Exam 2

Question 1

After the baby is born, the Foramen Ovale is closed due to: (3 processes)

Answer 1

1. ) Increased pressure in left atrium
2. ) No longer needs to shunt blood from right to left
3. ) The movement of the septum secundum to septum primum

Question 2

Subcardinal veins develop in conjunction with development of the ________.

Answer 2

Kidneys

Question 3

The medial umbilical ligament in the adult develops from the _________ ______

Answer 3

Umbilical Artery

Question 4

All are true about the ductus arteriosus

Answer 4

1. ) Shunts blood from the pulmonary artery to aorta
2. ) Forms the ligamentum arteriosus in the adult
3. ) Serves as a by-pass for the pulmonary sirculation in the fetus

Question 5

The aorticopulmonary septum forms from the ________

Answer 5

Mesoderm

Question 6

The membranous portion of the interventricular septum forms from the ______ ______

Answer 6

Bulbus Cordis

Question 7

The left venous valve of the embryo forms the ___________ ______ in the adult.

Answer 7

Interatrial Septum

Question 8

The Ostium secundum is found in the ______ ______

Answer 8

Septum Primum

Question 9

The smooth walled portion of the left atrium is formed from the _________ _____

Answer 9

Pulmonary veins

Question 10

The shift to the right of the sinus venosus causes the

Answer 10

Formation of the coronary sinus.

Question 11

From the Bulbus Cordis, blood would flow directly into the _______ __________

Answer 11

Truncus Arteriosus

Question 12

The foregut gives rise to all of the following:

Answer 12

1. ) Gallbladder
2. ) Bronchi
3. ) Pancreas

Question 13

As the stomach develops, the posterior surface would end up ____ _______ in the adult.

Answer 13

Left Surface

Question 14

The axis of rotation for midgut development is the ________ __________ ______

Answer 14

Superior Mesenteric Artery

Question 15

The omental bursa of the adult forms in the ______ ____________ of the embryo.

Answer 15

Dorsal Mesogastrium

Question 16

During physiological herniation, the midgut grows into the ________ ____

Answer 16

Umbilical cord

Question 17

The superior border of the hindgut is the _________ __________ ______

Answer 17

posterior intestinal portal

Question 18

All the following are true about the urorectal septum:

Answer 18

1. ) Develops from mesoderm
2. ) Divides the cloaca
3. ) Forms the perineum in the adult

Question 19

Blood supply to the hindgut is through the __________ ______

Answer 19

Vitelline artery

Question 20

Al the following develop from the second pharyngeal arch:

Answer 20

1. ) Muscles of facial expression
2. ) Stapes
3. ) Aortic arch II

Question 21

The superior parathyroid gland develops from _____ __

Answer 21

Pouch IV

Question 22

All the following are true about the development of the root of the tongue:

Answer 22

1. ) Develops from the copula
2. ) Innervated by vagus nerve (CN X)
3. ) Develops from Arch IV

Question 23

The philtrum of the lip forms from the ______ _____ _________

Answer 23

medial nasal swellings

Question 24

The palate of the adult develops from the

Answer 24

Medial nasal swellings and

Maxillary processes

Question 25

The blood supply to pharyngeal arch III is ______ ______

Answer 25

Aortic arch III

Question 26

The valve of the IVC develops from the _________ mesoderm

Answer 26

Splanchnic

Question 27

Aortic Arch II develops into the _________ artery in the adult

Answer 27

Stapedial

Question 28

The Vitelline veins develop into all the following:

Answer 28

Hepatic Veins Hepatocardiac portion of IVC Hepatic portal vein

Question 29

The Ostium secundum forms in the ______ ______

Answer 29

Septum primum

Question 30

The medical umbilical ligaments form from the _________ ________

Answer 30

Umbilical arteries

Question 31

The smooth walled portion of the right atrium develops from the _____ _______

Answer 31

Sinus venosus

Question 32

The sacrocardinal veins develop in response to growth of the _____ ____

Answer 32

Lower limb

Question 33

The membranous portion of the interventricular septum develops from the ______ ______

Answer 33

Bulbus cordis

Question 34

The IVC develops from all of the following:

Answer 34

Vitelline vein Subcardinal vein Sacrocardinal vein

Question 35

Pectinate muscles develop from the _________ ______

Answer 35

Embryonic Atrium

Question 36

The superior right venous valve develops into _______

Answer 36

NOTHING

Question 37

The left sinus horn develops into the ________ _____

Answer 37

Coronary Sinus

Question 38

The gall bladder develops from the _________

Answer 38

Endoderm

Question 39

The inferior border of the midgut is the _________ __________ ______

Answer 39

Posterior intestinal portal

Question 40

The stomach rotates on its longitudinal axis such that an anterior side becomes the _____ side.

Answer 40

Right

Question 41

All the following are outgrowths of the bile duct:

Answer 41

Liver Ventral pancreas Gall bladder

Question 42

The midgut undergoes herniation into the _________ ____

Answer 42

Umbilical cord

Question 43

Distal to the dentate line, the anal canal develops from the ________

Answer 43

Ectoderm

Question 44

The liver develops in all the following:

Answer 44

Ventral Mesogastrium Lesser omentum Stomach mesentery

Question 45

The omental bursa forms ______ to the stomach

Answer 45

Dorsal

Question 46

Arch IV develops into the _______ ___________ of the adult

Answer 46

Laryngeal cartilages

Question 47

The posterior 1/3 of the tongue develops from the _______

Answer 47

Copula

Question 48

The forehead develops from the ___________ ________

Answer 48

Frontonasal swelling

Question 49

The palate develops from the _____ ______ ________ and _________ __________

Answer 49

Medial nasal swelling | Maxillary swelling

Question 50

The pericardial ridge will grow and cover the ___________ ______

Answer 50

Pharyngeal clefts.