Anatomy

This review guide (with practice questions) covers the respiratory system, lungs, and other structures involved in the breathing process.

The factors responsible for holding the lungs to the thorax wall are surface tension from pleural fluid and negative pressure.

Under what internal conditions does air tend to flow into the lungs? The simple answer is that it occurs due to a pressure gradient.

What is the Ventilation-Perfusion Ratio? What is a V/Q mismatch? This guide breaks it down and has practice questions on this topic.

The process of pulmonary diffusion is a vital part of respiration and refers to the movement of gases between the alveoli and blood.

What is renal heart failure? How can the kidneys affect the heart and cardiovascular system? This guide provides an overview of this topic.

What is cardiac electrophysiology? The guide describes the electrical activity and functionality of the heart, with practice questions.

Ventilation vs. Oxygenation vs. Respiration – What’s the Difference? This guide explains the similarities and differences between each type.