Which of the following are potential causes of cardiac murmurs? ...

[BRWH]

Which of the following are potential causes of cardiac murmurs? 1. Backflow of blood through an incompetent valve 2. Forward flow through a stenotic valve 3. Rapid flow through a normal valve
 
  a. 2 and 3 only
  b. 1 and 2 only
  c. 1, 2, and 3
  d. 1 and 3 only

Question 2

Which of the following is true of peripheral cyanosis?
 
  a. Reliable indicator of tissue hypoxia.
  b. Develops early in patients with anemia.
  c. Develops late in patients with polycythe-mia.
  d. Sign of inadequate tissue perfusion.

[alexisweber49]

Answer to Question 1

ANS: C
Murmurs are created by the following: (1) a backflow of blood through an incompetent valve, (2) a forward flow of blood through a stenotic valve, and (3) a rapid flow of blood through a normal valve.

Answer to Question 2

ANS: D
Cyanosis of the digits is referred to as peripheral cyanosis and is mainly the result of poor blood flow, especially in the extremities.

[BRWH]

Excellent

[flexer1n1]

Gracias!