How Is Cardiomegaly Evaluated on a PA Chest Radiograph

question 39

Multiple Choice

How is cardiomegaly evaluated on a PA chest radiograph?

• A) Measurement of the cardiothoracic ratio.
• B) Evaluation of the height of the right hemidiaphragm.
• C) Evaluation of the left hemidiaphragm.
• D) Cardiomegaly cannot be evaluated on a PA chest radiograph.

---

Definitions:

Morphine Addiction

A condition of physical and psychological dependence on morphine, a potent opiate analgesic drug, leading to compulsive drug-seeking behavior and use despite harmful consequences.

Alcohol Addiction

is a chronic disease characterized by uncontrolled drinking and preoccupation with alcohol, where an individual is unable to manage their drinking habits.

Neurotransmitter

Chemical substances in the nervous system that transmit signals across a synapse from one neuron to another.

Reabsorption

Reabsorption is a biological process in which substances are taken back into the body's tissues, particularly referring to the recovery of water and solutes during filtration in the kidneys.