It is normal for breasts to shrink after lactation ceases. This is a consequence of ________ in human breast cells.
A. necrosis
B. infarction
C. atrophy
D. apoptosis
E. gangrene
Answer: D
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List and briefly describe the four general properties of adaptive immunity
You examine a patient in the emergency department following a bee sting to the bridge of her nose. Both of the patient's eyes are swollen shut because:
A) the sting interfered with the nerve that raises the eyelid. B) the sting blocked lymph drainage from the region. C) the face is characterized by very cutaneous veins that ruptured from the sting. D) the face is characterized by very cutaneous arteries that ruptured from the sting. E) the face is characterized by very loose subcutaneous connective tissue that allows accumulation of excessive fluid with inflammation.
Which stage of the cell cycle is characterized by DNA replication?
A) Anaphase B) Metaphase C) Telophase D) Interphase E) Prophase
Rods, a type of photoreceptor cell, respond to light (stimulus) by
A. hypopolarizing. B. hyperpolarizing. C. depolarizing. D. repolarizing. E. opening Na+ channels in the plasma membrane.