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A client with pulmonary hypertension asks the nurse to explain the heart changes that can occur with this disorder. Which is the best response by the nurse?

A client had a tracheostomy two hours ago. The nurse assesses the client and finds the client’s breathing is shallow, with a respiratory rate of 30. The nurse notes increased mucus production around the tracheostomy and on the dressing. What is the priority nursing concern(s)? Select all that apply.

Beta blockers decrease myocardial oxygen consumption by doing which of the following? I. Decreasing heart rate II. Decreasing contractility III. Decreasing blood pressure IV. Decreasing afterload

Stimulation of the sympathetic nervous system will cause _______________.

The immune system is made up of which functional units? I. Humoral immunity II. Cell-mediated immunity III. Circulating immunity IV. Extrinsic immunity

All of the following ions are influential in the heart’s conduction system EXCEPT:

Haemophilus influenza is the suspected pathogen for which of the following respiratory infections? I. Bronchitis II. Hospital acquired pneumonia III. Epiglottitis IV. Croup

A patient with AIDS also has asthma. Which of the following is true concerning the decision to treat this patient with corticosteroids?

The release of chemical mediators from the mast cell is best referred to as _____

Pneumonia in HIV+ patients is usually caused by which of the following?