gsu biology 1104 FINA Questions and
Correct Answers/ Latest Update / Already
Graded L
. 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
Ans: 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
Ans: E
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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.
Ans: 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
Ans: D
. In a typical ovarian cycle of humans, on what day is an egg released?
A) 1
B) 7
C) 14
D) 21
Ans: C
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True or False. Neural cells maintain a resting potential of positive, sixty
millivolts.
A) True
B) False
Ans: 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
Ans: 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.
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