Nokea
A nurse teaches a client who is prescribed nicotine replacement therapy. Which statement should the nurse include in this client's teaching?
- A. Make a list of reasons why smoking is a bad habit.
- B. Rise slowly when getting out of bed in the morning.
- C. Smoking while taking this medication will increase your risk of a stroke.
- D. Stopping this medication suddenly increases your risk for a heart attack.
Correct Answer: C
Rationale: The correct answer is C. Smoking while taking nicotine replacement therapy can increase the risk of a stroke due to the combination of nicotine intake from smoking and the therapy. This is important for the client to understand to avoid potential serious health complications.
A: Making a list of reasons why smoking is bad is not directly related to the client's use of nicotine replacement therapy.
B: Rising slowly when getting out of bed is a general safety measure and not specific to nicotine replacement therapy.
D: Stopping nicotine replacement therapy suddenly does not increase the risk for a heart attack; rather, it may lead to withdrawal symptoms.
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The atmospheric pressure at sea level is
- A. 1,000mm Hg.
- B. 760mm Hg.
- C. 540mm Hg.
- D. 400mm Hg.
Correct Answer: B
Rationale: The atmospheric pressure at sea level is typically around 760mm Hg, which is equivalent to 101.3 kilopascals. This is the standard atmospheric pressure used in various scientific calculations. This value represents the pressure exerted by the weight of air above a given area at sea level. Choice B is correct because it accurately reflects the standard atmospheric pressure at sea level. Choices A, C, and D are incorrect as they do not match the accepted value for atmospheric pressure at sea level.
The inspiratory capacity is a total of what two pulmonary volumes?
- A. tidal volume and inspiratory reserve volume
- B. vital capacity and tidal volume
- C. vital capacity and inspiratory reserve volume
- D. residual volume and tidal volume
Correct Answer: A
Rationale: The inspiratory capacity is the maximum volume of air that can be inhaled after a normal exhalation. It is the sum of tidal volume and inspiratory reserve volume. Tidal volume is the volume of air inhaled and exhaled during normal breathing, while inspiratory reserve volume is the additional air that can be inhaled after a normal inhalation. Therefore, the correct answer is A.
Summary of why other choices are incorrect:
B: Vital capacity is the maximum volume of air that can be exhaled after a maximum inhalation. It does not include tidal volume, so this choice is incorrect.
C: Vital capacity includes inspiratory reserve volume, not tidal volume, so this choice is incorrect.
D: Residual volume is the volume of air remaining in the lungs after maximal exhalation, not part of inspiratory capacity. Tidal volume is the only correct component in this choice.
During hyperpnea:
- A. only the internal intercostal muscles contract.
- B. inspiration involves muscular contractions and expiration is passive.
- C. inspiration is passive and expiration involves muscular contractions.
- D. both inspiration and expiration involve muscular contractions.
Correct Answer: D
Rationale: During hyperpnea, which is increased rate and depth of breathing, both inspiration and expiration require muscular contractions. Inspiration involves the diaphragm contracting and external intercostal muscles expanding the rib cage, while expiration involves the internal intercostal muscles contracting to decrease the thoracic cavity volume. This increased muscular effort is necessary to meet the increased oxygen demand of the body during hyperpnea. Options A and C are incorrect as they incorrectly describe either inspiration or expiration as passive. Option B is incorrect as it inaccurately states that expiration is passive, which is not the case during hyperpnea.
Which of the following instructions should the nurse give a client about his active tuberculosis (TB)?
- A. "It's okay to miss a dose every day or two."
- B. "If side effects occur, stop taking the medication."
- C. "Only take the medication until you feel better."
- D. "You must comply with the medication regimen to treat TB."
Correct Answer: D
Rationale: The correct answer is D because adherence to the medication regimen is crucial in treating active TB to prevent drug resistance and ensure successful treatment. Missing doses can lead to treatment failure and the spread of TB. Option A is incorrect because missing doses compromises treatment effectiveness. Option B is incorrect as stopping medication due to side effects can also result in treatment failure. Option C is incorrect because TB treatment must be completed as prescribed, regardless of symptom improvement.
Rhea, confused and short breath, is brought to the emergency department by a family member. The medical history reveals chronic bronchitis and hypertension. To learn more about the current respiratory problem, the doctor orders a chest x-ray and arterial blood gas (ABG) analysis. When reviewing the ABG report, the nurses see many abbreviations. What does a lowercase in ABG value present?
- A. Acid-base balance
- B. Arterial Blood
- C. Arterial oxygen saturation
- D. Alveoli
Correct Answer: B
Rationale: The correct answer is B: Arterial Blood. The lowercase "a" in ABG values denotes arterial blood, indicating that the values are specific to the blood obtained from an artery. ABG analysis provides information about the oxygen and carbon dioxide levels in the blood, as well as the pH and bicarbonate levels, which are crucial in assessing respiratory and metabolic functions.
Choice A: Acid-base balance - This is incorrect because the lowercase "a" in ABG does not represent acid-base balance. Acid-base balance is determined by the pH level in the blood, which is one of the parameters measured in ABG analysis.
Choice C: Arterial oxygen saturation - This is incorrect because oxygen saturation is typically measured using pulse oximetry, not through ABG analysis. ABG values focus on the partial pressure of oxygen in the arterial blood.
Choice D: Alveoli - This is incorrect because ABG values do not directly represent the condition of the alveoli. ABG analysis