In the Fetal Heart,several Structures Allow Blood from the Left

question 8

Multiple Choice

In the fetal heart,several structures allow blood from the left and right sides to mix.When the newborn takes its first breath,these structures must close to ensure that oxygenated blood from the left side does not mix with deoxygenated blood from the right side.Which of the following closed structures prevent this mixing between the systemic and pulmonary circulation after the umbilical cord is cut? Select all that apply.

• A)fossa ovalis
• B)ligamentum arteriosum
• C)ligamentum venosum
• D)ligamentum teres

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Definitions:

Braille

A tactile writing system used by people who are visually impaired, consisting of raised dots that represent letters, numbers, and punctuation marks.

Occipital Lobe

Situated in the rear part of the brain, this segment of the cerebral cortex is in charge of interpreting visual inputs.

Anatomy

The branch of biology concerned with the study of the structure of organisms and their parts.

Left-Hemisphere Damage

Injury or harm to the left side of the brain, often affecting language, analytical, and logical processing abilities.