According to the McGinnis model of 2002, what percentage of health differences between people is related to their behaviour?
- A. 10%
- B. 20%
- C. 30%
- D. 40%
Correct Answer: D
Rationale: McGinnis pegs behaviour smoking, eating at 40% of health gaps, big over genes or care. Nurses lean on this, a chronic choice chunk.
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Spirometry is used to determine the severity of COPD and to monitor disease progression. This test measures
- A. The ratio of volume of air the patient can forcibly exhale in 1 second and forced vital capacity
- B. The ratio of residual volume when patient has fully exhaled and forced vital capacity
- C. The ratio of forced vital capacity and volume of air the patient can forcibly exhale in 6 seconds
- D. The ratio of respiratory effort and respiratory rate
Correct Answer: A
Rationale: Spirometry sizes COPD FEV1/FVC ratio, air blasted in one second versus all-out capacity, pegs obstruction's depth, tracking decline. Residual's post-exhale, not this; 6-second's off; effort-rate's vague. Nurses lean on this, staging chronic airflow's fade.
After change-of-shift report on the oncology unit, which patient should the nurse assess first?
- A. Patient who has a platelet count of 82,000/µL after chemotherapy
- B. Patient who has xerostomia after receiving head and neck radiation
- C. Patient who is neutropenic and has a temperature of 100.5°F (38.1°C)
- D. Patient who is worried about getting the prescribed long-acting opioid on time
Correct Answer: C
Rationale: Neutropenia plus 100.5°F screams infection sepsis looms, outranking low platelets (A bleeding's later), dry mouth , or opioid timing . Nurses in oncology bolt here fever in a white-cell wasteland's a killer, needing stat eyes.
Epigenetic changes play a role in the development of type 2 diabetes mellitus. Question: Which of the following statements about epigenetics is correct?
- A. Epigenetic modifications lead to mutations in DNA
- B. Mutations in DNA lead to epigenetic modifications
- C. Epigenetic modifications only take place at a young age
- D. None of the statements provided above is correct
Correct Answer: D
Rationale: Epigenetics tweaks gene dials no mutations, not from mutations, not age-locked. Diet, stress flip switches anytime, a chronic type 2 player nurses note this, no false leads fit.
A patient who has ovarian cancer is crying and tells the nurse, 'My husband rarely visits. He just doesn't care.' The husband indicates to the nurse that he does not know what to say to his wife. Which nursing diagnosis is appropriate for the nurse to add to the plan of care?
- A. Compromised family coping related to disruption in lifestyle
- B. Impaired home maintenance related to perceived role changes
- C. Risk for caregiver role strain related to burdens of caregiving responsibilities
- D. Dysfunctional family processes related to effect of illness on family members
Correct Answer: D
Rationale: Ovarian cancer's toll her tears, his silence points to dysfunctional family processes; illness jams communication, not lifestyle , home upkeep , or caregiving load . He's lost, not burdened. Nurses in oncology peg this cancer's ripple screws up dynamics, needing talks to bridge the gap, not just task fixes.
The nurse understands that the physician would need to be notified regarding a chemotherapy dose if the client experiences:
- A. Fatigue
- B. Nausea and vomiting
- C. Stomatitis
- D. Bone marrow suppression
Correct Answer: D
Rationale: Chemotherapy's marrow hit bone marrow suppression drops counts like neutrophils or platelets, risking infection or bleeding, a dose-limiting toxicity needing physician review to adjust or pause treatment. Fatigue, nausea, and stomatitis are common, manageable with nursing care rest, antiemetics, mouth rinses unless extreme. Suppression's severity, tied to labs (e.g., ANC <500), halts therapy to protect the client, a critical threshold nurses monitor, distinguishing it from routine side effects, ensuring safety in this marrow-bashing regimen.
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