Nokea
Which of the following statement best describe a health belief model?
- A. Explains why people get sick
- B. Explains health behavior based on belief
- C. Focuses on disease treatment
- D. Based on medical diagnosis
Correct Answer: B
Rationale: Health belief model explains health behavior via beliefs (B), per theory e.g., perceived risk drives action. Sickness (A) and treatment (C) aren't focus, diagnosis (D) medical. B best defines HBM's psychological basis, making it correct.
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The nurse is providing care for a client with a chest tube. If the chest tube becomes disconnected from the drainage system, the nurse should:
- A. Secure the chest tube with tape and notify the physician
- B. Clamp the chest tube near the insertion site
- C. Submerge the end of the tube in sterile water
- D. Insert the tube into the drainage system without cleansing
Correct Answer: C
Rationale: Submerging the chest tube end in sterile water creates a water seal, preventing pneumothorax if disconnected taping delays, clamping risks tension pneumothorax, and reinserting uncleaned spreads infection. Nurses act quickly, ensuring lung re-expansion, critical in chest tube care.
Among the following statements, which should be given the HIGHEST priority?
- A. Client is in extreme pain
- B. Client's blood pressure is 60/40
- C. Client's temperature is 40 deg. Centigrade
- D. Client is cyanotic
Correct Answer: B
Rationale: BP 60/40 (B) is highest priority; severe hypotension threatens perfusion, per ABCs (circulation). Pain (A), fever (C), and cyanosis (D) are urgent but secondary to life-threatening shock. B demands immediate action, making it correct.
The physician has prescribed Cognex (tacrine) for a client with dementia. The nurse should monitor the client for adverse reactions, which include:
- A. Increased appetite
- B. Elevated liver enzymes
- C. Hypotension
- D. Improved short-term memory
Correct Answer: B
Rationale: Elevated liver enzymes are a key adverse reaction to Cognex, requiring monitoring in dementia appetite, BP, and memory aren't primary concerns. Nurses check LFTs, ensuring safety, critical for managing Alzheimer's medication risks.
A client with iron-deficiency anemia is being taught about dietary management. Which of the following statements by the client indicates an understanding of the teaching?
- A. I should increase my intake of foods high in iron.
- B. I should decrease my intake of foods high in iron.
- C. I should increase my intake of foods high in calcium.
- D. I should decrease my intake of foods high in calcium.
Correct Answer: A
Rationale: The correct answer is A: 'I should increase my intake of foods high in iron.' Iron-deficiency anemia is managed by increasing the consumption of iron-rich foods to improve iron levels in the body. Foods high in iron include red meat, poultry, fish, beans, lentils, and iron-fortified cereals. Choices B, C, and D are incorrect because decreasing intake of iron-rich foods or increasing intake of calcium-rich foods would not address the deficiency in iron levels that characterizes iron-deficiency anemia.
Which of the tractions is used to treat fractures of the humerus?
- A. Bryant's traction
- B. Overhead suspension traction
- C. Thomas splint traction
- D. 90-90 traction
Correct Answer: B
Rationale: Humerus fractures require specific traction. Bryant's traction (choice A) treats femoral fractures in children. Overhead suspension traction (choice B) stabilizes humeral fractures, aligning via arm suspension. Thomas splint (choice C) is for femur fractures. 90-90 traction (choice D) suits femoral shaft issues. B is correct, standard for humerus. Nurses apply it, check alignment, and prevent skin breakdown, aiding healing.