The educator is preparing to review the movement of body fluids with a nurse. Which statement should the educator use when referring to tonicity?
A. The ability to cause change in water movement across a membrane.
B. The measure of the number of dissolved particles, or solutes in 1 liter of water.
C. Water moves from areas of low concentration to areas of high solute concentration.
D. A solution that contains a greater concentration of solutes than plasma.
Answer: A
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The nurse understands that the disparities in health care are related to:
1. Discrimination. 2. Segregation. 3. Ethnocentrism. 4. Multiculturalism.
A patient in the ICU with severe head trauma remains stable for the first 24 hours after admission, with no indication of intracranial hypertension. Suddenly, however, the patient begins showing signs of Cushing's triad
The nurse recognizes that this occurrence indicates that the patient's compensatory mechanisms have become exhausted. What physiological change occurs as part of this exhaustion of compensatory mechanisms? Select all that apply. A) Decrease in volume of contents of the intracranial compartment B) Decrease in intracranial pressure C) Decrease in cerebral perfusion D) Decrease in compliance within the intracranial compartment
An elderly client is scheduled for cataract surgery and asks the nurse, "Will I need to wear pop-bottle lenses after surgery?" Which is the most appropriate response from the nurse?
A) "An implanted lens has replaced the need for corrective glasses." B) "Contact lenses are preferred by most clients after this surgery." C) "They can make corrective lenses much thinner now." D) "No lens is necessary with cataract surgery."
Nine of the 20 amino acids are considered essential because they
a. contain sulfur. b. are found only in animal proteins. c. cannot be manufactured by the body. d. are the only amino acids used to make body proteins.