Select the primary reason why the use of ketamine would be contraindicated in patients with a history of hypertension.
A. Ketamine stimulates the sympathetic nervous system, leading to elevated blood pressure and heart rate during the anesthesia.
B. Ketamine activates the alpha2 adrenergic receptors in the CNS and inhibits sympathetic activity, resulting in increased blood pressure and heart rate.
C. Ketamine competitively inhibits the activity at the benzodiazepine recognition site on the GABA receptor, leading to elevated blood pressure and heart rate.
D. None of these are correct.
Answer: A
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The student nurse studying childhood cancers understands that neoplasms are caused by which factors? (Select all that apply.)
A. Chromosomal/genetic abnormalities B. External stimuli or environment C. Maternal nutrition during gestation D. Substance abuse during pregnancy E. Viruses that alter the immune system
A client presents at the clinic with an allergic disorder. The client asks the nurse what an "allergic disorder" means. What would be the nurse's best response?
A) "It means you are very sensitive to something inside of yourself." B) "It is a hyperimmune response to something in the environment that is usually harmless." C) "It is a muted response to something in the environment." D) "It is a harmless reaction to something in the environment."
What are fundamental qualities in good written expression?
a. precision and clarity b. description c. long, academic-sounding words d. long sentences
The nurse is caring for a newborn with hyperbilirubinemia who is receiving phototherapy. Which is an appropriate nursing intervention for this newborn?
a. Apply lotion as prescribed to moisturize skin. b. Maintain nothing-by-mouth (NPO) status to prevent nausea and vomiting. c. Monitor temperature to prevent hypothermia or hyperthermia. d. Keep eye patches on for at least 8 to 12 of every 24 hours.