All of the following are potential factors leading to weight gain EXCEPT:
- A. Disrupted circadian rhythm
- B. Use of anti-histamines and sulphonylureas
- C. Changes in gut microbiota
- D. Controlled food portions that are of low energy density
Correct Answer: D
Rationale: Weight gain factors include disrupted circadian rhythm (metabolic dysregulation), antihistamines/sulphonylureas (appetite increase, insulin secretion), and gut microbiota shifts (altered energy harvest). Controlled food portions of low energy density (e.g., vegetables) reduce calorie intake, aiding weight loss, not gain, per obesity research. This exception highlights dietary control's role in managing chronic conditions like diabetes or obesity, guiding physicians in patient counseling for sustainable weight regulation.
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The single most effective intervention to reduce the risk of developing COPD and stop its progression is
- A. Increased physical activity
- B. Prompt intervention for chest infection
- C. Smoking Cessation
- D. Avoidance of indoor and outdoor pollutants
Correct Answer: C
Rationale: COPD's king fix quit smoking slashes risk and stalls damage, trumping exercise, infection zaps, or pollution dodges. It's the top toxin, 80% of cases, a chronic killer nurses chase down hard.
A patient has been assigned the nursing diagnosis of imbalanced nutrition: less than body requirements related to painful oral ulcers. Which nursing action will be most effective in improving oral intake?
- A. Offer the patient frequent small snacks between meals.
- B. Assist the patient to choose favorite foods from the menu.
- C. Provide teaching about the importance of nutritional intake.
- D. Apply prescribed anesthetic gel to oral lesions before meals.
Correct Answer: D
Rationale: Painful oral ulcers from cancer or chemo kill appetite anesthetic gel (e.g., lidocaine) numbs them pre-meal, making eating bearable. Snacks and favorites tempt but don't dull pain. Teaching informs, not fixes. Nurses in oncology prioritize this pain relief drives intake, tackling the root of this nutrition nosedive.
Which of the following is FALSE about brain natriuretic peptide (BNP)?
- A. Plasma levels of BNP often correspond to the severity of underlying cardiac dysfunction and can provide relatively reliable prognostic information
- B. It is secreted in response by the atria and ventricles in response to stretching for increased wall tension
- C. Obesity, diuretics, ACE inhibitors, beta blockers, angiotensin receptor antagonists, and aldosterone antagonists can lead to falsely high levels of BNP
- D. Common conditions that may falsely elevate plasma BNP levels include age and significant renal dysfunction
Correct Answer: C
Rationale: BNP reflects cardiac dysfunction severity and wall tension response true. Age and renal dysfunction elevate BNP falsely true. However, obesity, diuretics, ACEi, beta blockers, ARBs, and MRAs lower BNP (obesity reduces secretion, drugs reduce tension), not raise it making this false. High BNP (>1,000 pg/mL) signals poor prognosis. This corrects BNP interpretation in chronic HF.
A patient with Hodgkin's lymphoma who is undergoing external radiation therapy tells the nurse, 'I am so tired I can hardly get out of bed in the morning.' Which intervention should the nurse add to the plan of care?
- A. Minimize activity until the treatment is completed.
- B. Establish time to take a short walk almost every day.
- C. Consult with a psychiatrist for treatment of depression.
- D. Arrange for delivery of a hospital bed to the patient's home.
Correct Answer: B
Rationale: Radiation fatigue's brutal Hodgkin's therapy saps energy, but short walks fight deconditioning without overtaxing. Resting fully risks weakness; depression isn't assumed fatigue's treatment-driven. A bed doesn't fix it. Nurses in oncology balance this activity preserves function, key for lymphoma patients slogging through radiation's grind.
The nurse is orienting a new nurse to the oncology unit. When reviewing the safe administration of antineoplastic agents, what action should the nurse emphasize?
- A. Adjust the dose to the patient's present symptoms
- B. Wash hands with an alcohol-based cleanser following administration
- C. Use gloves and a lab coat when preparing the medication
- D. Dispose of the antineoplastic wastes in the hazardous waste receptacle
Correct Answer: D
Rationale: Antineoplastics are hazardous proper disposal in designated receptacles is critical to protect staff, patients, and the environment from toxic exposure. Gloves and gowns are standard for prep, but the question stresses one action, and disposal trumps as a universal safety net. Dosing's fixed by protocol, not symptoms tweaking's dangerous. Alcohol-based cleansers don't cut it post-exposure; soap and water are needed pre- and post-handling to remove residue. Emphasizing disposal aligns with OSHA and oncology nursing standards, ensuring chemo waste (e.g., IV bags, syringes) doesn't leak into regular trash, a key lesson for newbies in this high-stakes field.