Bathing a patient in cool or tepid water causes heat loss by
a. radiation c. convection
b. conduction d. respiration
B
Conduction is the loss of heat to an object in contact with the body. Bathing a patient in cool or tepid water will lower the patient's temperature. Radiation is the loss of heat in the form of infrared rays. If the temperature of the body is greater than the surroundings, heat is lost from the body to the environment. Convection is the movement of heat away from the body's surface. The use of fans enhances convected heat loss by air. Respiration is the act of breathing.
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Shining a light onto the iris from the lateral side could cause a shadow on the medial side if the patient is suffering from:
A) hemianopsia. B) glaucoma. C) retinal artery occlusion. D) anisocoria.
The nurse should use which solution to clean the inner cannula of a tracheostomy tube?
a. tap water c. alcohol b. Betadine d. hydrogen peroxide
Why is acetaminophen effective in the treatment of headaches but not in the treatment of muscle aches and inflammation?
A. Acetaminophen is effective against the pain of headache because it inhibits prostaglandin synthesis within the CNS but does not significantly inhibit the synthesis of prostaglandins in peripheral systems, which accounts for the lack of anti-inflammatory activity. B. Acetaminophen is effective against the pain of headache because it stimulates prostaglandin synthesis within the CNS but does not affect platelet aggregation or prothrombin time, which accounts for the lack of anti-inflammatory activity. C. Acetaminophen is effective against the pain of headache because it stimulates prostaglandin synthesis within the CNS but does not significantly stimulate the synthesis of prostaglandins in peripheral systems, which accounts for the lack of anti-inflammatory activity. D. None of the above are correct.
which veins can be used for routine venipuncture?
a. medial aspesis b. medial basilic c. supplementary cephalic d. all of the above