Nokea
The nurse is caring for a client who is one hour post cardiac catheterization. What task should the nurse delegate to a licensed practical/vocational nurse (LPN/VN)?
- A. Teach the patient about the post procedure plan of care.
- B. Perform the initial assessment of the catheter insertion site.
- C. Give the scheduled lipid-lowering medication.
- D. Titrate the diltiazem infusion according to the agency protocol.
Correct Answer: C
Rationale: The correct answer is C: Give the scheduled lipid-lowering medication. LPN/VNs can administer medications, including lipid-lowering drugs, under the supervision of a registered nurse. Teaching (choice A) requires a higher level of critical thinking and education, which is typically done by an RN. Performing an initial assessment (choice B) requires advanced assessment skills that an LPN/VN may not have. Titration of medications (choice D) involves adjusting dosages based on specific parameters, which is beyond the scope of practice for an LPN/VN.
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Diaphragm present in mammals is
- A. Membrane between external and middle ear
- B. Membrane around the brain
- C. Partition between the thoracic and abdominal cavities
- D. Membrane around lungs
Correct Answer: C
Rationale: The diaphragm in mammals is a muscular structure that separates the thoracic and abdominal cavities. This is essential for breathing as it contracts and relaxes to facilitate the movement of air into and out of the lungs. Therefore, the correct answer is C.
Choice A is incorrect because the membrane between the external and middle ear is called the eardrum or tympanic membrane. Choice B is incorrect as the membrane around the brain is the meninges. Choice D is incorrect as the membrane around the lungs is the pleura.
Hemoglobin
- A. tends to release oxygen under warmer temperatures
- B. picks up more oxygen the higher its partial pressure.
- C. picks up more oxygen when it is saturated
- D. will give up oxygen when the partial pressure of oxygen is higher than it is in the lungs.
Correct Answer: B
Rationale: The correct answer is B because hemoglobin follows the principle of partial pressure, which states that gases move from areas of higher partial pressure to lower partial pressure. Therefore, hemoglobin will pick up more oxygen when the partial pressure of oxygen is higher, such as in the lungs. Choice A is incorrect because hemoglobin actually releases oxygen at higher temperatures. Choice C is incorrect because hemoglobin picks up oxygen when it is not fully saturated. Choice D is incorrect because hemoglobin releases oxygen when the partial pressure of oxygen is higher, not when it is lower.
A client with bronchitis is admitted to the hospital. What would the nurse expect the admitting assessment NOT to reveal?
- A. Cough
- B. Bloody sputum
- C. Chest pain
- D. Bradycardia
Correct Answer: D
Rationale: The correct answer is D: Bradycardia. In bronchitis, the body typically responds to inflammation by increasing heart rate (tachycardia) to improve oxygen delivery. Bradycardia is not a common finding in bronchitis and would be unexpected. Choices A, B, and C are commonly associated with bronchitis due to the inflammation in the airways causing cough, production of bloody sputum, and chest pain. These symptoms are typical manifestations of bronchitis and would be expected in the admitting assessment.
A nurse working in a geriatric clinic sees clients with "cold" symptoms and rhinitis. The primary health care provider (PHCP) often leaves a prescription for diphenhydramine. What action by the nurse is best?
- A. Teach the client about possible drowsiness.
- B. Instruct the client to drink plenty of water.
- C. Consult with the PHCP about the medication.
- D. Encourage the client to take the medication with food.
Correct Answer: C
Rationale: The correct answer is C: Consult with the PHCP about the medication. This is the best action because diphenhydramine may not be the most appropriate medication for older adults due to potential side effects like increased risk of falls, confusion, and urinary retention. Consulting with the PHCP will ensure that the medication is safe and effective for the client.
A: Teaching about drowsiness is important but not the priority.
B: Drinking water is generally good advice but not specific to diphenhydramine.
D: Taking medication with food can help reduce stomach upset but doesn't address the concerns related to diphenhydramine in older adults.
Residual volume in lungs of an average human is
- A. 500 ml
- B. 3-4.5 ml
- C. 1000 ml
- D. 1500 ml
Correct Answer: D
Rationale: The correct answer is D (1500 ml) because residual volume refers to the amount of air left in the lungs after maximal exhalation, which is around 1200-1500 ml in an average human. This volume is necessary to keep the alveoli inflated and prevent lung collapse. Choices A (500 ml), B (3-4.5 ml), and C (1000 ml) are incorrect because they do not accurately represent the typical residual volume in the lungs of an average human. Choice A is too low, choices B and C are significantly below the actual range of residual volume.