Which of the following is calculated by using the horizontal axis on an ECG strip??
A) Heart beats
B) Heart phases
C) Heart rate
D) Heart rhythm
C
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A nurse is working with a patient with acute head trauma. The nurse understands that the cerebral blood flow in this patient is decreased to compensate for the cerebral edema caused by the trauma
What other compensatory mechanisms should the nurse be aware of that are likely occurring in this patient to maintain a constant intracranial pressure? Select all that apply. A) Expansion of cisterns and ventricles B) Increased cerebrospinal fluid (CSF) production C) Increased CSF absorption D) Shunting of CSF into the spinal subarachnoid space
The nurse is preparing to start an intravenous (IV) line in a preschool-age child. After applying a eutectic mixture of local anesthetics, what will the nurse do to prepare the child?
a. Describe what the IV line will feel like and how long it will be in place. b. Explain the purpose of the procedure. c. Give the child equipment to handle and practice on a doll. d. Reassure the child that the pain will only last a few minutes.
The two structures that directly regulate visceral nerves are:
A. the hypothalamus and the pituitary gland. B. the pituitary gland and the pineal gland. C. the pituitary gland and the medulla oblongata. D. the hypothalamus and the medulla oblongata.
________ immunity is characterized by the formation of a population of lymphocytes that can attack and destroy the foreign material
A. Acquired B. Humoral C. Cell-mediated D. Hypersensitive