61) How areantiangiogenic drugs used in the treatment of
cancer?
A) These drugsstop the replication of DNA so cancer cells
cannot reproduce.
B) These drugsstop the growth of blood vessels into the
tumor, so the cells "starve" to death.
C) These drugsstop metastasis.
D) These drugsstimulate the immune system.
E) These drugsstimulate the production of free radicals,
which kill cancer cells.
62) Which of the
following is true regarding photodynamic therapy?
A) It involves the use
of light sensitive drugs to target a cancer.
B) It uses magnets to
attract beads coated with a chemotherapeutic drug to acancer.
C) It is presently used
for the treatment of cancers of the breast and ovary.
D) It inhibits
angiogenesis.
E) It involves the use
of antibodies to deliver treatments to a cancer.
63) Which ofthe following types of cancer kills the highest
percentage of people diagnosed with the condition?
A)lung
B)breast
C)prostate
D)skin
E)colon
64) A mutationin which of the following genes can lead to
breast cancer?
A) BT05
B) HeLa
C) BRCA1
D)BCG
E)BCG2
65) If angiogenesis
were not to occur, a tumor would reach the size of a ________and stop growing.
A) period on a
typewritten page (.)
B) baseball
C) grapefruit
D) pea
E) basketball
66) Not onlydoes smoking cause lung cancer, it also doubles
the risk of which of the following types of cancer?
A)stomach
B)prostate
C)bladder
67) For women with a
mutated BRCA gene, the risk of breast cancer is about 60%.However, detection
of the mutated gene can occur before cancer ever develops by
A) testing of a blood
sample.
B) screening
mammography.
C) taking a biopsy of
breast tissue.
D) a PET scan.
E) urinalysis.
68) In some cases, why
doesn%u2019t the immune system recognize and destroy acancer?
A) Cancer cells that
produce abnormal antigens sometimes shed them.
B) Cancer cells have
less surface receptors needed for proper activation of Tcells.
C) Cancer cells have
enough %u201Cself%u201D surface markers as to be identified asnormal cells.
D) Cancer cells develop
from normal cells that cannot regulate cell division.
E) all of the above are
correct.
69) Theultimate goal of the male reproductive system is to
A) ensure thatsperm is produced at the correct time,
coinciding with ovulation.
B) releasesperm into the female's reproductive system.
C) join spermwith an egg, in an environment that favors
fertilization.
D) producelarge numbers of sperm.
E) maintain thehomeostatic condition of the male's body.
70) Synthesisof new sperm cells occurs in the
A) ductusdeferens.
B)urethra.
C) prostategland.
D) epididymis.
E) seminiferous tubules.
71) Externalgenitalia
of the male reproductive system include(s)
A) theejaculatory duct.
B) the urethraand scrotum.
C) the penisand scrotum.
D) thepenis.
E) the penis,urethra, and ejaculatory duct.
72) The releaseof LH in human males signals that
A) inhibin hasinhibited FHS secretion.
B) thehypothalamus has been stimulated to release inhibin.
C) spermproduction must be reduced.
D) the positivefeedback loop that regulates sperm production
is active.
E) blood levels of
testosterone are low
