On the ECG, the T wave represents _____

a. atrial contraction
b. atrial repolarization
c. ventricular contraction
d. ventricular repolarization


D
Ventricular repolarization is represented on the ECG by the T wave.

Nursing

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A patient tells the nurse that she does not like to "go to the doctor" and is feeling anxious about "being in this place." When the nurse checks her blood pressure, it is elevated along with her heart rate

The nurse rechecks her blood pressure about 10 minutes later and it is normal. The patient asks the nurse if she should be concerned that she may have hypertension. What statement should guide the nurse's response? A) She should not worry; it was stress related and her regular blood pressure is good. B) The first blood pressure was part of a simple stress response; our long-term blood pressure is controlled by negative feedback systems. C) Blood pressure is only one measure of hypertension; she should review this with the doctor and plan to recheck it on a regular basis. D) The respiratory infection is the probably the cause of the elevated blood pressure, and, with treatment, her blood pressure should remain normal.

Nursing

The nurse conducts an internal examination of a patient's nose. The examination reveals bilateral pale and edematous nasal mucus with clear, watery discharge. Which of the following do these findings most likely indicate?

a. an allergic response b. nasal inhalation of cocaine or overuse of nasal spray c. bacterial sinusitis d. normal mucus with the presence of cerebrospinal fluid

Nursing

A hospitalized school-age child with phenylketonuria (PKU) is choosing foods from the hospital's menu. Which food choice should the nurse discourage the child from choosing?

a. Banana b. Milkshake c. Fruit juice d. Corn on the cob

Nursing

____ is the ethical principle that relates to the concept of faithfulness and the practice of promise keeping

a. Morals b. Fidelity c. Confidentiality d. Justice

Nursing