Deck 1: Introduction

Question 1

Which developmental signaling pathway is frequently mutated in patients with colon cancer?

A) FGF
B) WNT
C) SHH
D) BMP
E) PDGF

Answer 1

B

Question 2

A child exhibiting early symptoms of progeria undergoes genetic testing.A gene coding for which protein is likely to be mutated?

A) Laminin
B) Fibronectin
C) Collagen
D) Lamin-A
E) Insulin

Answer 2

D

Question 3

The period of the fetus occurs during which weeks postfertilization?

A) 1-4
B) 1-8
C) 1-12
D) 5-38
E) 9-38
F) 13-38

Answer 3

E

Question 4

Which phase of embryogenesis is characterized by extensive cell rearrangements that result in formation of a multilayered embryo?

A) Organogenesis
B) Cleavage
C) Oogenesis
D) Spermatogenesis
E) Fertilization
F) Gastrulation

Question 5

A fetus is examined in utero by ultrasound,and a defect of its ventral body wall is noted.The location of the defect corresponds to which surface of the adult?

A) Superior
B) Anterior
C) Medial
D) Posterior
E) Lateral
F) Inferior