The adaptive significance of the crossed extensor reflex when a person steps on a tack is to
A. slow the rate of removal of the foot from the tack.
B. prevent the person from falling down.
C. reduce the pain sensations.
D. remove the foot from the tack.
E. increase the rate at which withdrawal of the limb occurs.
Answer: B
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When a patient is experiencing a fever, the ________ resets the body's temperature set point
A) Brain B) Pituitary gland C) Hypothalamus D) Adrenal gland
The portion of the uterus that projects into the vagina is called the
A) fundus. B) cervix. C) horn. D) body. E) isthmus.
Carbonic acid is referred to as ________ acid because it is produced from a gas that evaporates quickly.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements regarding endocytosis or exocytosis is correct?
A. Pinocytosis is a form of exocytosis; phagocytosis is a type of endocytosis. B. Pinocytosis and phagocytosis are both types of exocytosis. C. Pinocytosis is a form of endocytosis; phagocytosis is a type of exocytosis. D. Endocytosis is a method by which large molecules may be secreted from a cell. E. Exocytosis is a method by which large molecules may be secreted from a cell.