complete solution
. 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
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.
B) hair cells in the ear
C) olfactory receptors in the nose
D) rods and cones in the eye