BIO 264 EXAM 4 SCRIPT COMPLETE
ANSWERS GRADED A+
◉ A golgi tendon reflex
Answer: prevents contracting muscles from applying excessive
tension to tendons
◉ The sensory receptor that detects muscle stretching is the
________.
Answer: muscle spindles
◉ The knee-jerk reflex is an example of a
Answer: stretch reflex
◉ _____________ is/are the neurotransmitter(s) associated with
autonomic ganglia.
Answer: Acetylcholine
◉ The excitatory or inhibitory effect of a postganglionic
sympathetic fiber is determined MOSTLY by which of the
following features or structures:
Answer: The function of the postsynaptic receptor to which it
binds
,◉ The binding of _____________ to a nicotinic receptor will
_____________ it.
Answer: acetylcholine; excite
◉ ____________ postganglionic neurons release acetylcholine as a
neurotransmitter.
Answer: Parasympathetic
◉ A cholinergic neuron
Answer: A cholinergic neuron
◉ What type of response occurs when acetylcholine binds with a
nicotinic receptor?
Answer: an excitatory response
◉ When the postganglionic cells of the adrenal medulla are
stimulated, they release _____________.
Answer: epinephrine and norepinephrine.
◉ _____________ binds to muscarinic receptors.
Answer: Muscarine and Acetylcholine
◉ The preganglionic neurons of the parasympathetic division
secrete the neurotransmitter, ________________, and the
, postganglionic neurons of the parasympathetic division secrete
the neurotransmitter, _________________.
Answer: acetylcholine, acetylcholine
◉ When acetylcholine binds to nicotinic receptors,
Answer: Na+ channels open.
◉ A _____________ neuron synapses in the adrenal medulla and
releases _____________ as a neurotransmitter.
Answer: preganglionic; acetylcholine
◉ adrenergic receptors
Answer: They can be activated by the release of epinephrine.
◉ The receptors found on all postganglionic neurons in
autonomic ganglia are ___________.
Answer: nicotinic receptors. cholinergic receptors.
◉ Which of the following substances is a catecholamine?
A) norepinephrine
B) acetylcholine
ANSWERS GRADED A+
◉ A golgi tendon reflex
Answer: prevents contracting muscles from applying excessive
tension to tendons
◉ The sensory receptor that detects muscle stretching is the
________.
Answer: muscle spindles
◉ The knee-jerk reflex is an example of a
Answer: stretch reflex
◉ _____________ is/are the neurotransmitter(s) associated with
autonomic ganglia.
Answer: Acetylcholine
◉ The excitatory or inhibitory effect of a postganglionic
sympathetic fiber is determined MOSTLY by which of the
following features or structures:
Answer: The function of the postsynaptic receptor to which it
binds
,◉ The binding of _____________ to a nicotinic receptor will
_____________ it.
Answer: acetylcholine; excite
◉ ____________ postganglionic neurons release acetylcholine as a
neurotransmitter.
Answer: Parasympathetic
◉ A cholinergic neuron
Answer: A cholinergic neuron
◉ What type of response occurs when acetylcholine binds with a
nicotinic receptor?
Answer: an excitatory response
◉ When the postganglionic cells of the adrenal medulla are
stimulated, they release _____________.
Answer: epinephrine and norepinephrine.
◉ _____________ binds to muscarinic receptors.
Answer: Muscarine and Acetylcholine
◉ The preganglionic neurons of the parasympathetic division
secrete the neurotransmitter, ________________, and the
, postganglionic neurons of the parasympathetic division secrete
the neurotransmitter, _________________.
Answer: acetylcholine, acetylcholine
◉ When acetylcholine binds to nicotinic receptors,
Answer: Na+ channels open.
◉ A _____________ neuron synapses in the adrenal medulla and
releases _____________ as a neurotransmitter.
Answer: preganglionic; acetylcholine
◉ adrenergic receptors
Answer: They can be activated by the release of epinephrine.
◉ The receptors found on all postganglionic neurons in
autonomic ganglia are ___________.
Answer: nicotinic receptors. cholinergic receptors.
◉ Which of the following substances is a catecholamine?
A) norepinephrine
B) acetylcholine
