List four reasons why the ventricles may assume responsibility for pacing the heart
What will be an ideal response?
The ventricles may assume responsibility for pacing the heart if the sinoatrial (SA) node fails to discharge, an impulse from the SA node is generated but blocked as it exits the SA node, the rate of discharge of the SA node is slower than that of the ventricles, or an irritable site in either ventricle produces an early beat or rapid rhythm.
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What genetic carrier screening would be appropriate for an African American couple planning to begin a family?
A) Renal failure B) Sickle cell anemia C) Iron deficiency anemia D) Vitamin B12 deficiency
A nurse is trying to help a client understand the difference between glucose and glycogen. She explains that glycogen is stored in the liver in limited amounts and it is released between meals as glucose to maintain serum blood glucose levels
The client shows he understands when he indicates that glycogen is the human version of which of the following? A) Fiber B) Sugar C) Starch D) Protein
You are the nurse preparing a presentation about WHO World Health Statistics Report for 2008. What would you highlight about the statistics in the presentation?
A) Maternal morbidity is declining too slowly. B) The gap in coverage in the four key intervention areas of family planning, maternal and neonatal care, immunization, and treatment of sick children remains wide. C) The number of people living with diabetes mellitus continues to rise but is lower than previously expected. D) Use of insecticide-treated nets to prevent malaria has increased and the poor do benefit from malaria interventions.
The nurse suspects that a patient who recently returned home from deployment in the Middle East is experiencing posttraumatic stress disorder (PTSD). Which finding caused the nurse to make this clinical determination? (Select all that apply.)
1. Planning to search for employment in a few weeks 2. Increasing the intake of alcoholic beverages since returning home 3. Falling to the floor and covering the head when hearing a door bang 4. Reporting being afraid to fall asleep because of recurrent nightmares 5. Stating an inability to concentrate when reading or watching television