Nokea
The human lens:
- A. is innervated by the ophthalmic nerve
- B. has a uniform refractive index
- C. has a large radius of curvature anteriorly than posteriorly
- D. stops growing after birth
Correct Answer: C
Rationale: The human lens has a larger radius of curvature anteriorly than posteriorly, contributing to its optical properties. It is not innervated, does not have a uniform refractive index, and continues to grow throughout life.
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The son of your 80-year-old female patient expresses concern about the mother's cognitive mental status. You tell the patient a list of three items and have the patient repeat them to check initial understanding. By having the patient repeat the three items after 5 minutes pass, you are assessing what cognitive function?
- A. Judgment
- B. Attention
- C. Memory
- D. Abstract reasoning
Correct Answer: C
Rationale: Asking the patient to repeat items after a delay assesses short-term memory. Judgment, attention, and abstract reasoning are evaluated through different cognitive tests, such as problem-solving tasks or interpreting proverbs.
You are pulled from the ED to the neurologic floor. Which action should you delegate to the nursing assistant when providing nursing care for a patient with SCI?
- A. Assess patient's respiratory status every 4 hours.
- B. Take patient's vital signs and record every 4 hours.
- C. Monitor nutritional status including calorie counts.
- D. Have patient turn, cough, and deep breathe every 2 hours.
Correct Answer: B
Rationale: Taking and recording vital signs is a routine task suitable for delegation to a nursing assistant.
A treatment designed to aid production and comprehension of speech is known as group communication treatment. A study by Elman & Berstein-Ellis (1999) showed:
- A. No improvement in functional communication compared with patients not receiving structured treatment.
- B. Significantly more improvement in functional communication compared with patients not receiving structured treatment.
- C. Declined in functional communication compared with patients not receiving structured treatment.
- D. An improvement in non-targetted factors.
Correct Answer: B
Rationale: Group communication treatment is a therapeutic approach aimed at improving speech production and comprehension in individuals with language disorders, such as aphasia. A study by Elman and Berstein-Ellis (1999) demonstrated that this treatment led to significant improvements in functional communication compared to individuals who did not receive structured therapy. The group setting provides opportunities for social interaction and practice, enhancing the effectiveness of the treatment.
The nurse is providing post-procedure care for a patient recovering from a lumbar puncture. Which order should the nurse anticipate for this patient?
- A. Keep the patient NPO for 4 hours.
- B. Have the patient lie flat for 6 hours.
- C. Monitor the patient's pedal pulses every 4 hours.
- D. Keep the head of the bed elevated 30 degrees for 8 hours.
Correct Answer: B
Rationale: After a lumbar puncture, the patient should lie flat for 6 to 8 hours to prevent cerebrospinal fluid leakage and reduce the risk of a spinal headache. Monitoring pedal pulses or elevating the head of the bed is not necessary. Proper post-procedure care minimizes complications.
Which assessment finding may indicate a stroke?
- A. Sudden weakness on one side of the body, difficulty speaking, or confusion.
- B. Steady gait and normal muscle strength.
- C. Clear, intact sensation in all extremities.
- D. Symmetrical deep tendon reflexes.
Correct Answer: A
Rationale: Sudden weakness, difficulty speaking, or confusion are hallmark signs of a stroke. Steady gait, intact sensation, and symmetrical reflexes are normal findings.