What percentage of an adult's body weight consists of water? ...

[rayancarla1]

What percentage of an adult's body weight consists of water?
 
  a. 10 to 20
  b. 30 to 40
  c. 50 to 60
  d. 70 to 80

Question 2

Auscultating the heart sounds should result in a lubb-dupp sound when using the bell and the diaphragm of the stethoscope. The lubb sound is caused by the:
 
  a. opening of the AV valves.
  b. opening of the semilunar valves.
  c. closing of the AV valves.
  d. closing of the semilunar valves.

[Tabitha_2016]

Answer to Question 1

C
The percentage of water declines to 50 to 60 in adults.

Answer to Question 2

C
The lubb-dupp sound of the heart is caused by the closing of the AV and semilunar valves, respectively.

[rayancarla1]

Thank you

[Tabitha_2016]

No problemo