A definitive diagnosis of Down syndrome is based on:

a. facial features c. physical findings
b. family history d. karyotyping


D

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A Incorrect. A definitive diagnosis of Down syndrome is not based on facial features.
B Incorrect. A definitive diagnosis of Down syndrome is not based on family history.
C Incorrect. A definitive diagnosis of Down syndrome is not based on physical findings.
D Correct. A definitive diagnosis of Down syndrome is based on karyotyping. This involves identification of the chromosomes' appearance, performed by growing cells from a blood or tissue sample, staining them during the metaphase stage of replication, and scanning them with a microscope. Chromosomes are examined, revealing extra genetic material.

Nursing

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Indicate whether the statement is true or false

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The term shared governance describes:

A. Informal ways in which access to opportunity is made available to staff. B. Staff nurses' inclusion in decision-making through representation in governing practice and management issues. C. Nurses' involvement in decision-making at the administrative level. D. Shared staffing on various levels to serve the needs of the institution.

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In charting on a 70-year old man with a wound that appears as a shallow crater, the nurse would stage this as a:

a. stage I b. stage II c. stage III d. stage IV

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The nurse is caring for a client who is receiving mechanical ventilation accompanied by positive end-expiratory pressure (PEEP). What assessment findings require immediate intervention?

a. Blood pressure drop from 110/90 mm Hg to 80/50 mm/Hg b. Pulse oximetry value of 96% c. Arterial blood gas (ABG): pH, 7.40; PaO2, 80 mm Hg; PaCO2, 45 mm Hg; HCO3–, 26 mEq/L d. Urinary output of 30 mL/hr

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