Pressure in the left ventricle must exceed pressure in which structure before the left ventricle can eject blood?
a. Superior vena cava
b. Aorta
c. Inferior vena cava
d. Pulmonary veins
Ans: b. Aorta
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You are caring for a patient with chronic obstructive pulmonary disease. When you auscultate this patient's breath sounds, what do you expect to hear?
A) Continuous popping sounds early in inspiration B) Harsh, dry sounds originating in the large bronchi C) Discontinuous popping sounds heard in early inspiration D) Soft, high-pitched, popping sounds that occur during inspiration
To reduce the risk of aspiration in a patient who is receiving enteral feedings running at 70 mL/hour, the nurse should:
1. check the position of the tube every shift. 2. notify the charge nurse or physician about a residual of 15 mL. 3. elevate the head during and for 10 minutes following the feeding. 4. position the patient on the left side after the feeding.
The patient is alert and cooperative for insertion of a nasogastric (NG) tube. In which position should the nurse place the patient for the procedure?
a. Sitting upright but leaning back slightly b. In left lateral Sims' position with the head elevated c. Leaning forward on the overbed table d. Any position that is comfortable
What the purpose of a volume control burette device?
What will be an ideal response?