In reviewing a patient’s complete blood count (CBC) results, the nurse notes a "shift to the left." What is the significance of these results?

There is an elevated number of immature thrombocytes.

There is an elevated number of immature neutrophils (bands),

There is an elevated number of mature neutrophils (segs)

There is an elevated number of mature erythrocytes

Answer and Explanation

The Correct Answer is B

A. There is an elevated number of immature thrombocytes - Thrombocytes are platelets, and a shift to the left does not refer to these.

B. There is an elevated number of immature neutrophils (bands) - A "shift to the left" typically refers to an increase in immature neutrophils, also known as bands, in the blood. This often indicates an acute infection or inflammation as the body is producing and releasing more neutrophils to fight an infection.

C. There is an elevated number of mature neutrophils (segs) - An elevated number of mature neutrophils (segmented neutrophils) does not indicate a shift to the left. The term specifically refers to immature forms.

D. There is an elevated number of mature erythrocytes - Mature erythrocytes are red blood cells, and a shift to the left does not pertain to red blood cell counts or maturity.

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Correct Answer is ["A","C","E"]

Explanation

A. D-dimer blood test - A D-dimer test measures clot breakdown products in the blood. Elevated levels suggest the presence of an abnormal blood clot, such as in PE, although it is not specific.

B. Complete blood count (CBC) - A CBC is not typically used to diagnose PE. It may be ordered to check for other conditions or as part of the overall health assessment, but it doesn't confirm PE.

C. CT scan - A CT pulmonary angiography is the gold standard for diagnosing PE. It provides detailed images of the blood vessels in the lungs.

D. Chest x-ray - A chest x-ray is not diagnostic for PE. It is often performed to rule out other causes of the client’s symptoms (e.g., pneumonia, pneumothorax) but does not confirm the presence of a pulmonary embolism.

E. Lung ventilation and perfusion scan (VQ scan)
A VQ scan is another diagnostic tool for PE, especially in clients who cannot tolerate contrast dye required for CT scans. It assesses the ventilation and perfusion of the lungs and identifies mismatches suggestive of PE.

A. "Vision changes occur suddenly due to complete obstruction of aqueous humor outflow" B. Vision changes occur when retinal tissue pulls away from the blood vessels in the eye " C. Vision changes occur when the retina gins to breakdown and collect bits of debris D. Vision changes occur when the cloudy lens alters the passage of light through the eye”

Correct Answer is B

Explanation

A. "Vision changes occur suddenly due to complete obstruction of aqueous humor outflow." This describes acute angle-closure glaucoma, not retinal detachment.

B. "Vision changes occur when retinal tissue pulls away from the blood vessels in the eye." Retinal detachment happens when the retina separates from its supporting tissues, including the blood vessels, leading to vision loss.

C. "Vision changes occur when the retina begins to break down and collect bits of debris." This describes age-related macular degeneration, not retinal detachment.

D. "Vision changes occur when the cloudy lens alters the passage of light through the eye." This describes cataracts, not retinal detachment.

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In reviewing a patient’s complete blood count (CBC) results, the nurse notes a "shift to the left." What is the significance of these results?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has developed pulmonary embolism (PE). Which of the following diagnostic tests should the nurse anticipate the provider to prescribe to confirm the client's condition?(Select All that Apply.)

Correct Answer is ["A","C","E"]

Explanation

A nurse is providing teaching to a group of clients about the changes that occur in the eye when clients experience retinal detachment. Which of the following statements should the nurse include in the teaching?

Correct Answer is B

Explanation

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