In a cyanotic spell of TOF
- A. Systemic vascular resistance is reduced
- B. Murmur disappear
- C. PO2 is reduced
- D. Right to Left shunt is Increased
Correct Answer: D
Rationale: During a cyanotic spell in Tetralogy of Fallot, there is an increased right-to-left shunting through the ventricular septal defect.
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What are FOUR possible causes of left axis deviation in a newborn with features of Trisomy 21?
- A. AVSD
- B. Tricuspid atresia
- C. Pulmonary atresia with intact ventricular septum
- D. Mechanical shift
Correct Answer: A
Rationale: AVSD is a common congenital heart defect associated with Trisomy 21 and can lead to left axis deviation seen on ECG.
A client with carcinoma of the lung is complaining of weakness and has a serum sodium level of 117 mEq/L. Which nursing problem should the nurse include in this client's plan of care?
- A. Altered urinary elimination
- B. Impaired gas exchange
- C. Fluid volume excess
- D. Decreased cardiac output
Correct Answer: C
Rationale: Hyponatremia (low sodium level) is often associated with fluid volume excess in clients with lung carcinoma.
Which vaccines must be delayed for 11 months after the administration of gamma globulin? (Select all that apply.)
- A. Diphtheria, tetanus, and pertussis
- B. Hepatitis B
- C. Inactivated polio virus
- D. Measles, mumps, and rubella
Correct Answer: D
Rationale: Live virus vaccines (MMR and Varicella) should be delayed for 11 months after gamma globulin infusion because the passive antibodies can interfere with vaccine efficacy.
Regarding cough receptors:
- A. There is increased sensitivity in viral infections
- B. ~2-agonists decrease the sensitivity of cough receptors
- C. Exercise can stimulate the cough receptors in asthmatics
- D. They are predominantly seen in the large airways
Correct Answer: A
Rationale: Cough receptor sensitivity increases during viral infections, leading to heightened cough reflex.
Displacement of apex to anterior axillary line
- A. TOF
- B. Truncus arteriosus
- C. Hypoplastic left heart syndrome
- D. TAPVD
Correct Answer: B
Rationale: Truncus arteriosus typically shows displacement of the apex to the anterior axillary line.
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