In the heart's conduction system, the _____ receive(s) an electrical impulse from the right and left bundle branches and relay(s) it to the ventricular myocardium
a. AV node
b. SA node
c. Purkinje fibers
d. atrial pacemaker cells
C
The right bundle branch innervates the right ventricle. The left bundle branch spreads the electrical impulse to the interventricular septum and left ventricle.
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The patient is receiving continuous renal replacement therapy (CRRT). The rate of ultrafiltration shows a downward trend and coagulation of the filter is suspected. What is the most appropriate first nursing action?
A) Immediately disconnect circuit from the patient B) Decrease the rate of blood flow by pump C) Use a saline bolus to diagnosis clot location and extent D) Raise the ultrafiltration collection device
The nurse is interpreting a patient's complete blood count. What does the CBC give an overall indication of?
A) Coagulation cascade B) Cardiac output and index C) Bone marrow health D) Overall immune status
Observing for elevation of the soft palate on phonation, the presence of a gag reflex, and the ability to swallow water are included in an assessment of which of the following?
a. vagus and hypoglossal nerves c. glossopharyngeal and vagus nerves b. facial and glossopharyngeal nerves d. cerebellar function
The nurse is planning care of a client admitted to the neurologic rehabilitation unit following a cerebrovascular accident. Which nursing intervention would be of highest priority?
A) Provide instruction on blood-thinning medication. B) Praise client when using adaptive equipment. C) Include client in planning of care and setting of goals. D) Assess client for ability to ambulate independently.