Diagnostic testing of a patient with a history of chronic renal failure has been ordered. The care provider has ordered a test of the patient's creatinine clearance in an effort to gauge the progression of his disease
The nurse understands that this test reflects what aspect of the kidney structure and function?
A) The volume of blood that the kidneys are able to filter in a given time
B) The kidneys' ability to accommodate changes in blood pH
C) The locations in the renal tubules where excretion and resorption are occurring
D) The combined volume of the renal pelvises and the ureters
A
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Which of the following statements best defines how a chemical becomes termed a drug?
A) A chemical must have a proven therapeutic value or efficacy without severe toxicity or damaging properties to become a drug. B) A chemical becomes a drug when it is introduced into the body to cause a change. C) A chemical is considered a drug when the Food and Drug Administration (FDA) approves its release to be marketed. D) A chemical must have demonstrated therapeutic value to become a drug.
Which of the following is the most common urinary problem among men aged 65 years and older?
A) High urinary volume B) Glucose in the urine C) Stress incontinence D) Frequent urination
A patient's neurological status deteriorates over hours, and a craniotomy is performed to evacuate the hematoma. Which nursing intervention is indicated to help decrease the threat of increased intracranial pressure?
a. Elevate the head of the bed 30 degrees. b. Cluster nursing interventions to provide uninterrupted periods of rest. c. Teach him to cough and deep breathe to prevent the necessity for suctioning. d. Teach him to hold his breath and bear down while repositioning in bed.
Which of the following statements is true about stratified random sampling?
a. Allows the researcher to use a smaller sample size b. Ensures obtaining a larger sample at lower cost c. Internal validity is strengthened with this type of sampling d. Involves the selection of certain subjects from a convenience sample