dyspnea is becoming very anxious.  An arterial blood gas (ABG) shows a pO2 of 93 mm Hg (80-100 mm Hg ).  How should the nurse intervene?

An infant is hospitalized with respiratory syncytial virus (RSV) bronchiolitis.  The priority nursing diagnosis is:

A client develops extreme respiratory distress and the provider identifies a tension pneumothorax.  The nurse prepares to assist with which urgent procedure?

The nurse is caring for a client who is scheduled for a bronchoscopy.  Which of the following is a priority nursing intervention for client preparation with the correct rationale?

A nurse is providing teaching to the parents of a child who has streptococcal pharyngitis about ways to prevent disease transmission.  Which of the following responses by the parents indicates an understanding of the teaching?

A nurse is caring for a client who develops a pulmonary embolism.  Which of the following interventions should the nurse implement first?

A client with lung cancer had a thoracentesis performed on the right side of the chest to decrease fluid from the pleural space.  Four hours after the procedure, the client complains of shortness of breath, pain on the right side of the chest, and respirations are rapid and shallow.  What is the most likely cause and rationale?