Author Question: Trace a drop of blood through the fetal circulation using the structures provided. _____ Aorta ... (Read 77 times)

khang · **on:** Jun 28, 2018

Trace a drop of blood through the fetal circulation using the structures provided.

_____ Aorta
_____ Ductus arteriosus
_____ Ductus venosus
_____ Foramen ovale
_____ Head and extremities
_____ Left ventricle
_____ Right atrium
_____ Superior vena cava

Question 2

A nurse is assessing a woman for TORCH infections. What diseases are included in this acronym? (Select all that apply.)

A.
Cytomegalovirus
B.
Hepatitis B
C.
Roseola
D.
Toxoplasmosis
E.
Varicella zoster

xiaomengxian · **Reply #1 on:** Jun 28, 2018

Answer to Question 1

ANS:
5, 8, 1, 3, 6, 4, 2, 7

Blood travels through the fetus in a unique pattern. Most blood enters the inferior vena cava through the ductus venosus, empties into the right atrium, and passes through the foramen ovale into the left atrium. It then travels to the left ventricle, into the aorta, and out into the rest of the systemic circulation. Blood returns to the heart from the head through the superior vena cava, goes through the right side of the heart before entering the pulmonary artery, or bypasses the lungs and enters the aorta through the ductus arteriosus.

Answer to Question 2

ANS: A, B, D, E
TORCH stands for toxoplasmosis, other infections, rubella, cytomegalovirus, and herpes simplex virus. Other infections include varicella zoster virus, human immunodeficiency virus, hepatitis B virus, human parvovirus B19, and syphilis. Roseola is not included.