What prevents blood from flowing back into the ventricles from the pulmonary artery and aorta during repolarization?
a. tricuspid and mitral valves c. pulmonic and aortic valves
b. papillary muscles d. chordae tendinae
C
The pulmonic and aortic valves prevent blood from flowing back into the ventricles from the pulmonary artery and aorta during repolarization.
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The nurse caring for a client with a terminal illness would plan to put the focus of care on:
1. Encouraging the client to be as active as possible. 2. Encouraging the client to talk with distant relatives. 3. Encouraging the client to share his thoughts and feelings. 4. Encouraging the client to follow the treatment regimen.
A 2-year-old is seen for a well-child visit and is scheduled to receive immunizations. The child weighed 22 lb (9.97 kg) at 1 year of age (1 year ago). Today the child weighs 23 lb (10.4 kg)
Which conclusion is most appropriate for the nurse to make regarding this assessment data? A. The child is at an expected weight. B. The child is over expected weight. C. The child is seriously overweight. D. The child is underweight for age.
An older adult patient has experienced severe nausea and vomiting for 2 days since undergoing abdominal surgery. A prealbumin serum blood test is ordered. The nurse explains the rationale for the test to the patient's family by saying
a. "The provider is interested in whether there is enough available protein in the blood." b. "This test is designed to determine how the body is meeting current demands for protein." c. "The test will tell us if the vomiting has created a problem with protein metabol-ism." d. "Healing from such a surgery requires protein, and this test measures protein."
The nurse should recognize that a client who has urethritis should NOT be catheterized for what reason?
a. Inflammation in the infected tissue will in-crease. b. The infection could spread rapidly to the genital organs. c. Segmented bacteriologic localization cultures can be obtained. d. Voiding will flush the bacteria out of the urinary tract.