Embryology
94 Questions
| Attempts: 361
Questions and Answers
- 1.
Each pharyngeal arch consists of:
- 2.
Each arch CONTAINS:
- 3.
Pharyngeal arch #1 is formed by which 2 prominences?
- 4.
The external grooves between pharyngeal arches
- 5.
Fused endoderm and ectoderm between arches. In fish gills slits form in them.
- 6.
Striated muscle (of pharyngeal arches) is dervied from
- 7.
Ventral aorta from heart feeds 5 pairs of arch arteries which coalesce into ____
- 8.
Mandibular prominence of pharyngeal arch 1 forms
- 9.
Maxillary prominence of pharyngeal arch 1 forms
- 10.
Arch 1 Nerve
- 11.
Arch 1 artery
- 12.
Muscles arch 1
- 13.
arch 2 bones
- 14.
arch 2 nerve
- 15.
arch 2 artery
- 16.
arch 2 muscles
- 17.
arch 3 bones
- 18.
arch 3 nerve
- 19.
arch 3 muscle
- 20.
arch 3 artery
- 21.
arch 4 and 6 bones
- 22.
arch 4 and 6 nerve
- 23.
arch 4 and 6 muscles
- 24.
arch 4 and 6 arteries
- 25.
Pharyngeal Pouch 1 forms
- 26.
pharyngeal cleft 1
- 27.
Pharyngeal Pouch 2
- A.
Thymus
- B.
Palantine tonsils
- C.
Inferior parathyroid gland
- D.
Superior parathyroid gland
- E.
A and b
- F.
A and c
- G.
B and c
Correct Answer
B. Palantine tonsils -
- 28.
Pharyngeal Pouch 3
- A.
Thymus
- B.
Palantine tonsils
- C.
Inferior parathyroid gland
- D.
Superior parathyroid gland
- E.
A and b
- F.
A and c
- G.
B and c
Correct Answer
F. A and c -
- 29.
Pharyngeal Pouch 4
- A.
Thymus
- B.
Palantine tonsils
- C.
Inferior parathyroid gland
- D.
Superior parathyroid gland
- E.
A and b
- F.
A and c
- G.
B and c
Correct Answer
D. Superior parathyroid gland -
- 30.
Prominance that overlies the forebrain
Correct Answer
Frontonasal - 31.
left and right medial nasal processes fuse to form the
Correct Answer
intermaxillary process - 32.
intermaxillary process gives rise to
Correct Answer
philtrum, primary palate
primary palate, philtrum - 33.
Grow towards each other and fuse with each other and the primary palate to form the secondary palate
Correct Answer
Palatine shelves - 34.
Failure of intermaxillary prominence to fuse with maxillary prominences
Correct Answer
cleft lip - 35.
___affects rhombomere identity/ causes differential development of rhombomeres
Correct Answer
Hox genes - 36.
Prosencephalon becomes:
Correct Answer
Telencephalon, diencephalon
diencephalon, telencephalon - 37.
Rhombencephalon becomes
Correct Answer
Myelencephalon, metencephalon
Metencephalon, myelencephalon - 38.
TFs that separate the hindbrain from the mid and forebrain
Correct Answer
Otx-2, Gbx-2
Gbx-2, Otx-2 - 39.
Gbx-2 is expressed in the mid and forebrain
- A.
True
- B.
False
Correct Answer
B. False -
- 40.
Important for midbrain, metencephalon and myelencephalon identity
Correct Answer
Hox genes, isthmic organizer
isthmic organizer, Hox genes - 41.
Isthmic organizer secretes
Correct Answer
FGF8, Wnt
Wnt, FGF8 - 42.
______secretes FGF8 to establish the Telencephalon
Correct Answer
Anterior neural ridge - 43.
_____is an area in the middle of the diencephalon that secretes Shh
Correct Answer
Zona Limitans - 44.
+Otx2 +Fgf8 (no Wnt or Shh)
Correct Answer
Telencephalon - 45.
+Otx2 +Shh (no Wnt or Fgf8)
Correct Answer
Diencephalon - 46.
+Otx2 + Fgf8 +Wnt
Correct Answer
Mesencephalon - 47.
+Gbx2 +Fgf8 + Wnt
Correct Answer
Metencephalon - 48.
+Gbx2 - Fgf8 - Wnt
Correct Answer
Myelencephalon - 49.
Telencephalon
- A.
Retina
- B.
Olfactory Lobes
- C.
Cerebellum
- D.
Medulla
- E.
Midbrain
- F.
Hippocampus
- G.
Thalamus
- H.
Hypothalamus
- I.
Pons
- J.
Cerebrum
Correct Answer(s)
B. Olfactory Lobes
F. Hippocampus
J. Cerebrum -
- 50.
Metencephalon
- A.
Retina
- B.
Olfactory Lobes
- C.
Cerebellum
- D.
Medulla
- E.
Midbrain
- F.
Hippocampus
- G.
Thalamus
- H.
Hypothalamus
- I.
Pons
- J.
Cerebrum
Correct Answer
E. Midbrain -
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Jan 24, 2013Quiz Edited by
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Mar 30, 2011Quiz Created by
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