What percentage of the body's total resting cardiac output is used by the brain?
a. 5% c. 20%
b. 10% d. 40%
C
The brain constitutes 2% of the body's weight but uses 20% of the body's total resting cardiac output. It requires approximately 750 mL of blood flow per minute and can extract as much as 45% of arterial oxygen to meet normal metabolic needs.
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A patient has been admitted with right upper quadrant pain. Which would most likely be a source of her pain?
a. Spleen b. Ovaries c. Gallbladder d. Pancreas
When the nurse is assessing the glomerular filtration rate (GFR) of a patient, which method is more accurate when the patient's GFR is normal or mildly decreased?
A) Cockcroft-Gault equation B) Modification of Diet in Renal Disease C) Chronic Kidney Disease-Epidemiology Collaboration D) RIFLE
The nurse is caring for a child with disseminated intravascular coagulation (DIC). A priority nursing intervention for this child is:
1. Frequent ambulation. 2. Maintenance of skin integrity. 3. Monitoring of fluid restriction. 4. Preparation for x-ray procedures.
A client confides in the nurse that he is going to kill himself. Which of the following questions should the nurse ask the client?
A) "Have you ever attempted suicide before?" B) "What has happened to make you feel this way?" C) "How will you kill yourself?" D) "Do you think this will solve your problems?"