Nokea
In medical term shortness of breathing known as
- A. SOB
- B. dyspnea
- C. Both a and b
- D. non of these
Correct Answer: C
Rationale: The correct answer is C: Both A and B. "SOB" is the abbreviation for shortness of breath, while "dyspnea" is the medical term for difficulty breathing. Both terms are used interchangeably to describe the sensation of breathing difficulty. Choosing C is correct because it encompasses both terms that are synonymous with the medical condition. Option D is incorrect because there are appropriate terms for shortness of breathing, which are provided in options A and B. Option A is incorrect because it only provides the abbreviation for the term without the actual medical term. Option B is incorrect because it only provides one of the terms used to describe shortness of breathing, while the correct answer includes both terms.
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Following assessment of a patient with pneumonia, the nurse identifies a nursing diagnosis of impaired gas exchange based on which finding?
- A. SpO of 86%
- B. Crackles in both lower lobes
- C. Temperature of 101.4ºF (38.6ºC)
- D. Production of greenish purulent sputum
Correct Answer: A
Rationale: Impaired gas exchange is indicated by a low SpO2 level, in this case 86%, which suggests inadequate oxygenation. Crackles, temperature, and sputum production are important assessments but do not directly indicate impaired gas exchange.
Which of the body systems listed below cooperate to supply O2 to cells and eliminate CO2? 1) digestive system 2) cardiovascular system 3) urinary system 4) respiratory system 5) endocrine system
- A. 3, 5
- B. 2, 4
- C. 1, 2
- D. 1, 2, 2004
Correct Answer: B
Rationale: The correct answer is B (2, 4) - cardiovascular system and respiratory system. The cardiovascular system transports O2 from the lungs to the cells and carries CO2 away for elimination by the respiratory system. The respiratory system is responsible for gas exchange, bringing O2 into the body and removing CO2. The other choices are incorrect because:
A (3, 5) - The urinary system (3) filters waste from the blood and maintains fluid balance, while the endocrine system (5) regulates hormones and metabolism; neither directly supply O2 or eliminate CO2.
C (1, 2) - The digestive system (1) processes food and absorbs nutrients, not involved in gas exchange; the cardiovascular system (2) does cooperate but alone is not sufficient.
D (1, 2, 2004) - Choice 2004 is incorrect as it is not a valid option.
Partial pressure of Oxygen in the inspired and expired air is respectively
- A. 158 and 116 mm Hg
- B. 158 and 40 mm Hg
- C. 100 and 95 nn Hg
- D. 40 and 95 mm Hg
Correct Answer: B
Rationale: The correct answer is B (158 and 40 mm Hg) because the partial pressure of oxygen in inspired air is approximately 158 mm Hg, while in expired air it decreases to around 40 mm Hg due to oxygen being taken up by the body tissues for metabolism. Choice A (158 and 116 mm Hg) is incorrect because expired air has a lower partial pressure of oxygen than inspired air. Choice C (100 and 95 mm Hg) is incorrect as it does not reflect the significant decrease in oxygen partial pressure from inspired to expired air. Choice D (40 and 95 mm Hg) is incorrect as it has the values reversed, with expired air having a higher partial pressure of oxygen than inspired air, which is not physiologically accurate.
While assessing a patient who has pneumonia, the nurse has the patient repeat the letter E while the nurse auscultates. The nurse notes that the patient's voice sounds are distorted and that the letter A is audible instead of the letter E. How should this finding be documented?
- A. Bronchophony
- B. Egophony
- C. Whispered pectoriloquy
- D. Sonorous wheezes
Correct Answer: B
Rationale: The correct answer is B: Egophony. Egophony is a lung sound in which the spoken "E" sound changes to a loud, nasal "A" sound when auscultated, indicating consolidation in the lungs, such as in pneumonia. This finding should be documented as egophony because it specifically describes the distortion of voice sounds during auscultation related to lung pathology.
A: Bronchophony refers to increased clarity and loudness of spoken sounds during auscultation and is not specific to the distortion of the voice sounds as in the given scenario.
C: Whispered pectoriloquy describes whispered sounds being heard clearly during auscultation, which is different from the scenario presented.
D: Sonorous wheezes are continuous low-pitched wheezing sounds heard with inspiration or expiration, not related to the distortion of voice sounds as in egophony.
The patient with sleep apnea is fitted with a continuous positive airway pressure (CPAP) mask and asks the nurse how this device will help. How should the nurse respond?
- A. The device delivers constant positive pressure to keep your airway open.
- B. The device will require you to be intubated to open your airway.
- C. The device delivers oxygen only when you are apneic.
- D. The device delivers negative pressure to stimulate your respirations.
Correct Answer: A
Rationale: The correct answer is A because a CPAP mask delivers a constant positive pressure to keep the airway open during sleep, preventing airway collapse and interruptions in breathing. This helps improve oxygenation and reduce the frequency of apnea episodes. Choice B is incorrect as intubation is not required with CPAP. Choice C is incorrect as CPAP does not deliver oxygen, it only provides pressurized air. Choice D is incorrect as CPAP delivers positive pressure, not negative pressure, to support breathing.