Congenital heart defects can cause a right heart–to–left heart shunting of blood that results in increased:
A) Pulmonary blood volume
B) Right ventricle workload
C) Unoxygenated blood flow
D) Right atrial blood volume
Ans: C
Feedback:
Right-to-left shunts transfer unoxygenated blood from the right side of the heart to the left side, diluting the oxygen content of blood that is being ejected into the systemic circulation and causing cyanosis. Left-to-right shunts cause recycling of blood through the pulmonary vessels and the right side of the heart, causing increased volume and workload of the right side of the heart and pulmonary circulation.
You might also like to view...
A client tells the nurse, "I have had abdominal pain, bloating, visual disturbances, and bone pain for the last 3 to 6 months." On assessment, the nurse finds excessive weight loss and suspects an autoimmune hypersensitivity disorder
Which diagnostic test does the primary health-care provider recommend for further confirmation? 1. Abdominal CT scan 2. Ultrasound abdomen 3. Serology celiac panel 4. Barium contrast x-ray series
_____ is a measure of how the pulmonary, cardiovascular, and muscular systems work together during aerobic activities
a. Adenosine triphosphate b. A-V oxygen difference c. Cardiorespiratory endurance d. Caloric expenditure
Jenna sometimes “shops till she drops,” meaning she shops on an exhilarating high until she crashes into a major depressive episode. Jenna’s behavior is most common to which disorder?
A. obsessive-compulsive B. major depressive C. bipolar D. generalized anxiety
Which of the following is the medical term that means frequent thirst?
a. Polydipsia b. Hyperglycemia c. Ketosis d. Polyuria