When preparing a client for an emergency cesarean birth with no time to administer spinal anesthesia, what is the greatest risk of administering general anesthesia to the client?
Respiratory depression.
Aspiration of stomach contents.
Uterine relaxation.
Inadequate muscle relaxation.
The Correct Answer is B
Answer and explanation
The correct answer is B. Aspiration of stomach contents.
Choice A rationale:
Respiratory depression is a potential risk of general anesthesia, but it is not the greatest risk in this scenario.
It is usually well-managed by the anesthesiologist during surgery.
They will closely monitor the patient's respiratory status and adjust the level of anesthesia as needed to maintain adequate breathing.
If respiratory depression does occur, it can be quickly reversed with medications.
Choice B rationale:
Aspiration of stomach contents is the most serious risk of general anesthesia in pregnant women.
This is because pregnancy causes a number of changes in the gastrointestinal system that increase the risk of aspiration:
The growing uterus puts pressure on the stomach, which can cause stomach contents to reflux into the esophagus.
Pregnancy hormones can relax the esophageal sphincter, which is the muscle that normally prevents food and stomach acid from coming back up the esophagus.
Labor can further delay gastric emptying, leading to a higher volume of stomach contents.
If stomach contents are aspirated into the lungs, it can cause a serious and potentially fatal condition called aspiration pneumonia.
It is important to note that aspiration can occur even if a woman has been fasting before surgery.
This is because the stomach never completely empties, and there is always some risk of reflux.
Choice C rationale:
Uterine relaxation is a potential side effect of some general anesthetic agents, but it is not a major risk in this scenario.
The anesthesiologist will choose an anesthetic agent that is less likely to cause uterine relaxation.
Additionally, they will closely monitor the patient's uterine tone and can administer medications to stimulate the uterus if necessary.
Choice D rationale:
Inadequate muscle relaxation is not a major risk of general anesthesia in this scenario.
The anesthesiologist will ensure that the patient's muscles are adequately relaxed to facilitate surgery.
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Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Effleurage is a gentle massage technique often used in labor to promote relaxation and reduce discomfort. It involves using light, stroking movements over the abdomen or back. While effleurage can be soothing for some women, it may not be as effective for specifically addressing the intense back pain associated with back labor. It is more focused on general relaxation than on targeted pain relief in the sacral region.
Choice B rationale:
Pant-blow (breaths and puffs) breathing techniques are commonly taught in childbirth classes as a way to manage labor pain. They involve using specific patterns of breathing to help control contractions and minimize discomfort. While these techniques can be helpful for some women, they may not be as effective for back labor pain as they are primarily focused on managing the sensations of contractions in the abdomen and uterus. They don't directly address the sacral pain that characterizes back labor.
Choice C rationale:
Counterpressure against the sacrum is a specific technique that can be very effective for relieving back labor pain. It involves applying firm, steady pressure to the lower back, specifically the sacral area, using the hands, a fist, or a tennis ball. This pressure can help to counteract the intense sensations of pain and pressure in the lower back, providing significant relief. The mechanism behind this relief is likely related to:
Gate-control theory: Counterpressure may stimulate other nerve pathways, which can block or reduce pain signals from reaching the brain.
Counteracting pressure: The pressure applied to the sacrum may help to counteract the internal pressure of the baby's head against the sacrum, which can be a major source of back labor pain.
Muscle relaxation: Firm pressure can help to relax tense muscles in the lower back, which can contribute to pain.
Choice D rationale:
Conscious relaxation or guided imagery are techniques that can promote overall relaxation and reduce anxiety during labor. They involve using mental exercises to focus the mind on calming images or sensations. While these techniques can be helpful for some women, they may not be as effective for specifically targeting back labor pain as they are more general relaxation methods that don't directly address the sacral pain.
Correct Answer is A
Explanation
Choice A rationale:
A positive contraction stress test (CST) indicates that the fetal heart rate decelerates late in response to uterine contractions, suggesting potential uteroplacental insufficiency. However, the scenario does not describe a CST being performed, as it does not mention any assessment of uterine contractions or their relationship to fetal heart rate changes.
Choice C rationale:
A negative contraction stress test (CST) would demonstrate no late decelerations in response to contractions, suggesting adequate placental function. However, as mentioned earlier, a CST is not the test being performed in this scenario.
Choice D rationale:
A non-reactive nonstress test (NST) means that there were not enough fetal heart rate accelerations (at least 2, each lasting at least 15 seconds and peaking at least 15 beats above baseline) within a 20-minute period. This finding sometimes warrants further evaluation of fetal well-being. However, the scenario clearly states that 3 accelerations meeting the criteria for reactivity were observed.
Choice B rationale:
A reactive nonstress test (NST) is considered reassuring and indicates that the fetal heart rate is responding appropriately to fetal movement, suggesting that the fetus is likely healthy and well-oxygenated. The presence of 3 accelerations meeting the criteria for reactivity within a 20-minute period is the hallmark of a reactive NST.
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