After the first breath at birth, what causes closure of the ductus arteriosus?

After the first breath at birth, what causes closure of the
ductus arteriosus?

Question Posted / biomaster

After the first breath at birth, what causes closure of the ductus arteriosus?..

Answer / biomaster

An increase in oxygen.

Is This Answer Correct ?

1 Yes

1 No

More Anatomy Interview Questions

What is a urachal cyst or sinus a remnant of?

What substance in eosinophilic granules is primarily responsible for defense against helminths and protozoan infections?

What part of the heart does the LAD supply?

How is the function of gap junctions accomplished?

Describe the location of the lymph node paracortex?

Are there are two types of spermatogonia?

Name five portal-systemic anastomoses?

Give 3 characteristics of a LMN lesion?

If you break your medial epicondyle of the humerus, which nerve would likely injure?

What is the bony labyrinth filled with and Describe its composition?

What are two important functions of a neutrophil?

Brodmann's area 6 is?

For more Anatomy Interview Questions Click Here