The child is a 2-year-old who fell into a pool. He was retrieved from the pool by a family member but was not breathing. The family member started CPR, and the ambulance brought him to the hospital.
What factors are important in determining the level of hypoxemia that the child may have experienced during the submersion?
Select all that apply.
Temperature of water
The weight of the child
Oxygen concentration of the ambient air
Whether or not anyone witnessed the fall into the pool
The amount of time the child was submerged
Correct Answer : A,E
The level of hypoxemia that the child may have experienced during the submersion depends on several factors, but the most important ones are:
- The **temperature of water**: Cold water can induce a diving reflex, which lowers the heart rate and oxygen consumption, and may protect the brain from hypoxic injury¹². Cold water can also cause laryngospasm, which prevents water aspiration but also impairs gas exchange.
- The **amount of time the child was submerged**: The longer the submersion, the more severe the hypoxemia and the higher the risk of brain damage and death. The survival rate decreases significantly after 5 minutes of submersion³.
The other factors are less relevant or not directly related to the level of hypoxemia:
- The **weight of the child**: This may affect the buoyancy and the ability to float or swim, but not the oxygen consumption or gas exchange during submersion¹.
- The **oxygen concentration of the ambient air**: This may affect the pre-submersion oxygen saturation, but not the rate of oxygen depletion or gas exchange during submersion¹.
- The **witnessing of the fall into the pool**: This may affect the time to rescue and resuscitation, but not the level of hypoxemia during submersion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
it provides reality orientation and helps the client cope with the change in environment. The client may be experiencing acute confusion or delirium due to stress, medication, infection, or other factors. The PN should remind the client of the date, time, and place frequently and use other strategies such as calendars, clocks, and familiar objects to reduce confusion.
Correct Answer is D
Explanation
Log-rolling is a technique of moving a client as a unit without twisting or bending the spine, which is used for clients with spinal injuries or surgeries. After log-rolling a client to a lateral position, the PN should place pillows to maintain alignment and prevent pressure ulcers or nerve damage. The pillows should be placed under the head, neck, upper arm, chest, abdomen, pelvis, and lower leg.
The other options are not correct because:
A. Raising the head of the bed 30 degrees is not necessary or appropriate after log-rolling a client to a lateral position, as it can cause shearing forces or compromise the spinal stability. The head of the bed should be kept flat or slightly elevated during log rolling.
B. Measuring blood pressure and pulse rate is not the immediate intervention after log-rolling a client to a lateral position, as it does not ensure the comfort or safety of the client. The PN should monitor the vital signs before and after log-rolling, but not during or immediately after.
C. Flexing legs and placing a blanket between legs is not the immediate intervention after log-rolling a client to a lateral position, as it does not support the spine or prevent pressure ulcers or nerve damage. The PN should keep the legs straight and aligned with the body during log-rolling, and place a pillow under the lower leg after log-rolling.
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