The pt with acute cholecystitis had a pacemaker. Which diagnostic test is contraindicated?
a. ERCP
b. Magnetic resonance cholangiopancreatography (MRCP)
c. Ultrasonography of the RUQ
d. Hepatobiliary (HIDA) scan
Answer: b. Magnetic resonance cholangiopancreatography (MRCP)
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A nurse admitting a patient with a history of emphysema reviews her past lab reports and notes that the patient's PaCO2 has been 56 to 64 mmHg. The nurse will be cautious administering oxygen because:
A) The patient's calcium will rise dramatically due to pituitary stimulation. B) The oxygen will increase the patient's intracranial pressure and create confusion. C) The oxygen may cause the patient to hyperventilate and become acidotic. D) Using oxygen may result in the patient developing carbon dioxide narcosis and hypoxemia.
The nurse is teaching the student nurse the physiology involved in pain transmission. Which of the following statements accurately describes a physiologic event in the nervous system related to pain transmission? Select all answers that apply
A) Thermal stimulation may involve the release of mediators, such as histamine, prostaglandins, leukotrienes, or bradykinin. B) When nociceptors are activated by noxious stimuli, the stimuli are converted to electrical impulses that are relayed to the spinal cord and brain. C) Myelinated A-delta fibers are large fibers that conduct the impulse at very rapid rates; unmyelinated small C fibers transmit the impulse slowly. D) Once in the dorsal horn of the spinal cord, the nerve fibers divide and then cross to the opposite side and rise upward to the thalamus. E) The point at which the person first feels the highest intensity of the painful stimulus is termed the pain threshold. F) Peripheral sensitization allows the nerve fibers to react to a stimulus that is of lower intensity than would be needed to cause pain.
Which intervention is most important for the nurse to implement to prevent complications from tumor lysis syndrome during chemotherapy?
A. Ensure that the client has a fluid intake of 3000 to 5000 mL per day. B. Monitor electrocardiograph rhythms every hour during therapy. C. Apply pressure to all injection sites for 5 minutes. D. Assist the client in all ambulatory activities.
Magnesium sulfate is given to women with preeclampsia and eclampsia in order to:
1. improve patellar reflexes and increase respiratory efficiency. 2. shorten the duration of labor. 3. prevent and treat convulsions. 4. prevent a boggy uterus and lessen lochial flow.