2025 NU 518 EXAM 2 | ALL QUESTIONS AND
CORRECT ANSWERS | GRADED A+ | LATEST
VERSION | VERIFIED ANSWERS | JUST
RELEASED
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. ---------
CORRECT ANSWER-----------------C
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. ---------CORRECT ANSWER-----------------B
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 ---------CORRECT
ANSWER-----------------D
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. ---------CORRECT ANSWER---
--------------D
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. ---------CORRECT ANSWER--------------
---C
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?
A This decline in blood pressure is the result of peripheral vasodilatation
and is an expected change.
B Because of increased cardiac output, the blood pressure should be
higher at this time.
C This change in blood pressure is not an expected finding because it
means a decrease in cardiac output.
D This decline in blood pressure means a decrease in circulating blood
volume, which is dangerous for the fetus. ---------CORRECT ANSWER-------
----------A
In assessing a 70-year-old man, the nurse finds the following: blood
pressure 140/100 mm Hg; heart rate 104 beats per minute and slightly
irregular; and the split S2 heart sound. Which of these findings can be
explained by expected hemodynamic changes related to age?
A Increase in resting heart rate
,B Increase in systolic blood pressure
C Decrease in diastolic blood pressure
D Increase in diastolic blood pressure ---------CORRECT ANSWER-----------
------B
Which vein(s) is(are) responsible for most of the venous return in the arm?
a Deep
b Ulnar
c Subclavian
d Superficial ---------CORRECT ANSWER-----------------D
A 70-year-old patient is scheduled for open-heart surgery. The surgeon
plans to use the great saphenous vein for the coronary bypass grafts. The
patient asks, What happens to my circulation when this vein is removed?
The nurse should reply:
a Venous insufficiency is a common problem after this type of surgery.
b Oh, you have lots of veinsyou wont even notice that it has been removed.
c You will probably experience decreased circulation after the vein is
removed.
d This vein can be removed without harming your circulation because the
deeper veins in your leg are in good condition. ---------CORRECT
ANSWER-----------------D
The nurse is reviewing the risk factors for venous disease. Which of these
situations best describes a person at highest risk for the development of
venous disease?
a Woman in her second month of pregnancy
b Person who has been on bed rest for 4 days
c Person with a 30-year, 1 pack per day smoking habit
d Older adult taking anticoagulant medication ---------CORRECT ANSWER-
----------------B
, The nurse is teaching a review class on the lymphatic system. A participant
shows correct understanding of the material with which statement?
a Lymph flow is propelled by the contraction of the heart.
b The flow of lymph is slow, compared with that of the blood.
c one of the functions of the lymph is to absorb lipids from the biliary tract.
d Lymph vessels have no valves; therefore, lymph fluid flows freely from
the
tissue spaces into the bloodstream. ---------CORRECT ANSWER--------------
---B
A 45-year-old man is in the clinic for a routine physical examination. During
the recording of his health history, the patient states that he has been
having difficulty sleeping. Ill be sleeping great, and then I wake up and feel
like I cant get my breath. The nurses best response to this would be:
a When was your last electrocardiogram?
B Its probably because its been so hot at night.
C Do you have any history of problems with your heart?
D Have you had a recent sinus infection or upper respiratory infection? -----
----CORRECT ANSWER-----------------C
In assessing a patients major risk factors for heart disease, which would
the nurse want to include when taking a history?
A Family history, hypertension, stress, and age
B Personality type, high cholesterol, diabetes, and smoking
C Smoking, hypertension, obesity, diabetes, and high cholesterol
D Alcohol consumption, obesity, diabetes, stress, and high cholesterol ------
---CORRECT ANSWER-----------------C
The mother of a 3-month-old infant states that her baby has not been
gaining weight. With further questioning, the nurse finds that the infant falls
asleep after nursing and wakes up after a short time, hungry again. What
other information would the nurse want to have?
A Infants sleeping position
B Sibling history of eating disorders
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller nevilletadayo. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $22.99. You're not tied to anything after your purchase.
