Reviewed Irene Gold Part 1
1000+ Quizzes With Complete Solutions
Graded A+
QUESTIONS AND ANSWERS
Endoderm develops into. ANSWER -1. Organs
2. GI tract
3. Respiratory tract
Paraxial mesoderm is divided into. ANSWER -1. Somatic
2. Splanchnic
Somatic paraxial mesoderm develops into. ANSWER -Skeletal muscle
Splanchnic paraxial mesoderm develops into. ANSWER -Visceral smooth muscle
Intermediate mesoderm develops into. ANSWER -1. Urogenital system
2. Kidneys
Lateral plate mesoderm develops into. ANSWER -1. Adrenal cortex
2. Blood and lymph cells
Ectoderm is divided into. ANSWER -1. Surface ectoderm
2. Neuroectoderm
Neuroectoderm develops into. ANSWER -1. Neural tube
2. Neural crest
Neural tube develops into. ANSWER -CNS
,Neural crest develops into. ANSWER -Cells outside CNS
Spina bifida occulta. ANSWER -Non-fusion of laminae
Area of hair growth over site of spina bifida occulta is known as. ANSWER -Fawn's beard
Vitamin that prevents spina bifida occulta. ANSWER -Folic acid
Folic acid is also known as. ANSWER -1. Vitamin B9
2. Methyl folate
3. Tetrahydrofolate
Arnold Chiari syndrome Type 1. ANSWER -Extension of cerebellar peduncles below
foramen magnum
Function of cerebellar peduncles. ANSWER -Connect cerebellum to brainstem
Arnold Chiari syndrome Type 2. ANSWER -Type 1 + myelomeningocele
Cleft palate. ANSWER -Non-fusion of maxillary and palatine bones
Notochord persists as. ANSWER -Nucleus pulposus
Sclerotomes give rise to. ANSWER -Vertebrae
Epimeres give rise to. ANSWER -Dorsal muscles
Hypomeres give rise to. ANSWER -Ventral muscles
When does primary ossification occur?. ANSWER -Before birth
,When does secondary ossification occur?. ANSWER -After birth
Intramembranous ossification. ANSWER -Conversion of mesenchyme into bone
What is formed via intramembranous ossification?. ANSWER -1. Clavicle
2. Flat bones of skull
Enchondral ossification. ANSWER -Preformation of bone in cartilage
Precursor of mouth is known as. ANSWER -Stomodeum
Foregut. ANSWER -Back of throat to 1st third of duodenum
Midgut. ANSWER -Last 2/3 of duodenum to 1st 2/3 of transverse colon
Hindgut. ANSWER -Last 1/3 of transverse colon to anus
In males, the gubernaculum becomes. ANSWER -Scrotal ligament
Scrotal ligament is also known as. ANSWER -Gubernacular testis
In females, the gubernaculum becomes. ANSWER -1. Suspensory ligament of ovary
2. Ovarian ligament
3. Round ligament
Primary vesicles. ANSWER -1. Prosencephalon
2. Mesencephalon
3. Rhombencephalon
Secondary vesicles of prosencephalon. ANSWER -1. Telencephalon
2. Diencephalon
, Secondary vesicles of rhombencephalon. ANSWER -1. Metencephalon
2. Myelencephalon
Derivatives of telencephalon. ANSWER -1. Cerebral cortex
2. Basal ganglia
Cranial nerves associated with telencephalon. ANSWER -CN 1
Ventricle associated with telencephalon. ANSWER -Lateral ventricle
Derivatives of diencephalon. ANSWER -Thalamus
Location of pineal gland. ANSWER -Epithalamus
Cranial nerves associated with diencephalon. ANSWER -CN 2
Ventricle associated with diencephalon. ANSWER -3rd ventricle
Derivatives of mesencephalon. ANSWER -Midbrain
Cranial nerves associated with mesencephalon. ANSWER -CN 3 and 4
Ventricle associated with mesencephalon. ANSWER -Cerebral aqueduct
Derivatives of metencephalon. ANSWER -1. Pons
2. Cerebellum
Derivatives of myelencephalon. ANSWER -Medulla
Cranial nerves associated with metencephalon. ANSWER -CN 5-8
