Author Question: A 7-year-old boy is diagnosed with Legg-Calv-Perthes disease (Coxa plana). The nurse explains that ... (Read 24 times)

lak · **on:** Jun 27, 2018

A 7-year-old boy is diagnosed with Legg-Calv-Perthes disease (Coxa plana). The nurse explains that this disease is caused by:

a. An auto-immune response
b. A genetic disorder
c. Disruption of blood flow to the bone
d. A bacterial infection of the bone

Question 2

The nurse is preparing to give an injection to a preschooler. The nurse has selected the deltoid muscle. What is the maximum amount of solution that the nurse can give in the deltoid of a preschooler?

a. 0.25 cc c. 0.5 cc
b. 0.05 cc d. 1 cc

kxciann · **Reply #1 on:** Jun 27, 2018

Answer to Question 1

C
The disorder is caused by a disruption in the blood flow to the epiphysis of the bone. The disease affects the development of the femur.

Answer to Question 2

C

Feedback
A Incorrect. The maximum amount of solution that the nurse can give in the deltoid muscle of a preschooler is limited to 0.5 cc, not 0.25 cc.
B Incorrect. The maximum amount of solution that the nurse can give in the deltoid muscle of a preschooler is limited to 0.5 cc, not 0.05 cc.
C Correct. The maximum amount of solution that the nurse can give in the deltoid muscle of a preschooler is limited to 0.5 cc.
D Incorrect. The maximum amount of solution that the nurse can give in the deltoid muscle of a preschooler is limited to 0.5 cc, 1 cc is 2X more than recommended.