MCQs

Questions 3846

The set of lettered headings below is followed by a list of numbered words or phrases. For each numbered word or phrase select the correct answer under:

If the item is associated with A only

If the item is associated with B only
If the item is associated with both A and B
If the item is associated with neither A nor B

Oxygenated blood

Reduced blood
Both
Neither

Ductus venosus

Umbilical vein
Umbilical artery
Vitelline duct


_ A _
_ A _
_ B _
_ D _

Ventral mesogastrium

Dorsal mesogastrium
Both
Neither

Lesser omentum

Greater omentum
Falcilorm ligament
Gastrospleric ligament
Lienorenal ligament.

_ A _

_ A _
_ B _
_ B _
_ B _


Questions 4763

Directions: In the following series of questions, one or more of the four items is are correct.

Answer A. if 1,2and3are correct

B. ill and 3 are correct
C. if2 and 4 are correct
D. if only4 is correct and
E if all four are correct

47. Component(s) of a tertiary chorionic villus:

1. Amniotic epithelium
2. Fetal vessels
3. Lacunae
4. Trophoblast

48. The following structure(s) separate(s) fetal from maternal blood in the mature placenta:

1. Fetal capillary endothelium

2. Maternal capillary endothelium
3. Syncytiotrophoblast
4. Lamina densa


_ C _

_ B _

49. Component(s) of the oral membrane:

1. Ectoderm

2. Mesoderm
3. Endoderm
4. Notochord

50. Derived from the cloaca:

1. Rectum
2. Bladder
3. Urethra
4. Allantois

51 Derived from septum transversum:

1. Musculature of diaphragm
2. Central tendon of diaphragm
3. Transverse sinus of pericardium
4. Connective tissue of liver


52. Derived from sinus venosus:

1. Sinus venarum

2. Left atrium
3. Coronary sinus
4. Superior vena cava

_ B _

_ A _

_ C _

_ B _

53. Derived from truncus arteriosus:

1. Pulmonary trunk
2. Coronary arteries
3. Ascending aorta
4. Ductus arteriosus


54. Organ(s) developing from two primordia:

1. Stomach

2. Pancreas
3. Appendix
4. Definitive kidney (metanephros)

55. The developing diaphragm receives contributions from the:

1. Septum transversum
2. Ventral mesogastrium
3. Pleuroperitoneal membranes
4. Dorsal mesocardium

_ B _

_ C _

_ B _

56. The foregut of the embryo gives rise to the:


1. Anterior lobe of hypophysis
2. Thyroid gland
3. Inner ear
4. Lower respiratory tract

57. The dorsal mesntery of the primitive gut gives rise to the:

1. Falciform ligament
2. Lienorenal ligament
3. Lesser omentum
4. Greater omentum

58. Derived from mesonephric duct:

1. Uterine tube
2. Seminiferous tubules
3. Round ligament of uterus
4. Ductus deferens

_ C _

_ C _

_ D _

59. Derived from ureteric bud:

1. Majorca

2. Minor calyces
3. Collecting ducts
4. Nephrons

60. Derived from neural crest:

1. Spinal ganglia
2. Neural tube
3. Melanocytes
4. Ventral horn cells

61. Remnant(s) of embryonic thyroid outgrowth from the pharynx:

1. Branchial cyst
2. Laryngocoele
3. Cystic hygroma
4. Pyramidal lobe


_ A _

_ B _

_ D _

62. Derived from second branchial arch:

1. Muscles of mastication
2. Muscles of facial expression
3. Ramus of mandible
4. Styloid process of temporal bone

63. Glial cells of ectodermal origin:

1. Ependymal cells
2. Astrocytes
3. Oligodendrocytes
4. Microglia

_ C _

_ A _