BIO 181 FINAL EXAM PRACTICE
QUESTIONS WITH VERIFIED
SOLUTIONS NEW UPDATE
Which of the following is an effect of oxytocin?
a. Stimulation of uterine contractions at birth
b. Increased reabsorption of water in the kidney
c. Stimulation of tropic hormone release
d. Increased productivity of the hypothalamus
e. Increased rate of ovulation in the ovary -- ANSWER--Stimulation of uterine
contractions at birth
The difference between osmosis and diffusion is that
a. diffusion is passive transport, whereas osmosis is active transport.
b. only in diffusion do molecules move from areas of high concentrations to
areas of low concentration.
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,c. only diffusion refers to the movement of materials across a semipermeable
membrane.
d. osmosis refers to the movement of water, whereas diffusion to the movement
of other molecules.
e. the process of osmosis varies according to the kinds of particles present. --
ANSWER--osmosis refers to the movement of water, whereas diffusion to the
movement of other molecules.
Humans have difficulty breathing at high elevations because _______ than at
low elevations.
a. O2 makes up a lower percentage of the air
b. the temperature is lower
c. the barometric pressure is higher
d. the partial pressure of O2 is lower
e. the air is drier -- ANSWER--the partial pressure of O2 is lower
The antidiuretic hormone (ADH) and oxytocin are produced by the
a. anterior pituitary and released by the posterior pituitary.
b. hypothalamus and released by the posterior pituitary.
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,c. pituitary and signal the hypothalamus.
d. hypothalamus and signal to the brain.
e. pituitary and signal to the reproductive organs. -- ANSWER--hypothalamus
and released by the posterior pituitary.
Which of the following is an effect of increased levels of antidiuretic hormone
(ADH) in the blood?
a. Letdown of milk from breast
b. Uterine contractions during birth
c. Water conservation by the kidneys
d. Production of glucose by the liver
e. Production of oxytocin by the hypothalamus -- ANSWER--Water
conservation by the kidneys
Some hormones control the activities of other endocrine glands. Which of the
following is not such a hormone?
a. Cortisol
b. Adrenocorticotropic hormone
c. Luteinizing hormone
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, d. Corticotropin-releasing hormone (CRH)
e. Follicle-stimulating hormone -- ANSWER--Cortisol
Which of the following is not a function of cortisol?
a. Metabolizing fats for energy
b. Mediating response to stress
c. Slowing down metabolism of glucose
d. Stimulating the immune response
e. Metabolizing proteins for energy -- ANSWER--Stimulating the immune
response*
Exchange of oxygen in the air is easier than in water because
a. the oxygen content of air is higher than that of water.
b. oxygen diffuses more slowly in water than in air.
c. more energy is required to move water than air because water is denser. d.
Both a and b
e. All of the above -- ANSWER--All of the above
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QUESTIONS WITH VERIFIED
SOLUTIONS NEW UPDATE
Which of the following is an effect of oxytocin?
a. Stimulation of uterine contractions at birth
b. Increased reabsorption of water in the kidney
c. Stimulation of tropic hormone release
d. Increased productivity of the hypothalamus
e. Increased rate of ovulation in the ovary -- ANSWER--Stimulation of uterine
contractions at birth
The difference between osmosis and diffusion is that
a. diffusion is passive transport, whereas osmosis is active transport.
b. only in diffusion do molecules move from areas of high concentrations to
areas of low concentration.
Page 1 of 45
,c. only diffusion refers to the movement of materials across a semipermeable
membrane.
d. osmosis refers to the movement of water, whereas diffusion to the movement
of other molecules.
e. the process of osmosis varies according to the kinds of particles present. --
ANSWER--osmosis refers to the movement of water, whereas diffusion to the
movement of other molecules.
Humans have difficulty breathing at high elevations because _______ than at
low elevations.
a. O2 makes up a lower percentage of the air
b. the temperature is lower
c. the barometric pressure is higher
d. the partial pressure of O2 is lower
e. the air is drier -- ANSWER--the partial pressure of O2 is lower
The antidiuretic hormone (ADH) and oxytocin are produced by the
a. anterior pituitary and released by the posterior pituitary.
b. hypothalamus and released by the posterior pituitary.
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,c. pituitary and signal the hypothalamus.
d. hypothalamus and signal to the brain.
e. pituitary and signal to the reproductive organs. -- ANSWER--hypothalamus
and released by the posterior pituitary.
Which of the following is an effect of increased levels of antidiuretic hormone
(ADH) in the blood?
a. Letdown of milk from breast
b. Uterine contractions during birth
c. Water conservation by the kidneys
d. Production of glucose by the liver
e. Production of oxytocin by the hypothalamus -- ANSWER--Water
conservation by the kidneys
Some hormones control the activities of other endocrine glands. Which of the
following is not such a hormone?
a. Cortisol
b. Adrenocorticotropic hormone
c. Luteinizing hormone
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, d. Corticotropin-releasing hormone (CRH)
e. Follicle-stimulating hormone -- ANSWER--Cortisol
Which of the following is not a function of cortisol?
a. Metabolizing fats for energy
b. Mediating response to stress
c. Slowing down metabolism of glucose
d. Stimulating the immune response
e. Metabolizing proteins for energy -- ANSWER--Stimulating the immune
response*
Exchange of oxygen in the air is easier than in water because
a. the oxygen content of air is higher than that of water.
b. oxygen diffuses more slowly in water than in air.
c. more energy is required to move water than air because water is denser. d.
Both a and b
e. All of the above -- ANSWER--All of the above
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