Reviewed Irene Gold Part 1 QUESTIONS & ANSWERS WITH COMPLETE SOLUTIONS GRADED A+

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