Which of the following indicates the flow of blood in the human ...

[B]

Which of the following indicates the flow of blood in the human body?
 
  a. flows from an area of lower pressure to an area of higher pressure
  b. takes the path of most resistance and flows from the area of highest pressure to an area of low pressure
  c. goes from higher to lower pressure and takes the path of most resistance
  d. flows from an area of high pressure to an area of low pressure and takes the path of least resistance

Question 2

The mother asks the nurse when her baby will be able to hold his head up. The best response by the nurse is that the baby will be able to hold his head up at:
 
  a. 3 months
  b. 4 months and also use the forearms for support
  c. 6 months, if the baby is not overfed and overweight
  d. 7 months

[Brenm]

Answer to Question 1

D

Feedback
A Incorrect. Blood flows in the human body from an area of high pressure to an area of low pressure.
B Incorrect. Blood flow will take the path of least resistance, not most resistance. It is correct that blood flows from the area of highest pressure to an area of low pressure.
C Incorrect. Blood flow does go from higher to lower pressure, but it takes the path of least resistance.
D Correct. Blood flows in the human body from an area of high pressure to an area of low pressure (flowing down hill) and takes the path of least resistance.

Answer to Question 2

B

Feedback
A Incorrect. A baby most likely cannot hold up his head by 3 months.
B Correct. The best response by the nurse is that the baby will be able to hold his head up at 4 months and also use the forearms for support.
C Incorrect. At 5 to 6 months of age, the infant has the ability to hold the head, the chest, and abdomen up by bearing weight with the hands, even if overfed and overweight.
D Incorrect. Between 7 and 8 months the infant is able to sit alone steadily without any support.

[B]

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