1000+ Quizzes With Complete Solutions
Graded A+
QUESTIONS AND ANSWERS
Endoderm develops into. ANSWER -1. Organs
2. GI tract
3. Respiratory tract
Paraxial mesoderm is divided into. ANSWER -1. Somatic
2. Splanchnic
Somatic paraxial mesoderm develops into. ANSWER -Skeletal muscle
Splanchnic paraxial mesoderm develops into. ANSWER -Visceral smooth muscle
Intermediate mesoderm develops into. ANSWER -1. Urogenital system
2. Kidneys
Lateral plate mesoderm develops into. ANSWER -1. Adrenal cortex
2. Blood and lymph cells
Ectoderm is divided into. ANSWER -1. Surface ectoderm
2. Neuroectoderm
Neuroectoderm develops into. ANSWER -1. Neural tube
2. Neural crest
Neural tube develops into. ANSWER -CNS
,Neural crest develops into. ANSWER -Cells outside CNS
Spina bifida occulta. ANSWER -Non-fusion of laminae
Area of hair growth over site of spina bifida occulta is known as. ANSWER -Fawn's beard
Vitamin that prevents spina bifida occulta. ANSWER -Folic acid
Folic acid is also known as. ANSWER -1. Vitamin B9
2. Methyl folate
3. Tetrahydrofolate
Arnold Chiari syndrome Type 1. ANSWER -Extension of cerebellar peduncles below
foramen magnum
Function of cerebellar peduncles. ANSWER -Connect cerebellum to brainstem
Arnold Chiari syndrome Type 2. ANSWER -Type 1 + myelomeningocele
Cleft palate. ANSWER -Non-fusion of maxillary and palatine bones
Notochord persists as. ANSWER -Nucleus pulposus
Sclerotomes give rise to. ANSWER -Vertebrae
Epimeres give rise to. ANSWER -Dorsal muscles
Hypomeres give rise to. ANSWER -Ventral muscles
When does primary ossification occur?. ANSWER -Before birth
,When does secondary ossification occur?. ANSWER -After birth
Intramembranous ossification. ANSWER -Conversion of mesenchyme into bone
What is formed via intramembranous ossification?. ANSWER -1. Clavicle
2. Flat bones of skull
Enchondral ossification. ANSWER -Preformation of bone in cartilage
Precursor of mouth is known as. ANSWER -Stomodeum
Foregut. ANSWER -Back of throat to 1st third of duodenum
Midgut. ANSWER -Last 2/3 of duodenum to 1st 2/3 of transverse colon
Hindgut. ANSWER -Last 1/3 of transverse colon to anus
In males, the gubernaculum becomes. ANSWER -Scrotal ligament
Scrotal ligament is also known as. ANSWER -Gubernacular testis
In females, the gubernaculum becomes. ANSWER -1. Suspensory ligament of ovary
2. Ovarian ligament
3. Round ligament
Primary vesicles. ANSWER -1. Prosencephalon
2. Mesencephalon
3. Rhombencephalon
Secondary vesicles of prosencephalon. ANSWER -1. Telencephalon
2. Diencephalon
, Secondary vesicles of rhombencephalon. ANSWER -1. Metencephalon
2. Myelencephalon
Derivatives of telencephalon. ANSWER -1. Cerebral cortex
2. Basal ganglia
Cranial nerves associated with telencephalon. ANSWER -CN 1
Ventricle associated with telencephalon. ANSWER -Lateral ventricle
Derivatives of diencephalon. ANSWER -Thalamus
Location of pineal gland. ANSWER -Epithalamus
Cranial nerves associated with diencephalon. ANSWER -CN 2
Ventricle associated with diencephalon. ANSWER -3rd ventricle
Derivatives of mesencephalon. ANSWER -Midbrain
Cranial nerves associated with mesencephalon. ANSWER -CN 3 and 4
Ventricle associated with mesencephalon. ANSWER -Cerebral aqueduct
Derivatives of metencephalon. ANSWER -1. Pons
2. Cerebellum
Derivatives of myelencephalon. ANSWER -Medulla
Cranial nerves associated with metencephalon. ANSWER -CN 5-8
