Nokea
A nurse has educated a client on isoniazid. What statement by the client indicates that teaching has been effective?
- A. I need to take extra vitamin C while on isoniazid.
- B. I should take this medicine with milk or juice.
- C. I will take this medication on an empty stomach.
- D. My contact lenses will be permanently stained.
Correct Answer: C
Rationale: The correct answer is C: "I will take this medication on an empty stomach." This indicates effective teaching because isoniazid should be taken on an empty stomach to maximize absorption. Taking it with food can reduce absorption.
A: Taking extra vitamin C is not necessary for isoniazid.
B: Taking isoniazid with milk or juice can reduce its effectiveness.
D: Contact lenses are not affected by isoniazid, so they will not be permanently stained.
You may also like to solve these questions
A client with suspected tuberculosis will most likely relate which clinical manifestations?
- A. Fatigue, weight loss, low grade fevers, night sweats.
- B. Dyspnea, chest pain, cough.
- C. Rapid shallow breathing, prolonged labored expiration, stridor.
- D. Dyspnea, hypoxemia, decreased pulmonary compliance.
Correct Answer: A
Rationale: The correct answer is A. A client with suspected tuberculosis is likely to experience fatigue, weight loss, low-grade fevers, and night sweats due to the chronic infection affecting the body. Fatigue and weight loss are common symptoms of active tuberculosis due to the systemic impact of the infection. Low-grade fevers and night sweats are characteristic of tuberculosis due to the body's immune response. These symptoms are key indicators of tuberculosis infection.
Choices B, C, and D are incorrect because they describe symptoms that are not typically associated with tuberculosis. Dyspnea, chest pain, and cough (Choice B) are more commonly seen in respiratory conditions such as pneumonia or bronchitis. Rapid shallow breathing, prolonged labored expiration, and stridor (Choice C) are indicative of airway obstruction rather than tuberculosis. Dyspnea, hypoxemia, and decreased pulmonary compliance (Choice D) are more characteristic of conditions such as chronic obstructive pulmonary disease (COPD) rather than tuberculosis.
You are up very high where barometric pressure is 447 mmHg. What is the partial pressure of oxygen in the air up there?
- A. 0.5 mmHg
- B. 40 mmHg
- C. 80 mmHg
- D. 120 mmHg
Correct Answer: C
Rationale: The correct answer is C (80 mmHg) because the partial pressure of oxygen in the air is directly proportional to the percentage of oxygen in the air. In the atmosphere, oxygen makes up approximately 21% of the air. Therefore, to calculate the partial pressure of oxygen, you would multiply the total barometric pressure by the percentage of oxygen (0.21). So, 447 mmHg x 0.21 = 94.07 mmHg. This is the partial pressure of oxygen at sea level. To find the partial pressure of oxygen at a higher altitude, you would consider the decrease in total barometric pressure. At 447 mmHg, the partial pressure of oxygen would be around 80 mmHg.
Summary:
A: Incorrect because it is too low.
B: Incorrect because it is too low.
D: Incorrect because it is too high.
At a PO2 of 70 mm Hg and normal temperature and pH, hemoglobin is ________ percent saturated with oxygen.
- A. 10
- B. 25
- C. 50
- D. more than 90
Correct Answer: D
Rationale: The correct answer is D (more than 90). At a PO2 of 70 mm Hg, hemoglobin is more than 90% saturated with oxygen due to the high oxygen affinity of hemoglobin at this partial pressure. Hemoglobin exhibits near-maximal saturation at this level, promoting efficient oxygen binding and transport. Choices A, B, and C are incorrect as they do not accurately reflect the high oxygen saturation levels associated with a PO2 of 70 mm Hg.
A nurse in a medical unit is caring for a client with heart failure. The client suddenly develops extreme dyspnea,tachycardia and lung crackles. The nurse immediately asks another nurse to contact the primary health care provider and prepares to implement ALL priority interventions EXCEPT?
- A. Administer oxygen
- B. Administer furosemide (diuretic)
- C. Transport to coronary care unit
- D. Obtain stat Hepatic Panel
Correct Answer: C
Rationale: Rationale: Option C, transporting the client to the coronary care unit, is not the priority intervention because the client is presenting with acute pulmonary edema, a sign of worsening heart failure. Administering oxygen (Option A) is crucial to improve oxygenation. Administering furosemide (Option B) helps reduce fluid overload. Obtaining a stat Hepatic Panel (Option D) may be necessary to assess liver function due to medication side effects. However, immediate actions to address respiratory distress and tachycardia take precedence over moving the client to another unit.
Which of the following are structural features of the trachea?
- A. C-shaped cartilage
- B. smooth muscle fibers
- C. cilia
- D. all of the above
Correct Answer: D
Rationale: The correct answer is D because all the choices are structural features of the trachea. A is correct as the trachea has C-shaped cartilage rings for structural support. B is correct as the trachea contains smooth muscle fibers that help regulate airflow. C is correct as the trachea is lined with cilia that help sweep mucus and foreign particles out of the respiratory tract. Therefore, all of the above choices are structural features of the trachea, making D the correct answer.