A patient newly diagnosed with heart failure understands that heart failure means there is a lack of sufficient blood supply to the patient's tissue throughout the body tells you that the is responsible for pumping blood from the hear t to the lest of the body.
Left Ventricle
Left Atria
Right Atria
Right Ventricle
The Correct Answer is A
The left ventricle is responsible for pumping oxygen-rich blood from the heart to the rest of the body. In heart failure, the left ventricle is weakened and unable to pump blood efficiently, resulting in reduced blood flow to the body's tissues. This can lead to symptoms such as fatigue, shortness of breath, and swelling in the legs and feet. Treatment for heart failure may include medications, lifestyle changes, and in some cases, surgical interventions such as a heart transplant.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Respiratory acidosis.
COPD is a chronic lung disease that can lead to an accumulation of carbon dioxide (CO2) in the body. This can cause respiratory acidosis, a condition in which the blood pH is lower than normal due to an excess of CO2.
In respiratory acidosis, the partial pressure of carbon dioxide (PaCO2) in the blood is increased and the pH is decreased. The kidneys atempt to compensate for the acidosis by excreting more acid in the urine and retaining more bicarbonate, but this compensation is usually not enough to fully correct the problem.
Metabolic alkalosis (option B) is a condition in which the blood pH is higher than normal due to an excess of bicarbonate in the blood. This is usually caused by loss of acid from the body, such as through vomiting or use of diuretics.
Respiratory alkalosis (option C) is a condition in which the blood pH is higher than normal due to a decrease in PaCO2. This can be caused by hyperventilation, which leads to excessive elimination of CO2 from the lungs.
Metabolic acidosis (option D) is a condition in which the blood pH is lower than normal due to an excess of acid in the blood. This can be caused by a variety of factors, including kidney failure or lactic acidosis.
Correct Answer is C
Explanation
Booster seats are recommended for children between the ages of 4 and 8, or until they are 4'9" tall. This is because seat belts are designed for adults and may not properly fit a child's smaller body. A booster seat helps to position the seat belt correctly on the child's body, improving the effectiveness of the seat belt and reducing the risk of injury in the event of a crash.
Option a is incorrect because 10 years old is too old to need a car seat. Option b is incorrect because children under the age of 8, or under 4'9" tall, should not use a seat belt alone. Option d is incorrect because car seats are recommended until children are at least 4 years old, not 3.
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