Nokea
The healthcare provider prescribes an IV solution of regular insulin (Hummulin-R) 100 units in 250 ml of 0.45% saline to infuse at 12 units/hour. The nurse should program the infusion pump to deliver how many ml/hour?
- A. 30
- B. 3
- C. 40
- D. 15
Correct Answer: A
Rationale: To calculate the infusion rate in ml/hour, the nurse needs to divide the prescribed units per hour by the concentration of insulin. 12 units/hour ÷ (100 units/250 ml) = 30 ml/hour.
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Features of severe haemophilia A include:
- A. Retroperitoneal bleed
- B. Chronic arthropathy
- C. Prolonged bleeding time
- D. Increased APTT
Correct Answer: D
Rationale: Increased activated partial thromboplastin time (APTT) is a characteristic feature of haemophilia A due to the deficiency of clotting factor VIII.
While preparing to discharge an 8-month-old infant who is recovering from gastroenteritis and dehydration, the nurse teaches the parents about their infant’s dietary and fluid requirements. The nurse should include which other topic in the teaching session?
- A. Nursery schools
- B. Toilet Training
- C. Safety guidelines
- D. Preparation for surgery
Correct Answer: C
Rationale: Safety guidelines are crucial for an 8-month-old infant who is becoming more mobile and curious, reducing the risk of accidents.
The nurse is preparing a client for discharge who was recently diagnosed with Addison's disease. Which instruction is most important for the nurse to include in the client's discharge teaching plan?
- A. Use a walker when weakness occurs
- B. Avoid extreme environmental temperatures
- C. Increase daily intake of sodium in diet
- D. Take prescribed cortisone accurately
Correct Answer: D
Rationale: Taking prescribed cortisone accurately is crucial for managing Addison's disease and preventing an adrenal crisis.
Regarding hand innervation:
- A. Median nerve supplies all thenar muscles except adductor pollicis
- B. The sensory supply to the dorsal surface of the medial two digits is via the radial nerve
- C. In ulnar nerve damage at the elbow there is sensory loss over the medial aspect of forearm proximal to the wrist
- D. Radial nerve provides the sensory innervation to the terminal areas of the dorsal surfaces of the lateral three digits
Correct Answer: A
Rationale: The median nerve innervates most thenar muscles, except for the adductor pollicis, which is supplied by the ulnar nerve.
Features of congenital rubella syndrome include:
- A. Intrauterine growth retardation
- B. Hepatomegaly
- C. Thrombocytopenia
- D. Polydactyly
Correct Answer: A
Rationale: Intrauterine growth retardation is a classic feature of congenital rubella syndrome due to the teratogenic effects of the virus.