Answer to Question 1
Correct Answer: 1
Rationale 1: The specific blood test to detect and guide treatment for heart failure is the BNP test. B-type natriuretic peptide is secreted primarily by the left ventricle in response to increased ventricular volume and pressure.
Rationale 2: A CBC is a complete blood count, which includes hemoglobin and hematocrit measurements, erythrocyte (red blood cells) count, leukocyte (white blood cell) count, red blood cell indices, and a differential white cell count.
Rationale 3: This test measures the amount of the enzyme lactic dehydrogenase in the body.
Rationale 4: This is a test to assess for phenylketonuria in the newborn.
Answer to Question 2
Correct Answer: 2
Rationale 1: Assessing the data occurs in the pretest phase.
Rationale 2: Collecting the specimen comes during the intratest phase.
Rationale 3: Observing the client occurs in the posttest phase as follow-up after the testing.
Rationale 4: Preparing the client occurs in the pretest phase.