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The nurse examines the lymph nodes of a patient during a physical assessment. Which assessment finding would be of most concern to the nurse?
- A. A 2-cm nontender supraclavicular node
- B. A 1-cm mobile and nontender axillary node
- C. An inability to palpate any superficial lymph nodes
- D. Firm inguinal nodes in a patient with an infected foot
Correct Answer: A
Rationale: The correct answer is A: A 2-cm nontender supraclavicular node. This finding is concerning because supraclavicular nodes are not normally palpable. Enlarged supraclavicular nodes can indicate metastatic cancer. B is incorrect because mobile and nontender axillary nodes are usually benign. C is incorrect as the inability to palpate superficial nodes may be normal. D is incorrect as firm inguinal nodes could indicate a localized infection or inflammation.
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The nurse is assessing a client experiencing anemia. Which laboratory findings will the nurse expect for this client? (Select all that apply.)
- A. Increased hematocrit
- B. Decreased red blood cell count
- C. Decreased serum iron
- D. Decreased hemoglobin
Correct Answer: b
Rationale: Correct Answer: B - Decreased red blood cell count
Rationale:
1. Anemia is defined by a decrease in red blood cells, causing decreased oxygen-carrying capacity.
2. A decreased red blood cell count is a key indicator of anemia.
3. Other choices are incorrect:
A. Increased hematocrit is not expected in anemia, as it indicates a higher concentration of red blood cells.
C. Decreased serum iron may be seen in iron-deficiency anemia but is not a universal finding in all types of anemia.
D. Decreased hemoglobin is a common finding in anemia but is not as specific as a decreased red blood cell count.
Koilonychias is a specific feature of
- A. Hemolytic anemia
- B. Sickle cell disease
- C. Thalassemia major
- D. Iron deficiency anemia
Correct Answer: D
Rationale: Step-by-step rationale for why the correct answer is D (Iron deficiency anemia):
1. Koilonychias is characterized by spoon-shaped nails, a classic sign of iron deficiency anemia due to changes in nail structure.
2. Iron deficiency leads to decreased production of keratin, causing nail deformities like koilonychias.
3. Hemolytic anemia (choice A) and Sickle cell disease (choice B) are not typically associated with koilonychias.
4. Thalassemia major (choice C) can cause nail changes, but koilonychias is more commonly seen in iron deficiency anemia.
A nurse is caring for a patient who has a diagnosis of acute leukemia. What assessment most directly addresses the most common cause of death among patients with leukemia?
- A. Monitoring for infection
- B. Monitoring nutritional status
- C. Monitor electrolyte levels
- D. Monitoring liver function
Correct Answer: A
Rationale: The correct answer is A: Monitoring for infection. Acute leukemia patients are at high risk for infections due to compromised immune function. Infection is the most common cause of death among leukemia patients. Regular monitoring for signs of infection, such as fever and abnormal white blood cell counts, is crucial for early detection and treatment. Option B, monitoring nutritional status, is important but not the most direct cause of death in leukemia patients. Option C, monitoring electrolyte levels, is important but not as directly related to the cause of death in leukemia patients. Option D, monitoring liver function, is not the most common cause of death in leukemia patients and is not directly related to leukemia complications.
Which statement is correct regarding lymphocyte counts in infants versus adults?
- A. NK-cell numbers are lowest at birth and increase with age.
- B. B-cell numbers are highest at birth and decline with age.
- C. T-cell numbers in infants are higher than in adults.
- D. Infants have low lymphocyte counts that increase with age.
Correct Answer: C
Rationale: The correct answer is C because T-cell numbers in infants are indeed higher than in adults. This is due to the active development of the immune system in infants, leading to a higher proportion of T-cells.
A is incorrect because NK-cell numbers in infants are actually higher at birth and decrease with age.
B is incorrect because B-cell numbers are lower at birth and increase with age.
D is incorrect because infants do not have low lymphocyte counts; their immune system is actively developing, leading to higher lymphocyte counts compared to adults.
The nurse is documenting findings after completing data collection with a patient. What term should the nurse use to document a large area of discoloration from hemorrhage under the skin?
- A. Pallor
- B. Rubor
- C. Petechiae
- D. Ecchymosis
Correct Answer: D
Rationale: The correct term to document a large area of discoloration from hemorrhage under the skin is ecchymosis. Ecchymosis refers to a bruise caused by the extravasation of blood into the subcutaneous tissues. Pallor (A) is paleness, rubor (B) is redness, and petechiae (C) are tiny, pinpoint-sized red or purple spots on the skin due to bleeding. Ecchymosis is the most appropriate term for describing a large area of discoloration from hemorrhage under the skin as it specifically denotes a bruise resulting from blood leakage into tissues.