What is the most common cause of hypoxemia?

a. Laryngeal edema c. Bronchospasm
b. Laryngospasm d. Ventilation/perfusion mismatching


D
The most common cause of hypoxemia is ventilation/perfusion mismatching. When functional residual capacity falls below closing capacity, dependent alveoli occlude, leading to increased mismatching. Impairment of hypoxic pulmonary vasoconstriction by inhalation agents and some vasoactive drugs potentiate this effect.

Nursing

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The nurse has withdrawn medication from a vial for injection. Which of the following should the nurse do next?

a. Wash the hands. b. Follow the organization's policy regarding recapping and changing the needle prior to injecting. c. Label the syringe with drug, dose, date, and time. d. Prepare the client's other medications.

Nursing

A woman is 6 weeks pregnant. She has had a previous spontaneous abortion at 14 weeks of gestation and a pregnancy that ended at 38 weeks with the birth of a stillborn girl. What is her gravidity and parity using the GTPAL system?

1. 2-0-0-1-1 2. 2-1-0-1-0 3. 3-1-0-1-0 4. 3-0-1-1-0

Nursing

Do you think Mr. Y could still gain weight after this surgery? If so, explain how

Nursing

Which way of selecting a journal for publication of a research study is most likely to reduce lag time?

1. Prepare the article and then match the article to a journal's specifications. 2. Identify a journal that most typically publishes a study of similar topics and prepare an article according to the journal's specific guidelines. 3. Write query letters to journal editors to determine their interest in publishing the nurse researcher's article. 4. Submit simultaneously a written report of the research to at least six journals that may be interested.

Nursing