They ask how phenytoin (Dilantin) works in preventing seizures. How would you respond?
What will be an ideal response?
Dilantin works by affecting sodium channels in the motor cortex of the brain. It does not prevent
abnormal brain activity from starting; instead, it prevents the abnormal activity from spreading to
other parts of the brain. This action helps control seizures.
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A near-infrared spectroscopy (NIRS) probe is placed in a trauma patient during the resuscitation phase to:
a. assess severity of metabolic acidosis. b. determine intraperitoneal bleeding. c. determine tissue oxygenation. d. prevent complications of over-resuscitation.
Which factor should be the primary consideration when determining the validity of experimental study findings?
a. The extent to which the researcher controlled intervening variables b. The number of subjects who dropped out of the control and experimental groups c. The credentials and previous experience of the researcher d. The number of persons involved in the data collection process
The client is prescribed propantheline bromide 30 mg PO ac and hs. How many grams will the client receive in a one week period?
1. 42 g 2. 4.2 g 3. 0.42 g 4. 0.042 g
A community health nurse is teaching a group of clients about infection control and mentions the role of vectors in transmitting diseases. Which of the following would be examples of some common vectors? Select all that apply
A) Chemicals B) Mosquitoes C) Salmonella D) Fleas E) Roaches