Multiple Choice
After birth, which of the following events does not occur?
A) The foramen ovale closes due to blood pressure changes.
B) Resistance to blood flow through the pulmonary circuit decreases.
C) Blood pressure in the left atrium decreases.
D) The umbilical vessels constrict.
E) Blood pressure in the right atrium falls.
Correct Answer:
Verified
Correct Answer:
Verified
Q36: Granulation produces an oval, three-layered structure known
Q37: Which of the following is not a
Q38: Somatic cells contain how many chromosomes?<br>A) 11<br>B)
Q39: Progesterone is involved in milk production.
Q40: The two pronuclei join during amphimixis to
Q42: Which of the following hormones is concerned
Q43: In which of the following periods of
Q44: How long after implantation does the heart
Q45: The flattened cell mass developed during the
Q46: The umbilical cord is formed by the