Nursing Elites

1. When considering the concepts related to blood pressure, which statement best describes the concept of mean arterial pressure (MAP)?

• A. MAP is the pressure of the arterial pulse.
• B. MAP reflects the stroke volume of the heart.
• C. MAP is the pressure forcing blood into the tissues, averaged over the cardiac cycle.
• D. MAP is an average of the systolic and diastolic blood pressures and reflects tissue perfusion.

Correct answer: C: MAP is the pressure forcing blood into the tissues, averaged over the cardiac cycle.

Rationale: Mean Arterial Pressure (MAP) is the pressure that forces blood into the tissues, averaged over the cardiac cycle. It is not the pressure of the arterial pulse (Choice A), nor does it directly reflect the stroke volume of the heart (Choice B). While MAP involves systolic and diastolic pressures, it is not simply an average of these two values as diastole lasts longer. Instead, MAP is closer to diastolic pressure plus one third of the pulse pressure. The best description of MAP is that it represents the pressure forcing blood into the tissues, averaged over the cardiac cycle.

2. 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: All of the above.

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.

3. When performing a physical assessment, what technique should the nurse always perform first?

• A. Palpation
• B. Inspection
• C. Percussion
• D. Auscultation

Correct answer: Inspection

Rationale: During a physical assessment, the nurse should always begin with inspection. The sequence of techniques for physical examination is inspection, palpation, percussion, and auscultation. These skills are performed in a specific order, except for the abdominal assessment where auscultation precedes palpation and percussion. Inspection allows the nurse to observe and gather initial information without direct contact. It is a crucial step that provides valuable insights before proceeding to palpation, percussion, and auscultation. Therefore, choice B, 'Inspection,' is the correct answer. Choices A, C, and D are incorrect because they should follow inspection in the sequence of a comprehensive physical assessment.

4. A client is being admitted to the hospital because of a seizure that occurred at his home. The client has no previous history of seizures. In planning the client's nursing care, which of the following measures is most essential at the time of admission?

• A. Place a padded tongue depressor at the head of the bed.
• B. Pad the bed with blankets.
• C. Inform the client about the importance of wearing a medical identification tag.
• D. Teach the client about seizures.

Correct answer: Pad the bed with blankets.

Rationale: The most essential measure when admitting a client who had a seizure is to pad the bed with blankets (Option B). This is crucial to prevent injury in case of another seizure. Placing a padded tongue depressor at the head of the bed (Option A) is incorrect as current nursing guidelines advise against putting anything in the client's mouth during a seizure. Informing the client about wearing a medical identification tag (Option C) and teaching the client about seizures (Option D) are important but are more relevant once the cause of the seizure is known. It's crucial to remember that not all seizures are classified as epilepsy.

5. A patient suffering from hyperglycemia would be experiencing:

• A. Low blood sugar
• B. High blood sugar
• C. Normal blood sugar
• D. None of the above

Correct answer: High blood sugar

Rationale: Hyperglycemia is a condition characterized by high blood sugar levels. In this state, there is an excess of glucose in the bloodstream. Patients with hyperglycemia are often diagnosed with diabetes. The term 'hyperglycemia' specifically refers to elevated blood sugar levels. Therefore, the correct answer is 'High blood sugar.' Choices A, C, and D are incorrect because hyperglycemia indicates elevated blood sugar levels and not low or normal levels.

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