What is the structure marked with an X in the MRI scan?
A) stomach
B) aorta
C) spleen
D) right kidney
E) left kidney
Answer: E
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What hormone is only present upon a successful fertilization
a. estrogen b. progesterone c. FSH d. LH e. hCG
Tina falls while climbing a tree and lands on her back. Her frightened parents take her to the emergency room, where she is examined. Her knee-jerk reflex is normal and she exhibits a plantar reflex (negative Babinski reflex). These results suggest that
A) Tina has injured one of her descending nerve tracts. B) Tina has injured one of her ascending nerve tracts. C) Tina has a spinal injury in the lumbar region. D) Tina has a spinal injury in the cervical region. E) Tina suffered no damage to her spinal cord.
Both astrocytes and microglial cells have cytoplasm extensions. Explain how you can distinguish the two types of cells microscopically
A) Astrocytes are associated with capillaries. B) Microglial cells are found in the peripheral nervous system. C) Astrocytes cover the cell bodies of unipolar neurons. D) Microglial cells myelinate the axons of motor neurons.
In hemopoiesis, granulocytes such as neutrophils are formed from the ________ line.
A. lymphoid B. monocyte C. myeloid D. killer cell