Ch 7

Question 1

The ____ controls most reflex responses and regulates involuntary behaviors such as breathing and maintenance of body position

Answer 1

Hindbrain

Question 2

The ____ is part of the _____ responsible for regulating heart rate and blood pressure

Answer 2

Medulla oblongata

Hindbrain

Question 3

The _____ love of the mammalian brain contains the olfactory cortex and auditory cortex

Answer 3

Temporal

Question 4

The vagus nerve is a _____ nerve that innervates organs such as the ____

Answer 4

Mixed

Heart

Question 5

The baroreceptor reflex is an example of ____ reflex that is elicited by information received from _____ receptors

Answer 5

An autonomic

Stretch

Question 6

The somatic motor nervous system controls ____

Answer 6

Skeletal muscle

Question 7

In the sympathetic division of the ANS l, neurotransmitter released by preganglionic fibers is _____ and the neurotransmitter released by Postganglionic fibers is

Answer 7

ACh

NE

Question 8

The ____ is part of the ____ responsible for information processing

Answer 8

Cerebrum

Forebrain

Question 9

The ____ is part of the ____ responsible for the initial formation of memory

Answer 9

Hippocampus

Forebrain

Question 10

In the parasympathetic division of the ANS, the origin of preganglionic fibers is the ____ and ganglia are located ______

Answer 10

Brainstem and spinal cord (S2-S4)

In or near target organs a simple spinal reflex goes along which f the following reflex arcs

Question 11

A simple spinal reflex goes along which of the following reflex arcs

Answer 11

Receptor, afferent neuron, integration center, efferent neuron, effector

Question 12

The ___ is a modified sympathetic ganglion that releases epinephrine and norepinephrine into the blood stream

Answer 12

Adrenal medulla

Question 13

During habituation in sea slugs, there is ____ of calcium channels in sensory neurons that leads to ____ in the release of excitatory neurotransmitter from sensory neurons

Answer 13

Inactivation

A decrease

Question 14

The ____ is part of the ____ responsible for coordination of locomotion

Answer 14

Cerebellum

Hindbrain

Question 15

Somatic reflex arcs differ from autonomic reflex arcs in that somatic reflex arcs ____

Answer 15

Contain one motor neuron in the efferent pathway

Question 16

The blood brain barrier prevents ____ in the blood from entering brain cells

Answer 16

Urea

Question 17

Animals of most phyla exhibit cephalization and a brain except for the _____

Answer 17

Cnidarians and echinoderms

Question 18

The _____ division of the _____ nervous system is active after you have eaten a meal in order to facilitate digestion of food

Answer 18

Parasympathetic

Autonomic

Question 19

Spinal nerves are composed of _____ neurons

Answer 19

Both sensory and motor

Question 20

The _____ is part of the _____ responsible for reflex responses to visual, auditory, and touch information

Answer 20

Tegmentum

Midbrain

Question 21

_____ neurons carry information from the CNS to effectors such as cardiac or smooth muscle

Answer 21

Visceral motor

Question 22

Connective tissue layer around the CNS is a _____

Answer 22

Meninge

Question 23

A group of neuron cell bodies in the peripheral nervous system is a ____

Answer 23

Ganglia

Question 24

The _____ nerve carries sensory information concerning hearing and balance

Answer 24

Vestibulocochlear

Question 25

The _____ is the part of the ____ which is important for regulation of hunger, thirst and body temp

Answer 25

Hypothalamus

Forebrain