The nurse is reviewing the vital sign measurements for a patient with a neurological problem. When analyzing these measurements what should the nurse recall as the part of the brain that regulates heart rate and blood pressure?
a. Medulla
b. Cerebrum
c. Cerebellum
d. Hypothalamus
ANS: A
Within the medulla are cardiac centers that regulate heart rate, respiratory centers that regulate breathing, and vasomotor centers that regulate the diameter of blood vessels and therefore blood pressure. B. D. The hypothalamus and cerebrum have varied functions. C. The functions of the cerebellum are concerned with the involuntary aspects of voluntary movement: coordination, the appropriate direction and endpoint of movements, and the maintenance of posture and balance or equilibrium.
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