ATI RN
ATI Detailed Answer Key Medical Surgical
1. A healthcare worker is caring for a group of clients in an infectious disease unit. The worker should wear an OSHA-approved N95 respirator mask when caring for a client with which of the following infectious diseases?
- A. Pertussis
- B. Mycoplasma pneumonia
- C. Tuberculosis
- D. Respiratory syncytial virus
Correct answer: Tuberculosis
Rationale: An OSHA-approved N95 respirator mask is recommended when caring for a client with tuberculosis due to the airborne transmission of the disease. Tuberculosis poses a higher risk of transmission via respiratory droplets, making respiratory protection essential to prevent exposure and infection among healthcare workers.
2. What is the amount of blood the heart pumps through the circulatory system in a minute?
- A. Cardiac output
- B. Stroke volume
- C. End-diastolic volume
- D. Ejection fraction
Correct answer: A
Rationale: The correct answer is A: Cardiac output. Cardiac output is the volume of blood pumped by the heart per minute. It is calculated by multiplying the stroke volume (the amount of blood pumped out of the heart in each beat) by the heart rate (number of heartbeats per minute). This question specifically asks for the total amount of blood pumped through the circulatory system in a minute, which is represented by cardiac output. Choices B, C, and D are incorrect because stroke volume refers to the amount of blood pumped out of the heart in each beat, end-diastolic volume is the volume of blood in the heart at the end of diastole, and ejection fraction is the percentage of blood pumped out of the heart with each contraction, not the total amount pumped per minute.
3. A client is preparing for a surgical procedure but refuses to remove religious jewelry. What is the best course of action?
- A. Proceed with surgery and document the refusal.
- B. Ask the client for permission to secure the jewelry.
- C. Remove the jewelry and store it safely.
- D. Postpone the surgery until the jewelry is removed.
Correct answer: B
Rationale: The best course of action is to ask the client for permission to secure the jewelry. This respects the client's religious beliefs while also ensuring that the jewelry does not interfere during the surgical procedure. Proceeding with surgery without addressing the presence of the jewelry can lead to complications or distress for the client. Removing the jewelry without consent or postponing the surgery solely due to the presence of religious jewelry are not appropriate actions in this situation.
4. A client is being taught about a new prescription for furosemide. Which of the following statements by the client indicates an understanding of the teaching?
- A. This medication will decrease my potassium levels.
- B. I should eat a banana every day to increase my potassium intake.
- C. I will stop taking this medication if I experience a cough.
- D. I should avoid drinking alcohol while taking this medication.
Correct answer: D
Rationale: The correct answer is D. Clients taking furosemide should avoid alcohol because it can lead to dehydration and potential interactions with the medication. Choices A and B are incorrect because furosemide is a diuretic that can actually lower potassium levels, so the client should not expect an increase in potassium levels or solely rely on bananas for potassium intake. Choice C is incorrect because a cough is not a common side effect of furosemide and should not be a reason to stop taking the medication.
5. A nurse is caring for a client who is receiving oxytocin for labor induction. Which of the following findings requires immediate intervention?
- A. Contraction frequency of every 3 minutes
- B. Contraction duration of 80 seconds
- C. Late decelerations in the fetal heart rate
- D. Urine output of 50 mL/hr
Correct answer: C
Rationale: Late decelerations in the fetal heart rate require immediate intervention as they can indicate fetal distress due to uteroplacental insufficiency. This finding suggests a compromised blood flow to the fetus, which can lead to serious complications if not addressed promptly. Contraction frequency and duration are important to monitor but do not necessitate immediate intervention unless they are causing fetal distress. Urine output of 50 mL/hr is within the normal range for a client in labor and does not require immediate intervention.
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