An ECG machine's sensitivity must be calibrated so that a 1-millivolt electrical signal will produce a deflection measuring exactly _____ mm tall
a. 0.5
b. 1
c. 5
d. 10
D
When evaluating the ECG for the presence of chamber enlargement, it is particularly important to check the calibration marker to ensure that it is 10-mm tall.
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A middle-aged woman has sought care from her primary care provider and undergone diagnostic testing that has resulted in a diagnosis of MS. What sign or symptom is most likely to have prompted the woman to seek care?
A) Cognitive declines B) Personality changes C) Contractures D) Difficulty in coordination
A client has a herniated disk in the region of the third and fourth lumbar vertebrae. Which nursing assessment finding most supports this diagnosis?
a. hypoactive bowel sounds b. severe lower back pain c. sensory deficits in one arm d. weakness and atrophy of the arm muscles
Early hypoxia in a child would MOST likely present with:
A) tachycardia. B) bradypnea. C) mottled skin. D) bradycardia.
Community health nurses practice within the three levels of prevention. Which of the following would the community health nurse engage in at the primary level of prevention for communicable disease control? Select all that apply
A) Providing TB skin tests to children entering kindergarten B) Administering immunizations to senior citizens at a flu clinic C) Teaching kindergarten children to wash their hands D) Encouraging families to complete their young children's "baby shots" E) Providing chest x-rays to people with positive TB skin tests F) Encouraging clients to receive prompt treatment for the symptoms of gonorrhea