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 - (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 - (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. - (ANSWER)D
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 - (ANSWER)D
. In a typical ovarian cycle of humans, on what day is an egg released?
A) 1
B) 7
, GSU BIOLOGY 1104 FINAL QUESTIONS AND ANSWERS 2025
C) 14
D) 21 - (ANSWER)C
True or False. Neural cells maintain a resting potential of positive, sixty millivolts.
A) True
B) False - (ANSWER)B
Which one of the following is a chemoreceptor?
A) pressure receptors in the skin.
B) hair cells in the ear
C) olfactory receptors in the nose
D) rods and cones in the eye
E) all of the above - (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. - (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 - (ANSWER)B
. 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 - (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 - (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. - (ANSWER)D
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 - (ANSWER)D
. In a typical ovarian cycle of humans, on what day is an egg released?
A) 1
B) 7
, GSU BIOLOGY 1104 FINAL QUESTIONS AND ANSWERS 2025
C) 14
D) 21 - (ANSWER)C
True or False. Neural cells maintain a resting potential of positive, sixty millivolts.
A) True
B) False - (ANSWER)B
Which one of the following is a chemoreceptor?
A) pressure receptors in the skin.
B) hair cells in the ear
C) olfactory receptors in the nose
D) rods and cones in the eye
E) all of the above - (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. - (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 - (ANSWER)B
