A patient is being treated for a pulmonary embolism and the medical nurse is aware that the patient suffered an acute disturbance in pulmonary perfusion. This involved an alteration in what aspect of normal physiology?
A) Maintenance of constant osmotic pressure in the alveoli
B) Maintenance of muscle tone in the diaphragm
C) pH balance in the pulmonary veins and arteries
D) Adequate flow of blood through the pulmonary circulation.
Ans: D
Feedback:
Pulmonary perfusion is the actual blood flow through the pulmonary circulation. Perfusion is not defined in terms of pH balance, muscle tone, or osmotic pressure.
You might also like to view...
The nurse is teaching an older patient with diverticulitis on foods that could precipitate a painful attack. How should the nurse instruct this patient?
1. Avoid foods with seeds. 2. Restrict the intake of high fiber foods. 3. Limit the intake of eggs and dairy products. 4. Eat whole grains with sesame seeds for added protein.
Staph infections are usually the cause of both lymphangitis and lymphadenitis
Indicate whether the statement is true or false
Which outcome should the nurse establish for a patient who has just voided and is scheduled for a portable ultrasonic bladder scan? A normal scan will indicate:
1. less than 100 mL of urine in the bladder. 2. between 100 and 150 mL of urine in the bladder. 3. between 150 and 200 mL of urine in the bladder. 4. more than 200 mL of urine in the bladder.
The parents ask the nurse if there is anything that can be done to reduce or eliminate the need for transfusions every 2 to 3 weeks for their child who has thalassemia
Which one of the following treatments will the nurse report as one that will decrease the child's need for frequent transfusions? a. beta cell transplantation b. liver and pancreatic transplantation c. splenectomy or bone marrow transplantation d. allergy testing and serum treatment of allergies