with complete solutions.
A patient is seen at the clinic for a routine physical examination. After the patient is assessed for evidence of
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peripheral vascular disease, the nurse explains that which of the following tests is typically used to assist in
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the diagnosis?
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1. Allen's Test
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2. Ankle brachial pressure index.
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3. Cardiac Stress Test.
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4. Echocardiogram - CORRECT ANSWER✔✔2. Ankle brachial pressure index.
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Rationale: The ankle brachial index (ABI) is the blood pressure ratio between the lower legs and the arms.
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Blood pressure in the legs is normally higher than the arms, and abnormalities indicate narrowing of the
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arteries. Clinical findings that may suggest the presence of PVD includes a history of angina with activity,
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intermittent claudication, and abnormal (weak or absent) pedal pulses. The formula for ABI is the systolic
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blood pressure of the ankle (measured at the dorsalis pedis or posterior tibial arteries) divided by the
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systolic pressure in the arms. It is measured on both sides. A ratio of 1.0 indicates peripheral vascular
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disease. Incorrect: Allen's test is used to assess blood supply to the hand.Incorrect: Cardiac stress tests are
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used to measure the heart's ability to respond to stress. Incorrect: ECG evaluates the structure and function
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of the heart muscle, but does not tell if there is peripheral vascular disease present.
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,A patient has been diagnosed with left-sided congestive heart failure, and is confused about the return of
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oxygenated blood from the lungs. To clarify the confusion, the nurse explains all chambers of the heart
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dealing with blood circulation. The nurse is correct when she tells the client:
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1. A muscular space called the pericardial space separates the chambers of the right side from the left side.
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2. Blood flows into the left ventricle which pumps it out against high resistance into the systemic circulation.
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3. The blood moves to the left ventricle, which pumps blood into the lungs.
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3. The heart consists of 5 chambers.
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4. The left atrium receives oxygenated blood from the lungs.
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5. The right atrium receives deoxygenated blood from the body tissues. - CORRECT ANSWER✔✔2. Blood
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flows into the left ventricle which pumps it out against high resistance into the systemic circulation.
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3. The blood moves to the left ventricle, which pumps blood into the lungs.
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4. The left atrium receives oxygenated blood from the lungs.
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5. The right atrium receives deoxygenated blood from the body tissues.
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Rationale: Heart consists of 4 chambers: 2 atria and 2 ventricles. The right and left chambers are separated
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down the middle of the heart by a septum, like a wall. The right atrium receives deoxygenated from the
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body, and the blood then moves down into the right ventricle, which pumps it to the lungs with low
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resistance. The left atrium then receives oxygenated blood from the lungs, and that blood moves down into
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the left ventricle. The left ventricle, which is the most muscular chamber, pumps oxygen rich blood into the
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systemic circulation.
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A patient recovering from a MI has been in bed for 6 days. The patient now complains of calf pain. The nurse
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should first:
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1. Administer pain medication as ordered.
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2. Assess the calf for redness warmth and swelling.
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3. Massage the calf to relieve the muscle cramp.
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Observe the patient walking. - CORRECT ANSWER✔✔2. Assess the calf for redness warmth and swelling.
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,Rationale: Due to the time spend in bed and inactive, the patient is at high risk for the development of a DVT.
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Pain in the calf, redness or heat, and swelling in the affected extremity are signs of a DVT. Diagnostic tests
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that help diagnose a DVT include a D-dimer test to confirm the presence of fibrin degradation in products
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from a clot, venous ultrasound, venography to visualize the clot with contrast, or less commonly MRI or CT.
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The nurse is caring for a patient in the early stages of heart failure. The family is curious as to how the body
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adapts to heart failure. The nurse knows that during the early stages of heart failure, which specific
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compensatory mechanisms occur?
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1. Decreased cardiac output inhibits the release of ADH by the pituitary gland.
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2. Hypotension stimulates the baroreceptors to increase sympathetic activity.
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3. Hypotension stimulates the baroreceptors to decrease sympathetic activity.
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4. Impaired renal perfusion inhibits aldosterone release. - CORRECT ANSWER✔✔2. Hypotension
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stimulates the baroreceptors to increase sympathetic activity.
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Rationale: As arterial blood pressure falls, the baroreceptors of the carotid and aorta are stimulated. This
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causes a sympathetic release of catecholamines, resulting in vasoconstriction and an increased heart rate to
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compensate. The compensatory mechanism increases peripheral vascular resistance and also the work
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load of the heart. This can worsen heart failure if not treated.
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Incorrect: Decreased cardiac output will INCREASE ADH release, leading to fluid retention.
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Incorrect: Impaired renal perfusion will stimulate aldosterone release leading to addition fluid and sodium
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retention.
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The nurse is assessing a patient with atrial fibrillation and a rapid ventricular rate. The nurse would expect to
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see:
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1. Distended juglar veins.
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2. Dizziness and hypotension.
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3. Hypertension and headache.
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4. Lower extremity pain. - CORRECT ANSWER✔✔2. Dizziness and hypotension.
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, Rationale: Atrial fibrillation is any arrhythmia in which the atria initiate rapid, ineffective contractions that
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are not synchronized with ventricular contractions. This patient has uncontrolled atrial fibrillation, which
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can result in a low cardiac output. Signs and symptoms of a low cardiac output include hypotension,
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dizziness, weakness, fatigue, shortness of breath, and syncope.
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The nurse is caring for a patient scheduled to undergo a mitral valve replacement. The nurse should monitor
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for which complication of mitral stenosis?
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1. Left-sided heart failure.
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2. MI j
3. Pulmonary Hypertension
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4. Respiratory Alkalosis - CORRECT ANSWER✔✔3. Pulmonary Hypertension
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Rationale: Mitral stenosis impeded blood flow from the left atrium to the left ventricle of the heart. This
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creates increased pulmonary vascular resistance, causing pulmonary hypertension. Other complications of
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mitral stenosis include edema, right-sided heart failure, and reduced cardiac output.
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A nurse is assessing a patient who has longstanding hypertension. The nurse know that complications of
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hypertension are possibly arising when which of the following signs are noted?
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1. Dyspnea during activity
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2. Fatigability
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3. Recurrent episodes of severe headache.
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4. Trace proteins in the urinalysis. - CORRECT ANSWER✔✔4. Trace proteins in the urinalysis.
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Proteinuria and albuminuria are early indications of renal injury, a serious complication that can be caused
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by hypertension. High pressures damage the kidney's ability to filter toxins, and evidence of this damage is
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seen as proteins leak out of the urine. The other choices are not direct indicators of progressive disease or
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complications. Fatigability and headache are symptoms of hypertension but are not direct indicators of
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progressive disease or complications. These may be side effects of certain medications used to treat
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hypertension. Dyspnea during activity is NOT associated with hypertension. Dyspnea can be a sign of low
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cardiac output (congestive heart failure), pulmonary edema, severe anemia, or a respiratory problem
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(asthma, pneumonia, etc.). ;./
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