NCLEX-RN
NCLEX RN Exam Preview Answers
1. What is the most important step that healthcare personnel can take to prevent the transmission of microorganisms in the hospital setting?
- A. Wear protective eyewear at all times.
- B. Wear gloves whenever in direct contact with patients.
- C. Wash hands before and after contact with each patient.
- D. Clean the stethoscope with an alcohol swab between patients.
Correct answer: C
Rationale: The most crucial step in preventing the transmission of microorganisms in the hospital setting is proper hand hygiene. Healthcare personnel should wash their hands thoroughly before and after each patient contact to reduce the risk of spreading infections. While cleaning the stethoscope with an alcohol swab between patients is recommended, it is secondary to hand hygiene. Wearing protective eyewear at all times is not necessary for routine patient care unless specifically indicated, and wearing gloves only when in direct contact with patients is important but not as critical as proper handwashing. Therefore, the correct answer is to wash hands before and after contact with each patient.
2. Which of the following is one of the three smallest bones in the body?
- A. Vomer
- B. Distal phalanx of the small toe
- C. Stapes
- D. Coccyx
Correct answer: C
Rationale: The stapes, along with the malleus and incus, are the three smallest bones in the human body. These bones are located in the inner ear and play a crucial role in hearing. The vomer is a bone in the nasal cavity and is not one of the smallest bones. The distal phalanx of the small toe is relatively larger and not among the smallest bones. The coccyx, also known as the tailbone, is not one of the smallest bones in the body.
3. Improper placement of the hands under the rib cage when performing the Heimlich maneuver could result in:
- A. damage to the manubrium of the sternum.
- B. damage to the xiphoid process.
- C. damage to the coccyx.
- D. None of the above is possible, even with improper hand placement.
Correct answer: B
Rationale: The xiphoid process is a small, cartilaginous extension at the inferior end of the sternum. Placing the hands improperly during the Heimlich maneuver too close to this process can result in it breaking off and potentially causing damage to internal organs. Choices A and C are incorrect because the manubrium of the sternum and the coccyx are not in the area where the hands would typically be placed during the Heimlich maneuver.
4. Madge is a 91-year-old nursing home resident with a history of dementia and atrial fibrillation who has been admitted to the hospital for treatment of pneumonia. As you are performing her bed bath, you note bruising around her breasts and genital area. What potential issue should be of major concern in Madge's situation?
- A. Idiopathic thrombocytopenic purpura (ITP)
- B. Embolic stroke
- C. Sexual abuse
- D. Nursing home-acquired pneumonia (NHAP)
Correct answer: C
Rationale: Bruising around the breasts and genitals should trigger concern for sexual abuse. Elder abuse is a growing problem in America, and nurses are uniquely positioned to recognize and intervene on behalf of vulnerable populations, such as the elderly. According to the National Center on Elder Abuse (NCEA), major types of elder abuse include physical abuse, sexual abuse, emotional or psychological abuse, neglect, abandonment, financial or material exploitation, and self-neglect. In this scenario, given Madge's age, history of dementia, and the presence of unexplained bruising in sensitive areas, sexual abuse must be considered as a major concern. Idiopathic thrombocytopenic purpura (ITP) is a platelet disorder that presents with excessive bruising and bleeding, but it is less likely in this case as the bruising pattern is suggestive of a different cause. Embolic stroke is a neurological condition that typically presents with sudden onset neurological deficits and is not related to the observed bruising. Nursing home-acquired pneumonia (NHAP) is a common issue in elderly residents but would not manifest as bruising in specific areas like the breasts and genitals.
5. A 60-year-old patient has been treated for pneumonia for the past 6 weeks. The patient is seen today in the clinic for an unexplained weight loss of 10 pounds over the last 6 weeks. Which is an appropriate rationale for this patient's weight loss?
- A. Chronic diseases such as hypertension do not usually cause weight loss.
- B. Weight loss is more likely due to underlying medical conditions than unhealthy eating habits.
- C. Unexplained weight loss often accompanies short-term illnesses.
- D. Weight loss is not typically caused by mental health dysfunctions.
Correct answer: C
Rationale: Unexplained weight loss in a patient with pneumonia could indicate an underlying short-term illness or a chronic condition like endocrine disease, malignancy, depression, anorexia nervosa, or bulimia. Hypertension is not commonly associated with weight loss; it usually leads to weight gain due to fluid retention. Unhealthy eating habits are less likely to explain significant unexplained weight loss over a short period. Mental health dysfunctions can affect appetite but are not typically primary causes of significant unexplained weight loss.
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