MCQs



Ventral mesogastrium

Dorsal mesogastrium
Primitive dorsal mesentery
Umbilical artery
Umbilical vein

Vitelline duct

Mesonephric duct
paramesonephric duct
Metanephric duct
Allantois

Soft palate

Masseter
External acoustic meatus
Tympanic cavity
Orbicularis oris


Ligamentum teres
Falciform ligament
Greater omentum
Lateral umbilical
ligament
Sigmoid mesocolon

Uterine tube

Ureter
Urachus
Meckels diverticulum
Vas deferens

Maxillary process

Mandibular arch
First pharyngeal cleft
First pharyngeal pouch
Hyoid arch

Questions 7993

In reply to the following questions indicate whether you think each statement is True or False:

In the developing heart:

The sinus venosus contributes to the formation of both atria
Most of the left atrium is formed from primitive pulmonary veins
Blood pressure is higher in the right atrium than in the let
A left-to-right shunt occurs through the foramen ovale
Deoxygenated blood from the right atrium passes mainly into the right ventricle

_ F _

_ T _

_ T _

_ F _

_ T _

The physiological umbilical hernia of the fetus:


Contains the fetal stomach
Occurs during the middle three months of gestation
Is reduced as the level of the diaphragm rises within the abdomen
Is inconstant
May persist until birth, as an abnormality

In the developing limb

Mitoses are scarce in the apical ectodermal ridge (crest) Removal of the apical ridge causes cessation of limb
growth
Most of the limb muscles develop in situ
Cell degeneration is important in development of the digits
Ossification of the carpus begins before birth

_ F _

_ F _

_ F _

_ F _
_ T _


_ T _

_ T _

_ T _

_ T _

_ F _



Identify the numbered structures, from the choices given below:

Chorion laeve (98)
Chorion frondosurn
Decidua capsularis (99)
Amnion (97)
Decidua basalis (95)
Myometrium (94)
Decidua parietalis
Yolk sac remnant (96)




Identify the numbered structures, from the choices given below:

Notochord (103)
Septum transversum (107)
Neural tube (102)
Cloaca (104)
Allantois (105)
Foregut (100)
Midgut
Truncus arteriosus (101)
Stomodeum (108)
Vitelline duct (106)



Identify the numbered structures, from the choices given below:

Neural crest (109)
Notochord (115)
Skin ectoderm
Aorta (111)
Intermediate mesoderm (114)
Gut (113)
Sinus venosus
Paraxial mesoderm (110)
Coelom (112)
Extraembryonic
mesoderm




Identify the numbered structures, from the choices given below:

Amnion
Extraembryonic mesoderm (116)
Syncytiotrophoblast (119)
Fetal capillary (118)
Myometrium
Allantois
Intervillous space (117)
Cytotrophoblast (120)
Placental barrier
Decidua basalis (121)

Questions 6478

The group of questions below consists of numbered headings, followed by a list of lettered words or phrases. For each heading select the one word or phrase which is most closely related to it. Note: Each choice may be used only once.