manual hematocrits are done

NCLEX-RN

NCLEX RN Predictor Exam

1. When are manual hematocrits done?

A. to monitor anemia
B. by using a microhematocrit tube.
C. to measure the percentage of plasma to cells.
D. All of the above.

Correct answer: D

Rationale: Manual hematocrits are performed to monitor anemia, which involves measuring the percentage of red blood cells in the blood. The process involves collecting blood in a microhematocrit tube, then centrifuging it to separate the plasma from the cells. By measuring the ratio of plasma to cells, healthcare providers can assess the patient's hematocrit level. Therefore, all the provided options are correct as they collectively describe the purpose and procedure of manual hematocrits.

2. Why should direct care providers avoid glued-on artificial nails?

A. Interfere with dexterity of the fingers.
B. Could fall off in a patient's bed.
C. Harbor microorganisms.
D. Can scratch a patient.

Correct answer: C

Rationale: Direct care providers, including nurses, should avoid glued-on artificial nails because studies have shown that artificial nails, especially when cracked, broken, or split, create crevices where microorganisms can thrive and multiply. This can lead to an increased risk of transmitting infections to patients. Therefore, the primary reason for avoiding glued-on artificial nails is their potential to harbor harmful microorganisms, making option C the correct choice. Options A, B, and D are incorrect because while they may present some issues, the primary concern is the risk of microbial contamination associated with artificial nails.

3. While auscultating heart sounds, the nurse hears a murmur. Which of these instruments would be used to assess this murmur?

A. Electrocardiogram
B. Bell of the stethoscope
C. Diaphragm of the stethoscope
D. Palpation with the nurse's palm of the hand

Correct answer: B

Rationale: The correct instrument to assess a murmur while auscultating heart sounds is the bell of the stethoscope. An electrocardiogram is used to measure the heart's electrical activity, not to assess murmurs. Palpation with the nurse's palm of the hand is a method to assess pulses or textures, not heart murmurs. The diaphragm of the stethoscope is typically used for high-pitched sounds like breath, bowel, and normal heart sounds, whereas the bell is more suitable for soft, low-pitched sounds such as murmurs or extra heart sounds.

4. A client is post-op day #1 after a hemilaminectomy. The nurse removes the dressing as ordered and notes that the incision appears slightly red, with a small amount of serous drainage coming from the site. The edges of the incision are approximated. What is the next action of the nurse?

A. Assist the client to shower as ordered and monitor the site for further changes
B. Instruct the client to lie prone to allow the site to dry
C. Place antibiotic ointment and a sterile dressing over the site
D. Notify the physician for an antibiotic order

Correct answer: A

Rationale: An incision that appears slightly red with a small amount of serous drainage on the first day following surgery is going through a normal healing process. It is important to keep the incision clean. In this case, the nurse should assist the client to shower as ordered to maintain hygiene and monitor for changes in the incision site. Instructing the client to lie prone may not be necessary and could cause discomfort. Applying antibiotic ointment without a specific order is not recommended as it can interfere with the healing process. Notifying the physician for an antibiotic order is premature at this stage since the incision is showing normal signs of healing.

5. You see a patient lying on the floor of the bathroom. You are NOT assigned to this patient. What is the first thing that you should do?

A. Get the nurse who is caring for the patient.
B. Tell the nurse that the patient has had another seizure.
C. Observe the patient for any injuries and call out for help.
D. Nothing. This patient is not one of your assignments.

Correct answer: C

Rationale: The correct course of action in this situation is to observe the patient for any injuries and call out for help. It is crucial to act immediately in an emergency, regardless of whether the patient is under your care. Checking for injuries and seeking assistance can help ensure the patient receives prompt and appropriate care. Choosing to inform the nurse of a seizure without evidence or taking no action because the patient is not your assignment are not optimal responses. In a healthcare setting, patient safety and well-being should always be the top priority.