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The umbilical vein is continuous with wich major systematic blood vessel in the

ID: 47793 • Letter: T

Question

The umbilical vein is continuous with wich major systematic blood vessel in the fetus?

a. superior vena cava

b. inferior vena cava

c. hepatic portal vein

d. pulmonary vein

e. posterior cardinal vein

The Mullerian duct

a. arises from the pronephric duct

b. is the mesonephric duct that becomes the sperm duct and is associated with developing testis

c. is a seperate duct that develops along the mesonepphric and becomes the oviduct

d. d. A and B only

e. none of the above

The ureteric bud

a. is an outpocketing of the pronephric duct

b. will grow chemotactically towards the metanphrogenic mesoderm

c. will form the ureter and renal pelvis of the metanphetic kidney

d. B and C only

e. All are correct

Cyclic AMP can most correctly be defined as a

a. first messenger

b. an enzyme that inhibits adenylate cyclase

c. a phosphotase

d. a second messenger

Explanation / Answer

The umbilical vein is continuous with wich major systematic blood vessel in the fetus?

b. inferior vena cava

Umbellical vein carries oxygenated blood and nutrients to the foetus. This vessels directly supplies the heart and enter through inferior vena cava.