The client diabetic client asks the nurse why it is necessary to maintain blood glucose levels no lower than about 74 mg/dL. What is the nurse's best response?
A. "Glucose is the only fuel form used by body cells to produce energy needed for physiologic activity."
B. "The central nervous system, which cannot store glucose, requires a continuous supply of glucose for fuel."
C. "Without a minimum level of glucose circulating in the blood, erythrocytes cannot produce ATP."
D. "The presence of glucose in the blood counteracts the formation of lactic acid and prevents acidosis."
B
Because the brain cannot synthesize or store significant amounts of glucose, a continuous supply from the body's circulation is needed to meet the fuel demands of the central nervous system.
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A teenaged boy jumped from a two-story building and landed on his feet, injuring his spine, and is now in the ICU. The nurse recognizes his injury as which of the following?
A) Rotational injury B) Axial loading C) Hyperflexion D) Hyperextension
A nurse on a postsurgical unit is providing care for 20-year-old man who had an open appendectomy performed earlier this morning. Which of the following assessment findings should prompt the nurse to contact the patient's surgeon?
A) The patient has put out 35 mL of urine in the 7 hours since admission. B) The patient is complaining of nausea and has received a dose of metoclopramide (Reglan). C) The patient's peripheral IV has gone interstitial. D) The patient has stated that he has no place to go after he is discharged and lacks a social support system.
The patient should have his or her eyes closed during the exam of the sensory system
A) True B) False
What are the steps for pain transmission in the gate control theory? (Mark all that apply.)
A) Unrelieved painful stimulus on a peripheral neuron causes the "gate" to open B) The gate opens through repolarization of the nerve fiber C) The brain stem recognizes the stimulus as pain D) The pain stimulus passes down the afferent pathway E) The pain stimulus crosses the dorsal horn of the spine to the limbic system