Nokea
As the community health nurse, you meet with Mrs. Rollo 1 week after discharge. She complains to you of increasing joint pain and stiffness despite adherence to the discharge plan for medication therapy and heat treatments. Which of the following aspects would you initially want to evaluate?
- A. Diet
- B. Balance between exercise and rest
- C. Use of fad diet or appliances
- D. Feelings of self-worth and self-concept
Correct Answer: B
Rationale: Imbalance between exercise and rest can exacerbate joint pain and stiffness.
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The action potential pattern that appears on the oscilloscope screen is caused by rapid ________.
- A. polarity changes
- B. pH changes
- C. breakdown of the membrane structure
- D. all of the above
Correct Answer: A
Rationale: The action potential pattern observed on an oscilloscope is caused by rapid changes in membrane polarity. During an action potential, the membrane potential depolarizes (becomes more positive) as sodium ions rush into the neuron, followed by repolarization (returning to negative) as potassium ions exit. These polarity changes are essential for the propagation of nerve impulses and are a hallmark of neural activity.
In the 2000 film 'Memento' the lead character, Leonard is unable to form new memories as a result of an earlier head injury caused by an assailant. This is known as:
- A. Retrograde memory dysfunction
- B. Postevent memory dysfunction
- C. Anterograde memory dysfunction
- D. Antenatal memory dysfunction
Correct Answer: C
Rationale: Anterograde memory dysfunction is characterized by the inability to form new memories after a traumatic event or injury, as depicted in the film 'Memento.' This condition is often linked to damage in the hippocampus or surrounding medial temporal lobe structures, which are essential for encoding and storing new information. Individuals with this dysfunction can recall past memories but struggle to create new ones, leading to significant challenges in daily functioning.
Nurse Parker is overseeing the care of a patient with Parkinson's disease who has been consistently taking carbidopa/levodopa (Sinemet) for a year. She is attentively monitoring for any potential adverse reactions associated with this specific medication. Which adverse reaction should Nurse Parker be particularly vigilant about in monitoring this patient?
- A. The occurrence of dyskinesia.
- B. The emergence of respiratory depression.
- C. The onset of glaucoma.
- D. The development of a rash or other signs of an allergic reaction.
Correct Answer: A
Rationale: Dyskinesia, or involuntary movements, is a common adverse reaction to long-term levodopa therapy in PD patients.
A 40 year old man suffered a whiplash injury to his neck and now complains of pain along the lateral aspect of his left forearm, and there is weakness of his left biceps. What is the most likely cause of his symptoms?
- A. Prolapsed 4th cervical disc impinging on C4 root
- B. Prolapsed 4th cervical disc impinging on C5 root
- C. Prolapsed 5th cervical disc impinging on C6 root
- D. Prolapsed 6th cervical disc impinging on C6 root
Correct Answer: C
Rationale: A prolapsed C5-C6 disc impinging on the C6 root can cause pain in the lateral forearm and weakness in the biceps, which is innervated by the C6 nerve root.
Testosterone is to ________ as estrogen is to ________.
- A. thyroid, parathyroid
- B. testes, ovaries
- C. sympathetic, parasympathetic
- D. pancreas, pituitary
Correct Answer: B
Rationale: Testosterone is primarily produced by the testes in males, while estrogen is primarily produced by the ovaries in females. Both hormones play crucial roles in reproductive development and function. Testosterone is associated with male secondary sexual characteristics, such as muscle mass and facial hair, while estrogen regulates the menstrual cycle and female secondary sexual characteristics. These hormones also have broader effects on mood, bone density, and overall health.