Correct Answer: D

Rationale: For a responsive 4-year-old child with a mild airway obstruction, respiratory distress, a strong cough, and normal skin color, the appropriate treatment includes providing supplemental oxygen and arranging for transport to a healthcare facility. Oxygen helps alleviate the respiratory distress, and transport ensures the child receives further evaluation and care by healthcare professionals. Back slaps and subdiaphragmatic thrusts are not recommended for a child with a mild airway obstruction and normal skin color, as these interventions are typically reserved for more severe cases of airway obstruction.

Correct Answer: D

Rationale: The symptoms of swollen ankles, tight rings, and elevated blood pressure in a pregnant woman at 22 weeks gestation are concerning for preeclampsia. Preeclampsia is characterized by high blood pressure and signs of organ damage, commonly seen with symptoms such as swelling (edema) and protein in the urine. It is crucial to monitor and manage preeclampsia promptly as it can lead to severe complications for both the mother and the baby.

Correct Answer: D

Rationale: A sudden onset of respiratory distress in a child without fever is most likely due to a foreign body airway obstruction. This obstruction can rapidly lead to difficulty breathing, stridor, and other signs of respiratory distress without necessarily causing a fever. Prompt recognition and intervention are crucial in such cases to prevent further complications and ensure the child's airway remains clear.

Correct Answer: C

Rationale: Placing sterile dressings into the vagina is not an appropriate treatment for severe vaginal bleeding. The correct approach involves applying pressure to the external vaginal area to control bleeding, covering the vagina with a trauma dressing to help with compression, administering high concentrations of oxygen to support oxygenation, and keeping the patient warm with blankets to prevent hypothermia. Placing sterile dressings into the vagina can introduce foreign material, increase the risk of infection, and obstruct proper wound management, making it an incorrect treatment option in this scenario.

Correct Answer: B

Rationale: In cases of drowning, it is crucial to assess for a carotid pulse for no more than 10 seconds to determine if chest compressions are needed. This quick assessment helps determine the next steps in providing appropriate care to the patient. Performing chest compressions without confirming the need may not be beneficial and could potentially harm the patient if unnecessary.