31) The cervical region is the
A) thigh.
B) calf.
C) neck.
D) head.
32) The "CT" in "CT scanning" stands for
A) cut transversely.
B) Charles Thorgaard, the inventor's name.
C) correlated thickness.
D) computed tomography.
33) What is the function of serous membranes?
A) They act like wrapping paper to hold visceral organs together.
B) They contain gland cells that secrete mucus.
C) They halt the spread of infection.
D) They reduce friction so that viscera move freely.
34) The dorsal hollow nerve cord
A) develops into the brain and spinal cord.
B) is a primitive supporting rod.
C) contains the notochord.
D) is the same as the human backbone.
35) The main purpose of fixation is
A) to preserve the tissue.
B) to mend breaks in tissue sections.
C) to make an organ easier to section.
D) to stick tissue sections to a glass slide.
36) A histologist examines a specimen that has an epithelium overlying some smooth muscle. This specimen is part of
A) a molecule.
B) a cell.
C) a tissue.
D) an organ.
37) An example of a tissue in the body is
A) the stomach.
B) a muscle cell.
C) epithelium.
D) a macromolecule.
38) An example of an organ is
A) a fat cell.
B) the intestine.
C) epithelium.
D) the cardiovascular system (but not the circulatory system).
39) Which organ system consists of vessels that do not carry blood, but pick up fluids (and some cells) that are leaked from the blood?
A) urinary
B) endocrine
C) integumentary
D) lymphatic
40) Large molecules such as proteins are called
A) cells.
B) macromolecules.
C) multi-atom units.
D) cellular organelles.