1) which of the following statements about the process of hearing is true?
a. hearing is not dependent on the inner ear.
b. all parts of the organ of corti hear all ranges of sound.
c. loud music cannot damage your ears.
d. hearing is dependent on mechanical pressure.
e. sound is similar to light insofar as it is transmitted through the vacuum of space.
2) the region that contains the genetic information in a bacterial cell is called the
a. nucleus.
b. nucleoid.
c. nucleolus.
d. nucleosome.
e. nucleoprotein.
3) which of the following lists the correct order of vertebral regions from superior to
inferior?
a. thoracic-lumbar-sacrum-cervical-coccyx
b. cervical-lumbar-sacrum-thoracic-coccyx
c. cervical-thoracic-lumbar-sacrum-coccyx
d. lumbar-sacrum-cervical-thoracic-coccyx
e. sacrum-cervical-thoracic-lumbar-coccyx
4) which feature is not associated with aging of the musculoskeletal system?
a. a decrease in the muscle mass starting in the 20s or 30s for men.
b. a two inch decrease in height by the time we reach age 80.
c. a reduction in the size and number of muscle fibers.
d. compression of the vertebrae.
e. all of these are features associated with aging.
5) which of the following associations of std etiologic agent and clinical presentation is
not correct?
a. candida – vaginal yeast infection
b. treponema pallidum – chancre, blindness, insanity
c. chlamydia – mild burning on urination, mucoid discharge, possible pelvic
inflammatory disease
d. hepatitis viruses – liver infections and inflammation
6) a testcross involves an individual exhibiting the dominant phenotype but an unknown
genotype being crossed with an individual that has a(n) ___________ genotype.
a. homozygous dominant
b. heterozygous dominant
c. homozygous recessive
d. any of the choices
7) which of the following would be a proposed mechanism by which stomach antacids
work?
a. antacids dilute the solution, therefore lowering the ph.
b. antacids are bases and by definition can absorb h+ out of a solution.
c. antacids are bases and by definition can absorb oh- out of a solution.
d. antacids contain mostly water and so they neutralize the solution.
8) all of the conditions under which an organism could conceivably survive and
reproduce constitute its
a. habitat.
b. realized niche.
c. fundamental niche.
d. resource partition.
9) social research indicates that a person is most likely to marry someone from the same
village or city, or a high school or college classmate. therefore, the hardy-weinberg
equilibrium does not apply well to human populations because
a. allelic changes in one direction are balanced by changes in the opposite direction.
b. there is no directional trend in selection of mates since most individuals marry
someone.
c. individuals are not pairing up by chance across the whole population.
d. this increases gene flow.
e. we accumulate adaptive traits that improve the population.
10) which piece of evidence best supports the endosymbiotic theory of organelle
evolution?
a. mitochondria and chloroplast are the same size as bacteria.
b. mitochondria and chloroplast divide by binary fission.
c. mitochondria and chloroplast both contain dna and some can make their own
proteins.
d. the outer membrane of chloroplast and mitochondria resemble that of a eukaryotic
cell while the inner membrane resembles that of a bacterial cell.
e. all of the above are correct.
11) which of the following cases is not an example of classical conditioning?
a. an advertiser using an attractive model to sell their line of clothing.
b. giving a hunting dog an electric shock when it does not return to the owners side on
command.
c. a baby crying when their diaper is wet and the parent picking them up.
d. all of the above are examples of classical conditioning.
e. none of the above are examples of classical conditioning.
12) describe the events that occur in the clotting of blood by choosing the correct
sequence of statements that outlines the process.
1> platelets and injured tissue release prothrombin activator.
2> the activated fragments join end-to-end, forming long threads.
3> platelets clump at the sight of puncture and partially seal the leak.
4> fibrin threads wind around the platelet plug in the damaged area and provide a
framework for the clot.
5> thrombin, acting as an enzyme, severs two amino acid chains (activated fragments)
from each fibrinogen molecule.
6> prothrombin activator converts prothrombin to thrombin.
7. red blood cells are trapped within the fibrin framework forming a clot.
a. sequence: 7, 4, 5, 2, 3, 1, 6
b. sequence: 3, 1, 6, 5, 2, 4, 7
c. sequence: 4, 5, 6, 7, 3, 2, 1
d. sequence: 1, 2, 6, 7, 4, 3, 5