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Question 1 of 32
Some of the hormones produced by the anterior pituitary have
an effect on other glands. Which of the following does not?

A.LH

B.ACTH

C.growth hormone

D.TSH

E.gonadotropic
hormone

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Question 2 of 32
Why is the pancreas both an endocrine and an exocrine gland?

A.because it
produces both a neurotransmitter and a hormone

B.because it
produces more than one hormone

C.because it
produces at least one hormone that is delivered through a duct and one that is
delivered to the bloodstream
D.because it has an
outer cortex and an inner medulla

E.because it is
located within the abdominal cavity with ties to the gastrointestinal system

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Question 3 of 32
Which of the following is a feature of an endocrine gland?

A.secretes a hormone
directly into the bloodstream

B.secretes a hormone into a gland or duct

C.the product of
these glands is carried into the lumen of an organ
D.characterized by
the salivary glands

E.they do not
respond to a negative feedback system

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Question 4 of 32
The thyroid gland is located

A.in the neck.

B.in the brain.

C.on top of the
kidneys.

D.near the ovaries
or testes.

E.near the small
intestines.

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Question 5 of 32
Which pancreatic hormone stimulates the uptake of glucose by
cells?

A.insulin

B.glucagon

C.estradiol

D.epinephrine

E.cortisol

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Question 6 of 32
Which of the following statements is not true concerning the
hypothalamus?

A.The hypothalamus
acts as the link between the nervous and endocrine systems.

B.The hypothalamus
regulates the internal environment of the body.

C.The hypothalamus
communicates with the somatic nervous system.

D.The hypothalamus
controls the glandular secretions of the pituitary gland.

E.The hypothalamus
produces antidiuretic hormone and oxytocin.

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Question 7 of 32
What is the function of melatonin?

A.regulate blood
glucose levels

B.regulate blood
calcium levels

C.aid in the
differentiation of T lymphocytes
D.control the daily
sleep-wake cycle

E.control the color
of the skin

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Question 8 of 32
Which of the following is not produced by the adrenal
glands?

A.epinephrine

B.norepinephrine

C.glucagon

D.glucocorticoids

E.mineralocorticoids

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Part 2 of 6 – 18.0/
21.0 Points

Question 9 of 32
What does being overweight have to do with infertility in
women?

A.Leptin levels are
higher which impacts GnRH and FSH.

B.The oviducts are
blocked.

C.Uterine tissue is
located outside of the uterus causing pain and structural abnormalities.
D.Follicles are
larger than normal and many mature at one time.

E.The uterus is
displaced and the zygote has difficulty implanting.

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Question 10 of 32
Menstruation occurs during what days of the uterine cycle?

A.days 1-5

B.days 1-13

C.days 6-13

D.days 15-28
E.days 28-32

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Question 11 of 32
During implantation, the zygote can be found

A.in the
endometrium.

B.in the oviduct.

C.in the abdominal
cavity.

D.in the labium
majora.

E.in the labium
minora.

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Question 12 of 32
Where does fertilization of the egg normally occur?

A.ovary

B.abdominal cavity

C.fimbria

D.oviduct

E.vagina

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Question 13 of 32
Which of the following is a protist that causes an STD?

A.Chlamydia
trachomatis

B.Neisseria
gonorrhoeae

C.Trichomonas
vaginalis

D.Candida albicans

E.Gardnerella
vaginosis

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Question 14 of 32 0.0/
3.0 Points
Which of the following is not part of the male reproductive
system?

A.testes

B.bladder

C.epididymides

D.prostate gland
E.urethra

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Question 15 of 32
Meiosis is to gametes as fertilization is to

A.zygote.

B.chromosome.

C.egg.

D.sperm.

E.mitosis.

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Part 3 of 6 – 21.0/
21.0 Points

Question 16 of 32
The adhering follicular cells that surround the egg are
called the

A.pronuclei.

B.zona pellucida.

C.corona radiata.

D.cortical granule
cells.

E.outer cell mass.

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Question 17 of 32
The umbilical arteries carry

A.oxygen-rich blood
to the developing fetus.

B.oxygen-rich blood
to the placenta.

C.oxygen-poor blood
to the developing fetus.
D.oxygen-poor blood
to the placenta.

E.oxygen-rich blood
to the mother.

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Question 18 of 32
When cells take on specific structure and function, this is
called

A.cleavage.

B.growth.

C.morphogenesis.

D.differentiation.

E.fertilization.

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Question 19 of 32
Which of the following gives the correct order of layers the
sperm crosses when entering the egg?

A.corona radiata,
zona pellucida, oocyte plasma membrane

B.zona pellucida,
oocyte plasma membrane, corona radiata

C.oocyte plasma
membrane, corona radiata, zona pellucida

D.corona radiata,
oocyyte plasma membrane, zona pellucida

E.zona pellucida,
corona radiata, oocyte plasma membrane

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Question 20 of 32
Which of the following does not occur prior to or during
stage 1 of labor?

A.bloody show

B.effacement

C.uterine
contractions

D.breaking water

E.dislodging of the
placenta

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Question 21 of 32
Which of the following occurs during the embryonic stage of
development?

A.Chorion appears.

B.Nose, eyes, and
ear become noticeable.

C.Testes descend
into scrotum.

D.Heartbeat can be
heard.

E.Fingernails
appear.

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Question 22 of 32
The _______ is the first embryonic membrane to appear, and
it is the first site of ___________.

A.amnion, umbilical
cord formation

B.yolk sac, placenta
development

C.chorion, neural
system development

D.allantois,
amniotic fluid formation

E.yolk sac, blood
cell formation

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Part 4 of 6 – 21.0/
21.0 Points

Question 23 of 32
The channels that provide for the movement of potassium in
the resting neuron are _______.

A.leakage and
chemically gated

B.leakage

C.chemically gated

D.voltage gated

Question 24 of 32
The period of time when the neuron is totally insensitive to
further stimulation and cannot generate another action potential is

A.relative
refractory period

B.membrane potential

C.absolute
refractory period

D.repolarization

Question 25 of 32
During the absolute refractory period, a neuron would need
to be depolarized by _____ mV before another action potential could be
generated.

A.50 mV

B.75 mV

C.100 mV

D.Another action
potential cannot be generated

Question 26 of 32
The minimum voltage that is required to generate an action
potential is called the _______.

A.propagation
voltage

B.depolarization
voltage

C.trigger voltage

D.threshold voltage

Question 27 of 32
When measuring refractory periods, as the interval between
stimuli decreases, the depolarization needed to generate the second action
potential:

A.decreases

B.stays the same

C.increases

Question 28 of 32
What effect did decreasing the extracellular sodium have on
the resting membrane potential?

A.The resting
membrane potential disappeared.

B.The resting
membrane potential became less negative.

C.Only a small
change occurred, because the sodium channels were mostly open.

D.Only a small
change occurred, because the resting neuron is not very permeable to sodium.

Question 29 of 32
What is the major cation found inside the the typical nerve
cell at rest?

A.chloride

B.sodium

C.potassium

D.acetylcholine

Part 5 of 6 –
Answer the following question in your own words without
using any resources. Your answer should be written in complete sentences using
correct grammar, spelling, and terminology.

Question 30 of 32
Define the term “threshold.”

Question 31 of 32
Briefly explain why an action potential cannot be initiated
during the absolute refractory period.

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