The peripheral nervous system consists of the
a. ventral and dorsal systems c. distal and medial systems
b. autonomic and somatic systems d. sensory and muscular systems
B
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The pH scale is used to indicate the acidity of a solution based on the concentration of hydrogen ions in the solution. The scale ranges from 0 to 14, and solutions with low pH numbers are more acidic than those with high pH numbers. Vinegar is a acidic solution with a pH of 2.2, indicating that it contains 1 x 10^-2 g of hydrogen ions per liter. Write this number in decimal form.
A) 0.01 g of hydrogen ions/L B) 0.1 g of hydrogen ions/L C) 1 g of hydrogen ions/L D) 10 g of hydrogen ions/L E) 100 g of hydrogen ions/L
While working on a geriatric unit, the nurse would be most concerned by which of these findings?
A. An 81-year-old client is scheduled to take 12 pills at 9 a.m. B. A 72-year-old client given a sleeping pill the night before seems confused. C. A 69-year-old client with a deep vein thrombosis has an order for an anticoagulant. D. A 74-year-old client with diabetes has a fasting glucose result of 88 g/dL.
After falling down some stairs, a patient comes to the Emergency Department with multiple purplish patches on the skin caused by leaking blood vessels. The physician would document that the patient has multiple:
A) abrasions B) contusions C) petechiae D) lesions
Describe the practice of counting or bedtime breathing