A patient admitted to the emergency department with "excruciating chest pain, above the rating of 10," has a heart rate of 55, rapid, irregular respirations, complains of nausea, and is too weak to move to the stretcher without aid
The nurse recognizes that this response to severe pain is due to the response of the _____ nervous system.
a. Parasympathetic
b. Sympathetic
c. Central
d. Peripheral
ANS: A
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Which assessment finding would convince the nurse to "hold" the next dose of magnesium sulfate?
a. Absence of deep tendon reflexes b. Urinary output of 100 ml total for the previous 2 hours c. Respiratory rate of 14 breaths/minute d. Decrease in blood pressure from 160/100 to 140/85
An older patient diagnosed with dementia has begun behaviors that increase the risk of falling. The patient's son tells the nurse that "physical restraints may be used." The nurse responds
a. "I'll document that, so that the staff can use them when necessary." b. "Physical restraints are seldom effective on patients with dementia." c. "The staff will use physical restraints only as a last resort." d. "There are more effective methods to use to help ensure her safety."
When doing an initial assessment, a nurse can use palpation to assess for
1. Hyperinflated lungs. 2. Distension of the bladder. 3. Liver size. 4. Level of respiratory effort.
The nurse explains to a student nurse that the median lethal dose of drugs is often determined in laboratory preclinical trials because
1. it would be unethical to determine these values in human subjects. 2. the safety of the medication must be determined prior to clinical trials. 3. it is difficult to obtain sufficient participants for clinical trials. 4. clinical trials determine only the effective dose of a drug. 5. it is too costly to conduct the studies during clinical trials.