Nokea
An infant who has been in foster care since birth requires a blood transfusion. Who is authorized to give written, informed consent for the procedure?
- A. The foster mother
- B. The social worker who placed the infant in the foster home
- C. The registered nurse caring for the infant
- D. The nurse-manager
Correct Answer: A
Rationale: The foster mother, as the primary caregiver, is typically authorized to provide consent for medical procedures.
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Injury to radial nerve involves:
- A. Abductor pollicis brevis is affected
- B. Abduction at the shoulder joint is impaired
- C. Sensory loss on the medial aspect of forearm is seen
- D. First dorsal interosseus is affected
Correct Answer: B
Rationale: Abduction at the shoulder joint is impaired
Which is the most common causative agent of bacterial endocarditis?
- A. Staphylococcus albus
- B. Streptococcus hemolyticus
- C. Staphylococcus albicans
- D. Streptococcus viridans
Correct Answer: D
Rationale: S. viridans is the most common causative agent in bacterial (infective) endocarditis.
Dome and dart P wave in lead V1 in electrocardiogram is suggestive of which of the following?
- A. Dextrocardia
- B. Left atrial ectopic rhythm
- C. Biatrial enlargement
- D. Mitral stenosis
Correct Answer: C
Rationale: The dome and dart P wave morphology is characteristic of biatrial enlargement, often seen in conditions like mitral stenosis and atrial fibrillation.
Mechanisms of dyspnea in left heart disease include all, except
- A. PVH and decreased lung compliance
- B. Respiratory muscle fatigue
- C. Elevated LV End diastolic pressure leads to decreased antegrade coronary blood flow
- D. Reverse 'Bernheim' effect
Correct Answer: C
Rationale: Elevated LV end-diastolic pressure does not typically lead to decreased antegrade coronary blood flow.
Three days after a female client with multiple sclerosis (MS) is admitted to the hospital with a severe urinary tract infection, she reports experiencing double vision. Which intervention should the nurse implement?
- A. Patch one eye and then the other every few hours
- B. Encourage bedrest until the diplopia is resolved
- C. Instruct the client to limit intake of oral fluids
- D. Administer artificial tear drops to both eyes
Correct Answer: A
Rationale: Patching each eye helps alleviate double vision caused by MS-related vision impairment.