Nokea
The severity of symptoms of Ebstein anomaly and the degree of cyanosis are high and depend on the extent of
- A. displacement of the tricuspid valve
- B. cardiac dysrhythmias
- C. atrial right-to-left shunt
- D. pulmonary vascular resistance
Correct Answer: A
Rationale: Displacement of the tricuspid valve is a key determinant of symptom severity in Ebstein anomaly.
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The nurse is completing the preoperative assessment of a client who is scheduled for a laparoscopic cholecystectomy under general anesthesia. Which finding warrants notification of the healthcare provider prior to proceeding with the scheduled procedure?
- A. Light yellow coloring of the client's skin and eyes
- B. The client's blood pressure reading is 184/88 mm Hg.
- C. The client vomits 20 ml of clear yellowish fluid
- D. The IV insertion site is red, swollen, and leaking IV fluid
Correct Answer: B
Rationale: High blood pressure increases the risk of complications during surgery and needs to be addressed before proceeding.
Water excretion:
- A. Is influenced by the proximal tubule
- B. Is influenced by vasopressin
- C. Depends on erythropoietin
- D. Is influenced by the ascending limb of the loop of Henle
Correct Answer: B
Rationale: Is influenced by vasopressin
A female client who was involved in a motor vehicle collision is admitted with a fractured left femur which is immobilized using a fracture traction splint in preparation for an open reduction internal fixation (ORIF). The nurse determines that her distal pulses are diminished in the left foot. Which interventions should the nurse implement? (Select all that apply.)
- A. Offer ice chips and oral clear liquids
- B. Verify pedal pulses using a doppler pulse device
- C. Monitor left leg for pain, pallor, paresthesia, paralysis, pressure
- D. Evaluate the application of the splint to the left leg
Correct Answer: B
Rationale: These interventions assess and address potential vascular compromise, which is critical in a client with a fractured femur.
The following are true statements:
- A. Tissue plasminogen activator is derived from endothelium
- B. Heparin acts through antithrombin III
- C. Protein C deficiency is autosomal recessive transmitted
- D. Protein C is vitamin K dependent
Correct Answer: B
Rationale: Heparin acts through antithrombin III: Heparin enhances the activity of antithrombin III, which inhibits thrombin and other clotting factors, helping prevent clot formation.
A heart transplant may be indicated for a child with severe heart failure and:
- A. Patent ductus arteriosus (PDA)
- B. Ventricular septal defect (VSD)
- C. Hypoplastic left heart syndrome
- D. Pulmonic stenosis (PS)
Correct Answer: C
Rationale: Hypoplastic left heart syndrome is treated by procedures such as the Norwood procedure or heart transplant.