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تحميل كتاب NBDE Part I Explanations to Reprints pdf
المؤلف : غير محدد
عن الكتاب : تحميل كتاب NBDE Part I Explanations to Reprints pdf تأليف غير محدد pdf مجانا ... NBDE Part I
Explanations to Reprints
Test Packet 1-H
(Released 2003)
Contents
Part 1: Anatomic Sciences Exam Explanations . . . . . . . . . . . . . . . . . . . . . . . . . 1
Part 2: Biochemistry-Physiology Exam Explanations . . . . . . . . . . . . . . . . . . . . 27
Part 3: Microbiology-Pathology Exam Explanations . . . . . . . . . . . . . . . . . . . . 49
Part 4: Dental Anatomy and Occlusion Exam Explanations . . . . . . . . . . . . . . 85
Anatomic Sciences
1. The correct answer is D. The ductus arteriosus is a bypass of the fetal lungs and consists
of a connection between the fetal aorta and pulmonary artery. It shunts blood from the
nonfunctioning fetal lungs. This connection closes and becomes the ligamentum arteriosum
after birth. The hepatic veins (choice B) take blood from the liver to the vena cava in
both adult and fetus. The ligamentum teres (choice C) is the remnant of the left umbilical
vein, so the vein does not exist after birth but the ligamentum teres does. Fossa ovalis
(choice A) is a depression in the right atrial wall, near the position of the foramen ovale
(a fetal heart structure) but different from it. Crista terminalis (choice E) is an area in the
right atrium marking the line connecting the primitive sinus venosus and the atrium
proper. It persists in the adult.
.
أعلان
عن الكتاب
تحميل كتاب NBDE Part I Explanations to Reprints pdf تأليف غير محدد pdf مجانا ... NBDE Part I
Explanations to Reprints
Test Packet 1-H
(Released 2003)
Contents
Part 1: Anatomic Sciences Exam Explanations . . . . . . . . . . . . . . . . . . . . . . . . . 1
Part 2: Biochemistry-Physiology Exam Explanations . . . . . . . . . . . . . . . . . . . . 27
Part 3: Microbiology-Pathology Exam Explanations . . . . . . . . . . . . . . . . . . . . 49
Part 4: Dental Anatomy and Occlusion Exam Explanations . . . . . . . . . . . . . . 85
Anatomic Sciences
1. The correct answer is D. The ductus arteriosus is a bypass of the fetal lungs and consists
of a connection between the fetal aorta and pulmonary artery. It shunts blood from the
nonfunctioning fetal lungs. This connection closes and becomes the ligamentum arteriosum
after birth. The hepatic veins (choice B) take blood from the liver to the vena cava in
both adult and fetus. The ligamentum teres (choice C) is the remnant of the left umbilical
vein, so the vein does not exist after birth but the ligamentum teres does. Fossa ovalis
(choice A) is a depression in the right atrial wall, near the position of the foramen ovale
(a fetal heart structure) but different from it. Crista terminalis (choice E) is an area in the
right atrium marking the line connecting the primitive sinus venosus and the atrium
proper. It persists in the adult.
.
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