The thick, muscular middle layer of the heart wall that contains the atrial and ventricular muscle fibers necessary for contraction is the _____

a. epicardium
b. pericardium
c. myocardium
d. endocardium


C
The myocardium (middle layer) is a thick, muscular layer that consists of cardiac muscle fibers (cells) responsible for the pumping action of the heart.

Nursing

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Based on Erikson's developmental theory, which of the following is the major developmental task of the adolescent?

A) Gaining independence B) Finding an identity C) Coordinating information D) Mastering motor skills

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Because a Foley catheter puts the patient at an increased risk for infection, the nursing assistant should

A. Keep the tubing beneath the patient, so it is not exposed to germs. B. Encourage adequate fluid intake, to decrease risk of infection. C. Avoid washing the insertion site, to prevent trauma. D. Keep the drainage bag higher than the level of the bladder at all times.

Nursing

A patient tells the nurse that the Patient's Bill of Rights gives patients the legal right to read their medical information. Which of these responses would be appropriate for the nurse to make?

a. "I'll ask your physician if you can read the record." b. "Are you concerned about the care you are receiving?" c. "I'll stay here with you while you read it in case you have any questions." d. "Let me check with the charge nurse first."

Nursing

Which of the following are considered mind–body therapies? (Select all that apply.)

a. Art therapy b. Meditation and relaxation c. Yoga d. Guided imagery e. Tai chi f. Music therapy

Nursing