Which fetal shunt bypasses the lungs by directly connecting the right atrium and the left atrium?
A) ligamentum arteriosum
B) umbilical vein
C) foramen ovale
D) ductus arteriosus
E) ductus venosus
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Question 2) The sciatic nerve splits to form which two nerves?
A) pudendal and femoral nerves
B) femoral and tibial nerves
C) pudendal and common peroneal nerves
D) common fibular and tibial nerves
E) pudendal and tibial nerves
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Question 3) What does the umbilical vein carry?
A) metabolic wastes and carbon dioxide from the fetus to the placenta
B) metabolic wastes and carbon dioxide from the placenta to the fetus
C) oxygen and nutrients from the fetus to the placenta
D) oxygen and nutrients from the placenta to the fetus
E) blood from the navel into the inferior vena cava
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Question 4) Which of the following is NOT a major nerve of the brachial nerve plexus?
A) radial
B) axillary
C) musculocutaneous
D) median
E) phrenic
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Question 5) The brachial vein ________.
A) drains blood from the radial and ulnar veins, then empties that blood into the axillary vein
B) drains blood from the internal jugular vein, then empties that blood into the superior vena cava
C) drains blood from the popliteal vein, then empties that blood into the external iliac vein
D) drains blood from the axillary vein, then empties that blood into the superior vena cava
E) drains blood from the popliteal vein, then empties that blood into the femoral vein
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Question 6) Which nervous system subdivision is a chain of two motor neurons consisting of a preganglionic neuron and a postganglionic neuron?
A) somatic
B) central
C) autonomic
D) skeletal
E) sensory
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Question 7) What organ receives blood from the hepatic portal vein?
A) liver
B) kidney
C) pancreas
D) large intestine
E) brain
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Question 8) Which cranial nerve transmits impulses for the senses of hearing and balance?
A) oculomotor
B) vestibulocochlear
C) hypoglossal
D) accessory
E) glossopharyngeal
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Question 9) Which vein returns blood to the femoral vein?
A) popliteal vein
B) common iliac vein
C) superior vena cava
D) hepatic portal vein
E) external iliac vein
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Question 10) The ventral rami of the spinal nerves form a complex network of nerves known as a ________.
A) ganglion
B) reflex
C) plexus
D) tract
E) fascicle
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