NR509 Week 4 Exam Practice Questions and Answers
The sac that surrounds and protects the heart is called the:
a. Pericardium.
b. Myocardium.
c. Endocardium.
d. Pleural space. - Ans:-a. Pericardium.
The direction of blood flow through the heart is best described by which of these?
a. Vena cav...
The findings from an assessment of a 70-year-old patient with swelling in his ankles include jugular
venous pulsations 5 cm above the sternal angle when the head of his bed is elevated 45 degrees. The
nurse knows that this finding indicates:
a. Decreased fluid volume.
b... Increased cardiac output.
c. Narrowing of jugular veins.
d. Elevated pressure related to heart failure. - Ans:✔✔-d. Elevated pressure related to heart failure.
When assessing a newborn infant who is 5 minutes old, the nurse knows which of these statements to
be true?
a. The left ventricle is larger and weighs more than the right ventricle.
b. The circulation of a newborn is identical to that of an adult.
c. Blood can flow into the left side of the heart through an opening in the atrial septum.
d... The foramen ovale closes just minutes before birth, and the ductus arteriosus closes immediately
after. - Ans:✔✔-c. Blood can flow into the left side of the heart through an opening in the atrial septum.
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