NR509 WEEK 4 EXAM (ACTUAL EXAM)
WITH QUESTIONS WITH VERY
ELABORATED ANSWERS CORRECTRY WELL
ORGANIZED LATEST 2024 – 2025 ALREADY
GRADED A+
When performing a peripheral vascular assessment on a patient, the nurse is
unable to palpate the ulnar pulses. The patient's skin is warm and capillary refill
time is normal. Next, the nurse should:
a. Check for the presence of claudication.
b. Refer the individual for further evaluation.
c. Consider this finding as normal, and proceed with the peripheral vascular
evaluation.
d. Ask the patient if he or she has experienced any unusual cramping or tingling in
the arm. - ANSWERS-c. Consider this finding as normal, and proceed with the
peripheral vascular evaluation.
,The nurse is assessing the pulses of a patient who has been admitted for
untreated hyperthyroidism. The nurse should expect to find a(n) _______ pulse.
a. Normal
b... Absent
c. Bounding
d. Weak, thready - ANSWERS-c. Bounding
The nurse is preparing to perform a modified Allen test. Which is an appropriate
reason for this test?
a. To measure the rate of lymphatic drainage
b. To evaluate the adequacy of capillary patency before venous blood draws
c. To evaluate the adequacy of collateral circulation before cannulating the radial
artery
d. To evaluate the venous refill rate that occurs after the ulnar and radial arteries
are temporarily occluded - ANSWERS-c. To evaluate the adequacy of collateral
circulation before cannulating the radial artery
When listening to heart sounds, the nurse knows the valve closures that can be
heard best at the base of the heart are:
a. Mitral and tricuspid.
b. Tricuspid and aortic.
c. Aortic and pulmonic.
d. Mitral and pulmonic. - ANSWERS-c. Aortic and pulmonic.
,Which of these statements describes the closure of the valves in a normal cardiac
cycle?
a. The aortic valve closes slightly before the tricuspid valve.
b. The pulmonic valve closes slightly before the aortic valve.
c. The tricuspid valve closes slightly later than the mitral valve.
d. Both the tricuspid and pulmonic valves close at the same time. - ANSWERS-c.
The tricuspid valve closes slightly later than the mitral valve.
The component of the conduction system referred to as the pacemaker of the
heart is the:
a. Atrioventricular (AV) node.
b. Sinoatrial (SA) node.
c. Bundle of His.
d. Bundle branches. - ANSWERS-b. Sinoatrial (SA) node.
The electrical stimulus of the cardiac cycle follows which sequence?
a. AV node - SA node - bundle of His
b. Bundle of His - AV node - SA node
c. SA node - AV node - bundle of His - bundle branches
d. AV node - SA node - bundle of His - bundle branches - ANSWERS-d. AV node -
SA node - bundle of His - bundle branches
, 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. - ANSWERS-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. - ANSWERS-c. Blood can flow into the left side of the
heart through an opening in the atrial septum.
The sac that surrounds and protects the heart is called the:
a. Pericardium.
b. Myocardium.
c. Endocardium.
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