Nokea
Which process is defined as the movement of fluid and some dissolved substances through a semipermeable membrane according to pressure differences?
- A. Osmosis
- B. Diffusion
- C. Active Transport
- D. Filtration
Correct Answer: D
Rationale: Filtration involves the movement of fluid and solutes across a semipermeable membrane due to hydrostatic or osmotic pressure differences.
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Scheduling the administration of analgesics every __ hours often affords a uniform level of pain relief.
- A. Every 2 hours
- B. Every 3-4 hours
- C. Every 6 hours
- D. Every 7 hours
Correct Answer: B
Rationale: The rationale for this is that administering analgesics on a regular schedule (e.g., every 3-4 hours) helps maintain a steady level of medication in the bloodstream, providing consistent pain relief.
A client reports a headache and vertigo after turning on his furnace for the first time this season. The nurse should suspect which of the following conditions?
- A. Carbon monoxide poisoning
- B. Heat stroke
- C. Hypersensitivity reaction
- D. Oxygen toxicity
Correct Answer: A
Rationale: The correct answer is A: Carbon monoxide poisoning. When the furnace is turned on for the first time, it may release carbon monoxide, a colorless and odorless gas that can cause headaches and vertigo. Carbon monoxide binds to hemoglobin, reducing oxygen delivery to tissues, leading to symptoms. Heat stroke (B) is caused by prolonged exposure to high temperatures. Hypersensitivity reactions (C) involve the immune system's response to an allergen. Oxygen toxicity (D) occurs with prolonged exposure to high levels of oxygen.
A patient has come to the health clinic with diarrhea of 3 days’ duration. He says the stools occur five or six times per day and are very watery. Every time he eats or drinks something, he has an urgent diarrhea stool. He denies being out of the country but did attend a large family reunion held at a campground in the mountains about a week ago.
- A. Timing
- B. Quality
- C. Severity
- D. Palliative
Correct Answer: C
Rationale: The correct answers are 'Timing,' 'Quality,' 'Severity,' and 'Precipitating.' These aspects help clarify the nature and cause of the diarrhea.
Which team is the most appropriate for this assignment?
- A. An advanced practice nurse and an experienced LPN/LVN
- B. An experienced LPN/LVN and an inexperienced RN
- C. An experienced RN and an inexperienced RN
- D. An experienced RN and a nursing assistant
Correct Answer: A
Rationale: An advanced practice nurse has the expertise to assess and manage complex cases, while an experienced LPN/LVN can assist with triage tasks.
Lucinda is a 27-year-old woman with a history of asthma who is scheduled for an appendectomy later today. Due to her asthma, her preoperative teaching would include the need for postoperative:
- A. coughing and deep breathing exercises.
- B. leg exercises.
- C. wound dressing changes.
- D. all of the above.
Correct Answer: A
Rationale: Patients with asthma are at higher risk for respiratory complications postoperatively. Coughing and deep breathing exercises help prevent atelectasis and pneumonia, making them essential for this patient.