Nokea
At birth, tunica intima of arterial wall contains all of the following, except
- A. Type IV collagen
- B. Laminin
- C. Endothelial cells
- D. Smooth muscle cells
Correct Answer: D
Rationale: Smooth muscle cells are not typically found in the tunica intima at birth.
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How would the nurse caring for an infant with congestive heart failure (CHF) modify feeding techniques to adapt for the child's weakness and fatigue? (Select all that apply.)
- A. Feeding more frequently with smaller feedings
- B. Using a soft nipple with enlarged holes
- C. Holding and cuddling the child during feeding
- D. Substituting glucose water for formula
Correct Answer: A
Rationale: Infants with CHF fatigue easily. Feeding can be given more frequently in smaller amounts through a soft, large-holed nipple. Formulas with a denser caloric content can be offered. The child may be encouraged to nurse if he or she is held.
Two days following abdominal surgery a client begins to report cramping abdominal pain, and the nurse's inspection of the abdomen indicates slight distention. Which action should the nurse implement first?
- A. Encourage the client to ambulate
- B. Offer ice chips or warm liquids
- C. Auscultate the client's abdomen
- D. Assess the client's temperature
Correct Answer: C
Rationale: Auscultating the abdomen will help determine if there are any signs of bowel obstruction or ileus, which can cause the distension.
The following are true statements:
- A. Tissue plasminogen activator is derived from endothelium
- B. Heparin acts through antithrombin III
- C. Protein C deficiency is autosomal recessive transmitted
- D. Protein C is vitamin K dependent
Correct Answer: B
Rationale: Heparin acts through antithrombin III: Heparin enhances the activity of antithrombin III, which inhibits thrombin and other clotting factors, helping prevent clot formation.
SVT
- A. HR . 220 /min
- B. Adenosine helpful in management
- C. Beat to beat variation is not present
- D. Valsalvar maneuver is a treatment method
Correct Answer: B
Rationale: Adenosine is effective in managing supraventricular tachycardia by interrupting reentrant pathways.
Causes of pancytopenia and splenomegaly include:
- A. Low-grade non-Hodgkin's lymphoma
- B. Gaucher's disease
- C. Alcoholic cirrhosis
- D. BI2 deficiency
Correct Answer: B
Rationale: Gaucher's disease, a lysosomal storage disorder, can cause pancytopenia and splenomegaly due to bone marrow infiltration and hypersplenism.