Which of the following assessments indicates an early sign of hypoxemia?
a) Clubbing of nail beds
b) Hypotension
c) Cyanosis
d) Restlessness - correct
... [Show More] answer d) Restlessness
A patient with hypovolemic shock has a urinary output of 15 ml/hr. The nurse understands that the compensatory physiologic mechanism that leads to altered urinary output is:
a) Activation of the sympathetic nervous system (SNS), causing vasodilation of the renal arteries.
b) Stimulation of cardiac alpha adrenergic receptors, leading to increased cardiac output.
c) Release of aldosterone which causes sodium and water retention.
d) Movement of interstitial fluid to the intravascular space, increasing renal blood flow. - correct answer c) Release of aldosterone which causes sodium and water retention.
Which of the following laboratory values could indicate that a client has leukemia?
a) WBCs 32,000/mm3
b) Platelets 300,000/mm3
c) Hemoglobin 15g/dL
d) Blood pH of 7.35 - correct answer a) WBCs 32,000/mm3
A male patient's X-ray result reveals bilateral white-outs, indicating adult respiratory distress syndrome (ARDS). This syndrome results from:
a) Cardiogenic pulmonary edema
b) Respiratory alkalosis
c) Increased pulmonary capillary permeability
d) Renal failure - correct answer c) Increased pulmonary capillary permeability
Which nursing/medical order would be MOST HELPFUL in determining whether a patient with a brain injury may be developing diabetes insipidus?
a) Draw ABG's every 4 hours
b) Measure urine specific gravity hourly
c) Obtain vital signs hourly
d) Serum osmolality every AM - correct answer b) Measure urine specific gravity hourly
A nurse is teaching a group of older adults about the value of including foods containing antioxidants in their diet. Which of the following statements best captures the rationale underlying the nurse's advice?
a) Antioxidants inhibit the actions of reactive oxygen species.
b) Antioxidants prevent the formation of superoxide dismutase.
c) Antioxidants react nonspecifically with molecules.
d) Antioxidants prevent the occurrence of cell dysplasia. - correct answer a) Antioxidants inhibit the actions of reactive oxygen species
A 68-year-old male client with aortic stenosis secondary to calcification of the aortic valve is receiving care. Which of the following statements best captures an aspect of this client's condition?
a) Paget disease, cancer with metastases, or excess vitamin D may have contributed to the problem.
b) Increased calcium intake over time may have contributed to the problem.
c) The client has possibly undergone damage as a result of calcification following cellular injury.
d) The client has possibly exhibited phosphate retention leading to calcium deposits. - correct answer c) The client has possibly undergone damage as a result of calcification following cellular injury. [Show Less]