NCLEX-RN
Exam Cram NCLEX RN Practice Questions
1. Which pathologic condition is described as 'increased intraocular pressure of the eye'?
- A. Detached Retina
- B. Fovea Centralis
- C. Presbyopia
- D. Glaucoma
Correct answer: D
Rationale: The correct answer is Glaucoma. Glaucoma is a condition characterized by increased intraocular pressure in the eye, which can lead to optic nerve damage, vision loss, and blindness if left untreated. Detached Retina (A), Fovea Centralis (B), and Presbyopia (C) are not conditions associated with increased intraocular pressure like Glaucoma. Detached Retina is a separation of the retina from its underlying tissue, Fovea Centralis is a part of the retina responsible for sharp central vision, and Presbyopia is an age-related condition affecting near vision due to the loss of flexibility in the eye's lens.
2. A child is diagnosed with Hirschsprung's disease. The nurse is teaching the parents about the cause of the disease. Which statement, if made by the parent, supports that teaching was successful?
- A. The absence of special cells in the rectum caused the disease.
- B. Incomplete digestion of the protein part of wheat, barley, rye, and oats is not the cause of the disease.
- C. The disease does not occur due to increased bowel motility leading to spasm and pain.
- D. The disease is not caused by the inability to tolerate sugar found in dairy products.
Correct answer: A
Rationale: Hirschsprung's disease, also known as congenital aganglionosis or megacolon, is characterized by the absence of ganglion cells in the rectum and, sometimes, extending into the colon. Choice A correctly explains the cause of Hirschsprung's disease. Choice B is incorrect as it describes celiac disease, which is related to gluten intolerance. Choice C is inaccurate as it describes symptoms of irritable bowel syndrome, not the cause of Hirschsprung's disease. Choice D is wrong as it pertains to lactose intolerance, not Hirschsprung's disease.
3. Which patient poses the least infection risk to an immunosuppressed patient who had a liver transplant?
- A. The patient with chronic pancreatitis
- B. The patient currently infected with a respiratory virus
- C. The patient with a healing leg wound
- D. The patient with a urinary tract infection
Correct answer: C
Rationale: The patient with a healing leg wound poses the least infection risk to an immunosuppressed patient who had a liver transplant. Chronic pancreatitis can lead to complications such as infections that can pose a risk to immunosuppressed individuals. Patients infected with respiratory viruses or urinary tract infections are actively infectious, which can put immunosuppressed patients at a higher risk of acquiring infections. Therefore, the patient with a healing leg wound is the least likely to pose an immediate infection risk.
4. Which of the following diseases is caused by the Bordetella pertussis bacterium?
- A. German Measles
- B. RSV
- C. Meningitis
- D. Whooping Cough
Correct answer: D
Rationale: Bordetella pertussis is the bacterium responsible for causing Whooping Cough, also known as pertussis. Meningitis can be caused by various bacteria, but not specifically by Bordetella pertussis. German Measles, also known as Rubella, and RSV (Respiratory Syncytial Virus) are viral infections and are not caused by the Bordetella pertussis bacterium. Therefore, the correct answer is Whooping Cough, caused by Bordetella pertussis.
5. The nurse analyzes the results of a patient's arterial blood gases (ABGs). Which finding would require immediate action?
- A. The bicarbonate level (HCO3) is 31 mEq/L
- B. The arterial oxygen saturation (SaO2) is 92%
- C. The partial pressure of CO2 in arterial blood (PaCO2) is 31 mm Hg
- D. The partial pressure of oxygen in arterial blood (PaO2) is 59 mm Hg
Correct answer: D
Rationale: While all the values are abnormal, the low PaO2 level of 59 mm Hg indicates that the patient is at a critical point on the oxyhemoglobin dissociation curve. At this level, a small decrease in PaO2 can lead to a significant drop in oxygen saturation and compromise tissue oxygenation. Therefore, immediate intervention is necessary to improve the patient's oxygenation status. Choice A (HCO3 of 31 mEq/L) may indicate metabolic alkalosis or compensation for respiratory acidosis; however, it does not require immediate action in this scenario. Choice B (SaO2 of 92%) is slightly low but not critically low to require immediate action. Choice C (PaCO2 of 31 mm Hg) is within the normal range and does not indicate immediate danger to the patient.
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