Answer to Question 1
C
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A A 2-month-old infant's neck muscles are stronger than those of a newborn;
however, head lag is present when pulled to a sitting position.
B A 2-month-old infant continues to have some head lag when pulled to a sitting
position.
C A 2-month-old infant is able to briefly hold the head erect when in a prone
position. If a parent were holding the infant against the parent's shoulder, the
infant would be able to lift his or her head briefly.
D It is not until 4 months of age that the infant can easily lift his or her head and
hold it steadily erect when in the prone position.
Answer to Question 2
1; 3; 4
Rationale:
1. Vitamin K is given IM in the vastus lateralis muscle using a 25 gauge, 5/8-inch needle at a 90-degree angle. Aspirate, then slowly inject the solution, remove the needle, and gently massage the site with an alcohol swab.
2. Vitamin K is given IM in the vastus lateralis muscle using a 25 gauge, 5/8-inch needle at a 90-degree angle. Aspirate, then slowly inject the solution, remove the needle, and gently massage the site with an alcohol swab.
3. Vitamin K is given IM in the vastus lateralis muscle using a 25 gauge, 5/8-inch needle at a 90-degree angle. Aspirate, then slowly inject the solution, remove the needle, and gently massage the site with an alcohol swab.
4. Vitamin K is given IM in the vastus lateralis muscle using a 25 gauge, 5/8-inch needle at a 90-degree angle. Aspirate, then slowly inject the solution, remove the needle, and gently massage the site with an alcohol swab.
5. Vitamin K is given IM in the vastus lateralis muscle using a 25 gauge, 5/8-inch needle at a 90-degree angle. Aspirate, then slowly inject the solution, remove the needle, and gently massage the site with an alcohol swab.
6. Vitamin K is given IM in the vastus lateralis muscle using a 25 gauge, 5/8-inch needle at a 90-degree angle. Aspirate, then slowly inject the solution, remove the needle, and gently massage the site with an alcohol swab.