The nurse is reviewing in age-related changes in the eye for a class. Which of these physiologic changes is responsible for presbyopia?
Decreased adaptation to darkness
Loss of lens elasticity
Decreased distance vision abilities
Degeneration of the cornea
The Correct Answer is B
A. Decreased adaptation to darkness: This change is related to decreased rod function but is not responsible for presbyopia.
B. Loss of lens elasticity: Correct. Presbyopia is caused by the age-related loss of elasticity in the lens, which reduces the ability to focus on near objects.
C. Decreased distance vision abilities: This may occur with other conditions like myopia but does not cause presbyopia.
D. Degeneration of the cornea: This can affect vision but is not responsible for presbyopia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","D","E"]
Explanation
A. Murphy sign: This is used to assess for gallbladder inflammation, not appendicitis.
B. Shifting dullness: This is used to detect ascites, not appendicitis.
C. Obturator test: This test involves flexing the patient's right hip and knee and rotating the leg internally, causing pain if the appendix is inflamed.
D. Blumberg sign: This test for rebound tenderness indicates peritoneal irritation, commonly associated with appendicitis.
E. Iliopsoas muscle test: This test involves extending the right leg against resistance, which can elicit pain in cases of appendicitis.
F. Fluid wave: This is used to assess for ascites, not appendicitis.
Correct Answer is {"A":{"answers":"D"},"B":{"answers":"A"},"C":{"answers":"C"},"D":{"answers":"B"}}
Explanation
Assessment Technique |
1 |
2 |
3 |
4 |
Percussion |
✅ |
|||
Inspection |
✅ |
|||
Palpation |
✅ |
|||
Auscultation |
✅ |
Rationale:
Begin with inspection to visually assess the abdomen for abnormalities. Auscultate before palpation and percussion to avoid altering bowel sounds. Determine areas of pain to avoid causing discomfort during palpation and percussion. Palpate to assess for tenderness or masses. Percuss last to evaluate organ size and detect abnormal fluid or gas.
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