Nokea
During a well-child checkup for an infant with tetralogy of Fallot (TOF), the child develops severe respiratory distress and becomes cyanotic. The nurse's first action should be to:
- A. Lay the child flat to promote hemostasis
- B. Lay the child flat with legs elevated to increase blood flow to the heart
- C. Sit the child on the parent's lap, with legs dangling, to promote venous pooling
- D. Hold the child in knee-chest position to decrease venous blood return
Correct Answer: D
Rationale: The knee-chest position increases systemic vascular resistance (SVR), which increases blood flow to the pulmonary artery.
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Recognised features in Ehlers-Danlos syndrome include:
- A. Mutation in fibrillin gene
- B. Short stature
- C. Keratoconus
- D. Easy scarring
Correct Answer: D
Rationale: Easy scarring: Ehlers-Danlos syndrome is characterized by hyperelastic skin and joint hypermobility, with easy scarring and tissue fragility being common features.
Following are correctly matched
- A. Tuberous sclerosis-Cardiac rhabdomyoma
- B. WPW syndrome-SVT
- C. Maternal SLE-Irreversible complete heart block
- D. Parvo B19-Roseola infectiosum
Correct Answer: A
Rationale: Tuberous sclerosis is associated with cardiac rhabdomyomas.
Spread of hepatitis C occurs by:
- A. Drug abuse
- B. Seafood consumption
- C. Recombinant factor VIII therapy
- D. Faeco-oral spread
Correct Answer: A
Rationale: Hepatitis C is primarily spread through blood-to-blood contact, such as sharing needles or other equipment to inject drugs.
Ice applied to the face has been ineffective in the patient. The treatment of choice is
- A. adenosine
- B. verapamil
- C. digoxin
- D. lidocaine
Correct Answer: A
Rationale: Adenosine is the first-line treatment for supraventricular tachycardia.
What is accurate about the characteristics of high-density lipoproteins (HDLs)?
- A. They have high amounts of triglycerides.
- B. They have only small amounts of protein.
- C. They have little cholesterol.
- D. They aid in steroid production.
Correct Answer: C
Rationale: HDLs have low amounts of triglycerides, large amounts of proteins, low amounts of cholesterol, and are excreted via the liver. They have no role in the production of steroids.