Nokea
A patient presents to the clinic complaining of the inability to grasp objects with her right hand. The patients right arm is cool and has a difference in blood pressure of more than 20 mm Hg compared with her left arm. The nurse should expect that the primary care provider may diagnose the woman with what health problem?
- A. Lymphedema
- B. Raynauds phenomenon
- C. Upper extremity arterial occlusive disease
- D. Upper extremity VTE
Correct Answer: C
Rationale: The patient with upper extremity arterial occlusive disease typically complains of arm fatigue and pain with exercise (forearm claudication) and inability to hold or grasp objects (e.g., combing hair, placing objects on shelves above the head) and, occasionally, difficulty driving. Assessment findings include coolness and pallor of the affected extremity, decreased capillary refill, and a difference in arm blood pressures of more than 20 mm Hg. These symptoms are not closely associated with Raynauds or lymphedema. The upper extremities are rare sites for VTE.
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The nurse is taking a health history of a new patient. The patient reports experiencing pain in his left lower leg and foot when walking. This pain is relieved with rest. The nurse notes that the left lower leg is slightly edematous and is hairless. When planning this patients subsequent care, the nurse should most likely address what health problem?
- A. Coronary artery disease (CAD)
- B. Intermittent claudication
- C. Arterial embolus
- D. Raynauds disease
Correct Answer: B
Rationale: A muscular, cramp-type pain in the extremities consistently reproduced with the same degree of exercise or activity and relieved by rest is experienced by patients with peripheral arterial insufficiency. Referred to as intermittent claudication, this pain is caused by the inability of the arterial system to provide adequate blood flow to the tissues in the face of increased demands for nutrients and oxygen during exercise. The nurse would not suspect the patient has CAD, arterial embolus, or Raynauds disease; none of these health problems produce this cluster of signs and symptoms.
The nurse is caring for a 72-year-old patient who is in cardiac rehabilitation following heart surgery. The patient has been walking on a regular basis for about a week and walks for 15 minutes 3 times a day. The patient states that he is having a cramp-like pain in the legs every time he walks and that the pain gets better when I rest. The patients care plan should address what problem?
- A. Decreased mobility related to VTE
- B. Acute pain related to intermittent claudication
- C. Decreased mobility related to venous insufficiency
- D. Acute pain related to vasculitis
Correct Answer: B
Rationale: Intermittent claudication presents as a muscular, cramp-type pain in the extremities consistently reproduced with the same degree of exercise or activity and relieved by rest. Patients with peripheral arterial insufficiency often complain of intermittent claudication due to a lack of oxygen to muscle tissue. Venous insufficiency presents as a disorder of venous blood reflux and does not present with cramp-type pain with exercise. Vasculitis is an inflammation of the blood vessels and presents with weakness, fever, and fatigue, but does not present with cramp-type pain with exercise. The pain associated with VTE does not have this clinical presentation.
An occupational health nurse is providing an educational event and has been asked by an administrative worker about the risk of varicose veins. What should the nurse suggest as a proactive preventative measure for varicose veins?
- A. Sit with crossed legs for a few minutes each hour to promote relaxation.
- B. Walk for several minutes every hour to promote circulation.
- C. Elevate the legs when tired.
- D. Wear snug-fitting ankle socks to decrease edema.
Correct Answer: B
Rationale: A proactive approach to preventing varicose veins would be to walk for several minutes every hour to promote circulation. Sitting with crossed legs may promote relaxation, but it is contraindicated for patients with, or at risk for, varicose veins. Elevating the legs only helps blood passively return to the heart and does not help maintain the competency of the valves in the veins. Wearing tight ankle socks is contraindicated for patients with, or at risk for, varicose veins; socks that are below the muscles of the calf do not promote venous return, the socks simply capture the blood and promote venous stasis.
The nurse is assessing a woman who is pregnant at 27 weeks gestation. The patient is concerned about the recent emergence of varicose veins on the backs of her calves. What is the nurses best response?
- A. Facilitate a referral to a vascular surgeon.
- B. Assess the patients ankle-brachial index (ABI) and perform Doppler ultrasound testing.
- C. Encourage the patient to increase her activity level.
- D. Teach the patient that circulatory changes during pregnancy frequently cause varicose veins.
Correct Answer: D
Rationale: Pregnancy may cause varicosities because of hormonal effects related to decreased venous outflow, increased pressure by the gravid uterus, and increased blood volume. In most cases, no intervention or referral is necessary. This finding is not an indication for ABI assessment and increased activity will not likely resolve the problem.
The nurse is reviewing the physiological factors that affect a patients cardiovascular health and tissue oxygenation. What is the systemic arteriovenous oxygen difference?
- A. The average amount of oxygen removed by each organ in the body
- B. The amount of oxygen removed from the blood by the heart
- C. The amount of oxygen returning to the lungs via the pulmonary artery
- D. The amount of oxygen in aortic blood minus the amount of oxygen in the vena caval blood
Correct Answer: D
Rationale: The average amount of oxygen removed collectively by all of the body tissues is about 25%. This means that the blood in the vena cava contains about 25% less oxygen than aortic blood. This is known as the systemic arteriovenous oxygen difference. The other answers do not apply.