NUR 425 CC EXAM 1 QUESTIONS AND SOLUTIONS| ALREADY PASSED
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Course
NUR 425
Institution
NUR 425
What is the difference between sinus rhythm and sinus bradycardia? a. different rhythm b. different QRS complex c. different rates d. different p waves c. different rates
Which intervals are traditionally measured to be able to evaluate an electrocardiogram? SATA a. QRS b. PR interval c. TR interv...
NUR 425 CC EXAM 1 QUESTIONS AND
SOLUTIONS| ALREADY PASSED
What is the difference between sinus rhythm and sinus bradycardia?
a. different rhythm
b. different QRS complex
c. different rates
d. different p waves ✅c. different rates
Which intervals are traditionally measured to be able to evaluate an electrocardiogram?
SATA
a. QRS
b. PR interval
c. TR interval
d. PT interval ✅a. QRS
b. PR interval
Which is the correct order of normal electrical activity in the cardiac cycle?
a. Bundle branches, Purkinje fibers, SA node, AV node
b. SA node, AV node, Bundle branches, Purkinje fibers
c. SA node, Purkinje fibers, AV node, Bundle brances
d. AV node, SA node, Bundle brances, Purkinje fibers ✅b. SA node, AV node, Bundle
branches, Purkinje fibers
The horizontal axis of the EKG graph paper measures what concept?
a. Time
b. Voltage
c. Cardiac output
d. Blood flow ✅a. Time
If the R to R ratios in an EKG are inconsistent, what is true about the EKG strip?
a. rate is normal
b. rhythm is regular
c. rhythm is irregular
d. rate is abnormal ✅c. rhythm is irregular
An RN at a provider's office receives a phone call from a pt who reports nausea and
unrelieved chest pain after taking a nitroglycerin tablet 5 mins ago. Which of the
following is an appropriate response by the RN?
a. Tell client to take an antacid
b. Instruct client to call 911
c. Tell client to take another nitroglycerin tablet in 15 mins
d. Advise the client to come to office ✅b. Instruct client to call 911
,b/c client is having unstable angina or acute MI
An RN is teaching the partner of a pt who had an acute MI about the reason blood was
drawn from the pt. Which of the following statements should the RN make regarding
cardiac enzyme studies?
a. "These tests help determine the degree of damage to the heart tissues."
b. "Cardiac enzymes will identify the location of the MI."
c. "These tests will enable the provider to determine the heart structure and mobility of
the heart valves."
d. "Cardiac enzymes assist in diagnosing the presence of pulmonary congestion." ✅a.
"These tests help determine the degree of damage to the heart tissues."
An RN is teaching about necessary baseline examinations with a female pt who is to
start taking atorvastatin. Which of the following baseline examinations should the RN
include in the teaching?
a. Liver function tests
b. Hearing test
c. Papanicolaou test
d. Dental examination ✅a. Liver function tests
Atorvastatin can cause liver damage and should not be taken by clients who have a hx
of liver disease. Client should undergo baseline liver function before beginning therapy
and every 6-12 months thereafter
An RN is caring for a pt who came to the emergency department reporting chest pain.
The provider suspects an MI. While waiting for the troponin levels report, the pt asks
what this blood test will show. Which of the following explanations should the RN
provide the client?
a. Troponin is an enzyme that indicates damage to brain, heart, and skeletal muscle
tissues
b. Troponin is a lipid whose levels reflect the risk for coronary artery disease.
c. Troponin is a heart muscle protein that appears in the bloodstream when there is
damage to the heart.
d. Troponin is a protein that helps transport O2 throughout the body ✅c. Troponin is a
heart muscle protein that appears in the bloodstream when there is damage to the
heart.
An RN on a med/surg unit is caring for a pt who reports pain in jaw, back, and shoulder,
and shortness of breath and nausea. Which of the following actions should the RN
take?
a. Obtain an EKG
b. Administer enteric-coated acetaminophen
c. Administer ibuprofen
d. Maintain O2 sats greater than or equal to 92% ✅a. Obtain an EKG
, An RN is teaching a pt who has a new prescription for simvastatin. Which of the
following instructions should the RN include?
a. "You should expect brown-colored urine."
b. "You should avoid grapefruit juice."
c. "You should monitor for ringing in the ears."
d. "You should take the medication in the morning." ✅b. "You should avoid grapefruit
juice."
Grapefruit inhibits drug-metabolizing enzyme of simvastatin
A pt who has a history of an MI is prescribed aspirin 325 mg. The RN recognizes that
the aspirin is given due to which of the following actions of the medication?
a. analgesic
b. anti-inflammatory
c. antiplatelet aggregate
d. antipyretic ✅c. antiplatelet aggregate
reduce risk of a second MI or CVA by inhibiting platelet aggregation and reducing
thrombus formation
An RN in an ED is assessing a pt who is having a suspected MI. Which of the following
S/S should the nurse expect to find for a pt experiencing an acute MI? (SATA)
a. Orthopnea
b. Headache
c. Nausea
d. Tachycardia
e. Diaphoresis ✅c. Nausea
d. Tachycardia
e. Diaphoresis
An RN is assessing a pt who has hypercholesterolemia and is receiving simvastatin.
Which of the following findings should the RN recognize as a potential adverse effect
a. Urinary retention
b. Muscle weakness
c. Orthostatic hypotension
d. Blurred vision ✅b. Muscle weakness
Myopathy is an adverse effect of this medication. Signs of myopathy include muscle
aches, tenderness, and muscle weakness.
An RN is providing teaching to a pt who has stable angina and a new prescription for
nitroglycerin oral, sustained-release capsules. Which of the following instructions should
the RN include?
a. Take 1 capsule at the onset of anginal pain
b. Stop taking the medication is side effects are troublesome.
c. Take the medications with meals.
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