Which laboratory test is the primary test used to determine if excess body tissue is being broken down?
a. Hematocrit
b. BUN
c. Hemoglobin
d. Serum creatinine
B
When excess body tissue is broken down, as can occur with malnutrition or illness, the nitrogen balance in the body is altered. This balance is measured by the blood urea nitrogen (BUN) test, which is a urine test. The hematocrit, hemoglobin, and serum creatinine tests can also be used to diagnose protein deficits, but the primary test used for determining protein metabolism is BUN.
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In evaluating the cardiac function of a patient, the nurse understands that cardiac muscle cells have unique properties that are not found in skeletal muscle. What is the best example of such a unique property?
A) Automaticity B) Responsiveness C) Contractility D) Elasticity
A patient in the CCU presents with endocarditis. This patient is 40 years old, a smoker, had rheumatic heart disease as a child, and is obese. Which characteristics of this patient are risk factors for endocarditis?
A) Age B) Smoking status C) History of rheumatic heart disease D) Obesity
The nurse is providing care for a pediatric client on night shift. At 0400, the nurse notes that the child has a high fever but does not have an order for an antipyretic
What nursing action represents a good example of teamwork and collaboration as defined by the Quality and Safety Education for Nurses (QSEN) competencies? The nurse: A) calls the health care practitioner, reports her findings, and requests an order for an antipyretic. B) gives the child a common over-the-counter antipyretic based on dosing recommendations and reports this to the oncoming nurse. C) reports to the oncoming nurse at 0700 that the child has a fever so that when the healthcare provider comes in, she can obtain an order for an antipyretic. D) requests that the child 's mother give the child something for the fever that she brought from home.
The nurse is providing infection control teaching to a patient. Which patient statement warrants additional patient teaching?
a. "It is important that I get my whooping cough vaccination as directed by my health care provider." b. "Getting plenty of sleep each night will help my immune system." c. "I should wash my hands before preparing my food." d. "It is important that I take my antibiotic until my symptoms have completely re-solved."