Questions And Answers
The lungs are located in the
thoracic cavity
Blood production is a function of which system?
skeletal
An x-ray technician has been asked to make an x-ray film of the liver. Which of
the abdominopelvix regions must be included?
Right hypochondriac, epigastric, and left hypochondriac
A plane through the body that divides the body into right and left sides is called:
Sagittal
An organ is one organizational layer higher than a
Tissue
When many similar cells specialized to perform a certain function, it is referred to
as an
Tissue
A frontal section divides the body into____portions.
Front and back
A plant through the body that divides the body into anterior and posterior
portions is
Coronal
Two major cavities in the human body are
ventral and dorsal
Molecules are
Atoms combine to form larger chemical aggregates
Carbon has an atomic number of six. The number of electrons found in the first
shell is
Two
The most abundant and important compound in the body is
Proteins
An example of catabolic process is
hydrolysis
Atomic mass is determined by the number of
Protons and neutrons
Which of the following elements is least likely to combine with another element?
Helium
Which of the following represents properties of water?
cohesion, high heat of vaporization, strong polarity
A solution that contains greater concentration of hydroxide Ions (OH-) than
hydrogen ions (H+) is a ______ solutions.
Alkaline (base)
, Which of the following is not one of the major elements present in the human
body?
Zinc
Acids:
proton donors, taste sour, release hydrogen ions in aqueous solutions
A specialized cell structure that propels the sperm is the:
flagellum
Which of the following describes a structure or function of the proteasome?
Breaking down abnormal and midfielder proteins released from the ER
Looks like a hollow cylindrical drum made of protein subunits
Requires the small protein called ubiquitin to pull proteins in
The fundamental organizational unit of life is the
Cell
A list of the cell fibers from largest to smallest would read:
microtubules, intermediate filaments, microfilaments
Which organelle processes and packages material to be secreted?
Golgi apparatus
The nucleoli is composed chiefly of
rRNA
The inner membrane of what double-membrane structure is contorted into folds
called cristae?
mitochondrion
The structure of cells that is associated with the enzymatic breakdown (digestion)
of foreign material is the:
lysosome
Which of the following is not a function of the smooth ER?
Provides a site of ribosome attachment
Which cell fiber serves as part of the cell muscles?
Microfilament
The mixed secretions of sebaceous and ceremonious glands form a brown waxy
substance called the:
Cerumen
Around the sixth month of pregnancy, the developing fetus is almost entirely
covered by a fine soft hair coat called the:
lanugo
A lubricating substance produced by goblet cells is called
mucus
The ____ junction "glues" the epidermis and dermis together together and
provides mechanical support for the epidermis.
Dermoepidermal
Besides water, extracellular matrix contains:
Proteins and proteoglycan
Of the many different kinds of protein compounds in the body, which is the most
abundant?
Collagen