The posterior hypothalamus helps control temperature by a. ...

[Jipu 123]

The posterior hypothalamus helps control temperature by
 
  a. Causing vasoconstriction.
  b. Shunting blood to the skin and extremities.
  c. Increasing sweat production.
  d. Causing vasodilation.

Question 2

The nurse manager is evaluating current infection control data for the intensive care unit. The nurse compares past patient data with current data to look for trends. The nurse manager examines the chain of infection for possible solutions.
 
  Arrange these items in the proper order. (All answers are utilized.)
  a. A mode of transmission
  b. An infectious agent or pathogen
  c. A susceptible host
  d. A reservoir or source for pathogen growth
  e. A portal of entry to a host
  f. A portal of exit from the reservoir

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Answer to Question 1

ANS: A
If the posterior hypothalamus senses that the body's temperature is lower than the set point, the body initiates heat conservation mechanisms. Vasoconstriction of blood vessels reduces blood flow to the skin and extremities. The anterior hypothalamus controls heat loss by inducing sweating, vasodilation of blood vessels, and inhibition of heat production.

Answer to Question 2

ANS:
B, D, F, A, E, C
The nurse manager is evaluating the chain of infection to determine actions that could be implemented to influence the spread of infection in the intensive care unit. Understanding the spread of infection and directing actions toward those steps have the potential to decrease infection in the setting. For spread of infection, the chain has to be uninterrupted with an infectious agent, a reservoir and portal of exit, a mode of transmission, a portal of entry, and a susceptible host.

[Jipu 123]

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