The most vital immediate observation to a new born baby.. Breathing. Heart Rate. Color. Muscle Tone. Cry. Reflexes. Feeding

The most vital immediate observation to a new born baby is:

• A- Cardiac rate
• B- Respiration rate.
• C- Color
• D- Tone

The most vital immediate observation to a newborn baby is actually C. Color.

Here's why:

- Color: 

Skin color provides rapid and crucial information about the baby's oxygenation and overall health. A healthy newborn should be pink, with possible variations depending on skin tone. Abnormal colorations like blue (cyanosis), pale gray, or jaundice require immediate attention and further evaluation.

- Cardiac and Respiratory rates:

While both heart and respiratory rates are crucial vital signs, they can take a few minutes to stabilize after birth. Initial assessments focus on ensuring adequate oxygenation through proper color, and then verifying appropriate heart and respiratory rates.

- Tone:

Muscle tone is also an important observation, but it's typically assessed after the baby has been stimulated and dried. A floppy or very stiff tone can be concerning but requires context alongside other vital signs and initial reflexes.

Therefore, while all the listed observations are important for newborn assessment, color takes precedence as it provides immediate information about the baby's oxygenation and potential life-threatening conditions. Prompt recognition of abnormal colorations allows for rapid intervention and potentially saves lives.

Remember, newborn assessments are comprehensive and involve evaluating various vital signs and reflexes alongside clinical observations. This explanation focuses on the immediate priority during initial assessment.