Maintenance of a constant internal environment and the implementation of behavioral patterns are main functions of which area of the brain?
a. Thalamus
b. Epithalamus
c. Subthalamus
d. Hypothalamus
Answer: d. Hypothalamus
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A nurse assesses a client with renal insufficiency and a low red blood cell count. The client asks, "Is my anemia related to the renal insufficiency?" How should the nurse respond?
a. "Red blood cells produce erythropoietin, which increases blood flow to the kidneys." b. "Your anemia and renal insufficiency are related to inadequate vitamin D and a loss of bone density." c. "Erythropoietin is usually released from the kidneys and stimulates red blood cell production in the bone marrow." d. "Kidney insufficiency inhibits active transportation of red blood cells throughout the blood."
An older client is prescribed isoniazid (INH) for 6 months. What should the nurse instruct the client about this medication?
1. Avoid vitamin supplements. 2. Use alcohol only in small amounts. 3. Report yellow eyes or skin immediately. 4. Expect the finger and toe tingling to occur.
A nurse is analyzing assessment findings on four different newborns. Which assessment finding on a newborn might suggest a congenital heart defect?
1. Apical heart rate of 140 beats per minute 2. Respiratory rate of 40 3. Acrocyanosis 4. Cyanosis of the buccal membranes
What is the MOST common cause of atelectasis?
a. A bronchiole becomes blocked with secre-tions, and distal alveoli collapse. b. Alveoli distal to the affected bronchiole become overdistended with trapped air, and they rupture. c. Bronchi within the affected portion of the lung become chronically dilated. d. Pressure inside the affected portion of the lung has become less than the pressure outside the body.