Which statement best describes emmetropia?
- A. Difficulty with near vision
- B. Difficulty with far vision
- C. Visual distortion caused by an irregularly shaped cornea
- D. Normal vision
Correct Answer: D
Rationale: Emmetropia refers to normal vision where light focuses correctly on the retina without refractive error.
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For each of the nursing diagnoses listed, identify at least two normal expected physiologic changes related to aging that could be etiologic factors of the diagnosis.
- A. Imbalanced nutrition: less than body requirements
- B. Activity intolerance
- C. Risk for injury
- D. Urge urinary incontinence
Correct Answer: A
Rationale: Aging-related changes include decreased appetite, reduced muscle mass, impaired balance, and increased bladder sensitivity—all contributing to various nursing diagnoses.
In which direction does the nurse hold the syringe when irrigating the ear to remove wax?
- A. Toward the roof of the canal
- B. Toward the eardrum
- C. Toward the nasal cavity
- D. Toward the helix
Correct Answer: A
Rationale: Directing the stream toward the roof of the canal helps dislodge wax without damaging the eardrum.
Patients with pernicious anemia are treated with
- A. Oral iron.
- B. Oral folic acid.
- C. Parenteral vitamin B12.
- D. Oral prednisone.
Correct Answer: C
Rationale: Vitamin B12 deficiency in pernicious anemia requires parenteral administration.
What is a long and healthy life dependent upon?
- A. A diet high in animal fat, cholesterol, and calories
- B. Early retirement from work
- C. Vigorous physical activity once a week
- D. Interest in life
Correct Answer: D
Rationale: Interest in life contributes positively to mental health and overall well-being, which are key components of a long and healthy life.
How would the nurse describe the techniques used in energy medicine?
- A. Energy medicine involves manipulating energy fields through touch or intention.
- B. Energy medicine focuses on herbal supplements and probiotics.
- C. Energy medicine relies on mechanical devices for healing.
- D. Energy medicine is synonymous with allopathic medicine.
Correct Answer: A
Rationale: Energy medicine encompasses techniques like Reiki and acupuncture, targeting energy fields for healing purposes.