Canadian Practical Nurse Registration Examination (CPNRE) Practice Exam 2025 - Free CPNRE Practice Questions and Study Guide

In left-sided heart failure, the heart struggles to effectively pump blood out of the left ventricle, leading to a buildup of fluid in the lungs and reduced oxygenation of blood. This can present as specific signs and symptoms that a practical nurse should be vigilant for.

Activity intolerance is a common sign, as the body is unable to meet oxygen demands during exertion due to compromised oxygen delivery. Hemoptysis, or coughing up blood, can occur due to pulmonary congestion and increased pressure in the blood vessels of the lungs. Cyanosis, a bluish discoloration of the skin or mucous membranes, indicates inadequate oxygenation of the blood, typically seen in cases where fluid accumulation severely impacts respiratory function.

These manifestations are directly related to the impact of left-sided heart failure on pulmonary circulation and overall oxygen status in the body, which is why recognizing them is crucial in nursing care. The other options presented do not align with the typical manifestations of left-sided heart failure, focusing instead on symptoms that are either unrelated or characteristic of different conditions.