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GSU BIOLOGY 1104 FINAL QUESTIONS
AND ANSWERS 2025
. Communication between neurons at synapses relies on
A) release of neurotransmitters from a pre-synaptic neuron
B) binding of neurotransmitters to receptors on dendrites
C) diffusion
D) All of the above
E) only A and B - correct answer- D
Which one of the following hormones is released by the
posterior pituitary?
A) TSH
B) gonadotropin releasing hormone
C) growth hormone
D) adrenaline
E) none of the above - correct answer- E
The region of the brain that controls involuntary actions such as
breathing and "muscle memory" is the:
A) thalamus B) cerebrum. C) midbrain D) hindbrain. - correct
answer- D
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Which pair of hormones is responsible for keeping blood
calcium levels within normal ranges in some animals?
A) thyroxine and thymosin
B) aldosterone and insulin
C) ADH and growth hormone
D) calcitonin and parathyroid hormone
E) insulin and glucagon - correct answer- D
. In a typical ovarian cycle of humans, on what day is an egg
released?
A) 1
B) 7
C) 14
D) 21 - correct answer- C
True or False. Neural cells maintain a resting potential of
positive, sixty millivolts.
A) True
B) False - correct answer- B
Which one of the following is a chemoreceptor?
A) pressure receptors in the skin.
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B) hair cells in the ear
C) olfactory receptors in the nose
D) rods and cones in the eye
E) all of the above - correct answer- C
Brain tumors result from uncontrolled cell division. Yet in adult
humans, most neurons in the brain do not divide at all. Which of
the following explains this?
A) Brain tumors usually occur due to unstoppable division of
bone cells.
B) Brain tumors are usually formed from glial cells, the
supporting cells of the brain, which divide regularly.
C) When the brain is exposed to certain chemicals,
uncontrolled cell division is triggered in neurons.
D) Brain tumors are usually the result of unstoppable cell
division among the muscle cells of the neck and face that grow
into the brain cavity. - correct answer- B
Ugh. Someone failed to flush the toilet again in Langdale Hall.
The urine in the toilet is dark yellow. What could you conclude
about the person who left their urine for you to flush?
A) Their ADH levels are below average.
B) Their ADH levels are relatively high.
C) Their hypothalamus is secreting high levels of ADH-RH.
D) both B and C - correct answer- B
GSU BIOLOGY 1104 FINAL QUESTIONS
AND ANSWERS 2025
. Communication between neurons at synapses relies on
A) release of neurotransmitters from a pre-synaptic neuron
B) binding of neurotransmitters to receptors on dendrites
C) diffusion
D) All of the above
E) only A and B - correct answer- D
Which one of the following hormones is released by the
posterior pituitary?
A) TSH
B) gonadotropin releasing hormone
C) growth hormone
D) adrenaline
E) none of the above - correct answer- E
The region of the brain that controls involuntary actions such as
breathing and "muscle memory" is the:
A) thalamus B) cerebrum. C) midbrain D) hindbrain. - correct
answer- D
,2 | Page
Which pair of hormones is responsible for keeping blood
calcium levels within normal ranges in some animals?
A) thyroxine and thymosin
B) aldosterone and insulin
C) ADH and growth hormone
D) calcitonin and parathyroid hormone
E) insulin and glucagon - correct answer- D
. In a typical ovarian cycle of humans, on what day is an egg
released?
A) 1
B) 7
C) 14
D) 21 - correct answer- C
True or False. Neural cells maintain a resting potential of
positive, sixty millivolts.
A) True
B) False - correct answer- B
Which one of the following is a chemoreceptor?
A) pressure receptors in the skin.
, 3 | Page
B) hair cells in the ear
C) olfactory receptors in the nose
D) rods and cones in the eye
E) all of the above - correct answer- C
Brain tumors result from uncontrolled cell division. Yet in adult
humans, most neurons in the brain do not divide at all. Which of
the following explains this?
A) Brain tumors usually occur due to unstoppable division of
bone cells.
B) Brain tumors are usually formed from glial cells, the
supporting cells of the brain, which divide regularly.
C) When the brain is exposed to certain chemicals,
uncontrolled cell division is triggered in neurons.
D) Brain tumors are usually the result of unstoppable cell
division among the muscle cells of the neck and face that grow
into the brain cavity. - correct answer- B
Ugh. Someone failed to flush the toilet again in Langdale Hall.
The urine in the toilet is dark yellow. What could you conclude
about the person who left their urine for you to flush?
A) Their ADH levels are below average.
B) Their ADH levels are relatively high.
C) Their hypothalamus is secreting high levels of ADH-RH.
D) both B and C - correct answer- B
