Exam 1: About This Book

A mother brings her infant to an emergency department reporting that the infant had a seizure.While taking the history, a nurse learns that the mother has been short of money and has been diluting the infant's formula with more water than the instructions recommend.Based on this information, which laboratory result should the nurse anticipate?

A nurse is preparing to draw a plasma sample for an antidiuretic hormone (ADH)test.Which color of tube top should the nurse use for this test?

A patient with pernicious anemia has a laboratory order to test for intrinsic factor (IF)antibodies.A nurse scheduling this test should instruct the patient to:

A patient's laboratory results indicate an increased level of dehydroepiandrosterone sulfate (DHEAS).This finding is consistent with which of the following? Select all that apply.

A patient admitted with chest pain has a blood pressure of 188/106 mm Hg, pulse 122 beats/min, and respirations 26 breaths/min.The patient has a positive drug screen for cocaine.Which medication order should a nurse question before administering to this patient?

A patient with increased gastrin level is found to have a pyloric obstruction.The nurse should understand that pyloric obstruction causes an increase in gastrin level due to which of the following?

A nurse notes that the initial preliminary report on one of three blood cultures for a patient with idiopathic fever is positive for coagulase-negative staphylococci.The nurse should relate this finding to the:

A patient's laboratory test results following amniotic fluid analysis indicate elevated $\alpha$ ₁-fetoprotein (AFP)levels and presence of acetylcholinesterase (AChE).Which of the following diagnoses should the nurse most suspect given these findings?

A patient is suspected of having overdosed on her cyclic antidepressant.Which of the following are signs and symptoms of such an overdose? Select all that apply.

The results of the analysis of a cerebrospinal fluid specimen show that the patient's tau protein level is increased.This is a marker associated with which of the following conditions?

A nurse observes that a patient's potassium level is 5.5 mEq/L.In response to this potassium level, the nurse's first action should be to:

A patient recently underwent kidney transplantation and needs to undergo testing to ensure that the medication he is on to prevent organ rejection does not reach toxic levels.Which test would be most appropriate for this purpose?

A nurse receives a phone call from a receptionist in another organization who requests a faxed copy of recent laboratory results for a patient.Which response by the nurse receiving this call is most appropriate?

When assessing a patient's calcium level, the nurse should also review the patient's:

A patient's laboratory test results indicate an increased blood level of iron.This finding is associated with which of the following conditions? Select all that apply.

A patient is suspected of having Wegener's syndrome.Which of the following antibody tests should the nurse expect to conduct on this patient to confirm this suspicion?

A patient has an increased lactate level.After reviewing the patient's medical record, which medication should a nurse suspect as contributing factor?

A patient is concerned about a "high sed rate" and asks a nurse what this means.Which response by the nurse is most accurate?

A patient's laboratory results indicate a decreased level of dehydroepiandrosterone sulfate (DHEAS).This finding is consistent with which of the following? Select all that apply.

A patient's laboratory test results indicate a negative finding on an infectious mononucleosis screen.The health-care provider, however, is concerned that this result could be a false-negative due to an interfering factor.Which of the following could cause such a false-negative finding?