QUIZ WITH VERIFIED ANSWERS {
GRADED A+}
The LPN/LVN understands that hematocrit measures which of the
following?
1. The oxygen-carrying capacity of the blood.
2. The ratio of red blood cells to fluid volume.
3. The number of red blood cells in 100 ml of blood.
4. The ratio of red blood cells to white blood cells. - ✔✔Strategy: Think
about each answer.
,(1) describes hemoglobin; man 13-18 g/dL; woman 12-15 g/dL; child 11-
12.5 g/dL
(2) CORRECT—the ratio of red blood cells to fluid volume; man 42-50%;
woman 40-48%; child 35-45%
(3) red blood cell count determines the actual number of cells in
relation to volume; man 4.6-6.2 million/mm3; woman 4.2-5.4
million/mm3; child 3.2-5.2 million/mm3
(4) white blood cell count establishes amount and maturity of white
blood cell elements; adult 5,000-10,000/mm3; child 5,000-13,000/mm3
The LPN/LVN instructs a postoperative client about how to use an
incentive spirometer. The LPN/LVN determines teaching has been
effective if the client makes which of the following statements?
,1. "I should take a deep breath and blow into the mouthpiece."
2. "I'm glad that I only have to do this twice a day."
3. "I should ask for pain medication before using the spirometer."
4. "I should lie down to use the incentive spirometer." - ✔✔Strategy:
"Teaching is effective" indicates correct information.
(1) appropriate process is to determine the amount of air the client can
forcibly inhale; LPN/LVN's responsibility is to assure conditions that
promote maximum function exists; client does not blow into the
incentive spirometer
(2) recommended that client take 10 deep breaths per hour
, (3) CORRECT—the incentive spirometer is used after thoracic and
abdominal surgery to prevent atelectasis, to encourage deep
inspirations; assess the client's level of pain and administer pain
medication
(4) maximal lung expansion will occur if client is sitting up
Which of the following actions is essential for the LPN/LVN to take after
administering preoperative medication to a client?
1. Ensure that the operative permit is signed.
2. Discuss the client's feelings about surgery.
3. Raise the side rails of the bed.
4. Tell the client what to expect in the operating roo - ✔✔Strategy:
"Essential" indicates that discrimination is required to answer the
question.