The period from conception until birth is the ________ period.
A. embryonic
B. conceptual
C. prenatal
D. germinal
E. fetal
Answer: C
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Which of the following is not true regarding the vertebral canal?
A) It encloses the spinal cord. B) It is formed by vertebral foramina of successive vertebrae. C) The anterior border is the vertebral body. D) It is found only in cervical and thoracic vertebrae. E) The posterior border is the vertebral arch.
A 16-year-old boy with a ruptured spleen comes to the emergency department for splenectomy. Soon after ligation of the splenic artery just distal to its origin, a surgi- cal resident observes that the patient is heal- ing normally. Normal blood flow would occur in which of the following arteries?
(A) Short gastric arteries (B) Dorsal pancreatic artery (C) Inferior pancreaticoduodenal artery (D) Left gastroepiploic artery (E) Artery in the lienorenal ligament
An example of a sesamoid bone is the ________
A) radius B) pubis C) patella D) clavicle
Receptor molecules
A. are always lipids. B. determine whether a neurotransmitter will be excitatory or inhibitory. C. attach to the synaptic cleft. D. are not attached to ligand-gated channels. E. are nonspecific.