NR509 Week 4 Exam Questions And Correct
Answers
The sac that surrounds and protects the heart is called the:
a. Pericardium.
b. Myocardium.
c. Endocardium.
d. Pleural space. - answera. Pericardium.
The direction of blood flow through the heart is best described by which of these?
a. Vena ca...
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. - answer✔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. - answer✔c. Blood can flow into the left side of the heart through an opening
in the atrial septum.
A 25-year-old woman in her fifth month of pregnancy has a blood pressure of 100/70 mm Hg. In
reviewing her previous examination, the nurse notes that her blood pressure in her second month
was 124/80 mm Hg. In evaluating this change, what does the nurse know to be true?
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