Insensible heat loss is
a. loss of heat to an object in contact with the body
b. loss of heat in the form of infrared rays
c. loss of heat through the continuous, unnoticed water loss that occurs with vaporization
d. movement of heat away from the body's surface
C
Insensible heat loss occurs by the method of evaporation. Insensible water loss is continuous and occurs regardless of the body temperature. Evaporation is the continuous insensible water loss from the skin and lungs when water is converted from a liquid to a gas.
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The patient has a temperature of 106° F. The nurse should be aware that the oxygen demands of the body would:
A) Increase due to an increase in metabolism B) Decrease due to a decrease in metabolism C) Increase due to a decrease in metabolism D) Decrease due to an increase in metabolism
Which two factors are most likely to result in improved cardiac output?
a. Greater preload; greater afterload b. Greater preload; reduced afterload c. Reduced preload; greater afterload d. Reduced preload; reduced afterload
The nurse observes unlicensed assistive personnel (UAP) taking the following actions when caring for a female patient with a urethral catheter. Which action requires that the nurse intervene?
a. Taping the catheter to the skin on the patient's upper inner thigh b. Cleaning around the patient's urinary meatus with soap and water c. Disconnecting the catheter from the drainage tube to obtain a specimen d. Using an alcohol-based gel hand cleaner before performing catheter care
Calcium assists in the contraction of a muscle. In which area of the heart is the impulse to contract stimulated?
A) Sinoatrial node B) Atrioventricular node C) Tricuspid valve D) Mitral valve