a nurse is reviewing abg laboratory results of a client who is in respiratory distress the results are ph 747 paco2 32 mm hg hco3 22 mm hg the nurse s

ATI RN

ATI Fundamentals

1. A healthcare professional is reviewing ABG laboratory results of a client who is in respiratory distress. The results are pH 7.47, PaCO2 32 mm Hg, and HCO3 22 mm Hg. The healthcare professional should recognize that the client is experiencing which of the following acid-base imbalances?

A. Respiratory acidosis
B. Respiratory alkalosis
C. Metabolic acidosis
D. Metabolic alkalosis

Correct answer: B

Rationale: The ABG results show a high pH (alkalosis) along with low PaCO2 and normal HCO3 levels, indicating respiratory alkalosis. In this condition, there is excessive loss of carbon dioxide (as seen by the low PaCO2) leading to a decrease in carbonic acid concentration and subsequent increase in pH. Metabolic acidosis or alkalosis would involve primary changes in bicarbonate levels, which are not predominant in this case.

2. A client is to receive thrombolytic therapy. Which of the following factors should be recognized as a contraindication to the therapy?

A. Hip arthroplasty 2 weeks ago
B. Elevated sedimentation rate
C. Incident of exercise-induced asthma 1 week ago
D. Elevated platelet count

Correct answer: A

Rationale: Thrombolytic therapy involves the use of medications to dissolve blood clots. Hip arthroplasty (joint replacement surgery) performed recently is a contraindication to thrombolytic therapy due to the risk of bleeding. Elevated sedimentation rate, exercise-induced asthma, and elevated platelet count are not contraindications to thrombolytic therapy.

3. When applying Nagele's rule, a healthcare professional is estimating a client's expected date of delivery based on their last menstrual period, which began on April 12th. What date should the healthcare professional determine to be the client's expected delivery date? (Use mmdd format.)

A. 119
B. 121
C. 115
D. 122

Correct answer: A

Rationale: To calculate the expected delivery date using Nagele's rule, begin by subtracting 3 months from the first day of the last menstrual period (April 12th), which results in January 12th. Then, add 7 days. Therefore, the expected delivery date would be January 19th (0119). This calculation method helps healthcare professionals estimate the client's due date.

4. After routine patient contact, how long should hand washing last at least?

A. 30 seconds
B. 1 minute
C. 2 minutes
D. 3 minutes

Correct answer: A

Rationale: Proper hand washing for 30 seconds is recommended after routine patient contact as it effectively removes pathogens. This duration ensures thorough cleaning without excessive time consumption, promoting infection control and prevention.

5. What is the appropriate route of administration for insulin?

A. Intramuscular
B. Intradermal
C. Subcutaneous
D. Intravenous

Correct answer: C

Rationale: The appropriate route of administration for insulin is subcutaneous. Subcutaneous injections are commonly used for insulin administration due to the slower absorption rate compared to intramuscular or intravenous routes. This slower absorption rate allows for better control of blood glucose levels. Intramuscular administration is not ideal for insulin as it can lead to rapid absorption and fluctuations in blood sugar levels. Intradermal injections are shallow and used for skin testing rather than insulin administration. Intravenous administration of insulin is not recommended due to the rapid and unpredictable effects it can have on blood glucose levels.