The frequency of twin pregnancies as determined by ultrasound examination during the first trimester of pregnancy is significantly higher than the frequency of twins delivered at term
Indicate whether the statement is true or false
True
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A patient has a diagnosis of dilated cardiomyopathy (DCM) and was admitted 24 hours ago for treatment. Which of the following principles should the nurse integrate into the planning of this patient's care?
A) The patient will benefit from early ambulation. B) Normal levels of activity should be resumed as soon as possible to reduce the risk of complications. C) The patient will need to avoid a heart rate of 75 beats per minute or more for several months. D) The patient will benefit from bed rest in the short term, and activity should be introduced slowly.
A client with hypertension has been prescribed oral clonidine hydrochloride. What instruc-tions should the nurse give to this client?
A. "Take this medication at bedtime." B. "Call your health care provider if a rash develops." C. "You will need to have your blood counts monitored regularly." D. "Take this medication by puncturing the capsule and placing the liquid contents under the tongue."
A reviewer is critically appraising a study's variables. What will the researcher evaluate?
a. Conceptual and operational definitions of variables b. Relationships of demographic variables to key concepts in the study framework c. Whether variables and key concepts are linked d. Use of all types of variables, including independent, dependent, and research variables
Carboxyhemoglobin:
A) is a combination of oxygen and hemoglobin. B) effectively carries oxygen to the body's cells. C) is the chemical by-product of cyanide poisoning. D) is hemoglobin combined with carbon monoxide.