Nokea
Prior to the patient being given medication, he becomes hypotensive, mottled, and cold. His heart rate is 240. The next therapeutic step should be
- A. digoxin
- B. synchronized DC cardioversion
- C. lidocaine
- D. defibrillation
Correct Answer: B
Rationale: Synchronized DC cardioversion is indicated for unstable tachycardia unresponsive to pharmacological agents.
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Blueberry muffin' lesions seen in rubella is due to
- A. Dermal erythropoiesis
- B. Thrombocytopenia
- C. Ecchymosis
- D. Vasculitis
Correct Answer: A
Rationale: Blueberry muffin' lesions in congenital rubella are due to dermal erythropoiesis, where extramedullary hematopoiesis occurs in the skin.
A male client with diabetes mellitus (DM) is transferred from the hospital to a rehabilitation facility following treatment for a stroke with resulting right hemiplegia. He tells the nurse that his feet are always uncomfortably cool at night, preventing him from falling asleep. Which action should the nurse implement.
- A. Provide a warming pad (Aqua-pad or K-pad) to feet
- B. Medicate the client with a prescribed sedative
- C. Use a bed cradle to hold the covers off the feet
- D. Place warm blankets next to the client's feet
Correct Answer: D
Rationale: Warm blankets can help improve circulation and provide comfort without the risk of burns associated with heating pads.
Proteins found in muscle fibers include:
- A. Vimentin
- B. Saccharin
- C. Keratin
- D. Desmin
Correct Answer: D
Rationale: Desmin: Desmin is an intermediate filament protein found in muscle cells, providing structural support and maintaining the integrity of muscle fibers.
The following are causes of congestive heart failure and cardiomegaly during the newborn period but no murmur EXCEPT
- A. endocardial fibroelastosis
- B. asphyxia
- C. glycogen storage disease (Pompe disease)
- D. sepsis
Correct Answer: D
Rationale: Sepsis can cause heart failure and cardiomegaly but often presents with other systemic signs.
The following are true of umbilical hernia:
- A. It is more common in Caucasian than Blacks
- B. It is commonly associated with hypothyroidism
- C. It must be operated on by two years of age
- D. It becomes obstructed in 2% of cases
Correct Answer: D
Rationale: Umbilical hernias can become obstructed in about 2% of cases. They are more common in Blacks and are not typically associated with hypothyroidism.