Study Guide - Lecture Test 4

Question 1

What sensory neurons carry sensory info?

Answer 1

Afferent

Question 2

What region of the brain regulates body temperature?

Answer 2

Hypothalamus

Question 3

What is the gray matter on the surface of the cerebrum?

Answer 3

Cerebral cortex

Question 4

What structure is formed when anterior and posterior roots come together?

Answer 4

Spinal nerve

Question 5

What is a cluster of neuronal cell bodies in the CNS?

Answer 5

Nucleus

Question 6

What are cells that have a receptor for a specific hormone?

Answer 6

Target cells

Question 7

What is cerebral spinal fluid resorbed by?

Answer 7

Arachnoid villi

Question 8

What occurs during repolarization?

Answer 8

Potassium channels open and potassium leaves cell

Question 9

What is the function of an interneuron?

Answer 9

Connect neurons in CNS

Question 10

What are the divisions of the ANS?

Answer 10

Sympathetic and parasympathic

Question 11

What are the regions of the brainstem?

Answer 11

Midbrain, pons, medulla oblongata

Question 12

What is the membrane potential at which an action potential is generate?

Answer 12

Threshold potential

Question 13

What are the structures of the PNS?

Answer 13

Cranial and spinal nerves

Question 14

What is the outermost meningeal layer?

Answer 14

Dura mater

Question 15

What cells provide physical support and nutrients to neurons in CNS?

Answer 15

Neuroglia

Question 16

What is the function of myelin sheath?

Answer 16

Insulates axon so action potential is faster

Question 17

What brain region helps maintain posture, balance and equilibrium?

Answer 17

Cerebellum

Question 18

What are the parts of the somatic reflex?

Answer 18

Receptor, neuron, interneuron, motor neuron, effector organ

Question 19

What kind of stimulation will decrease heart rate?

Answer 19

Parasympathic NS

Question 20

What is the white matter of the brain primarily made of?

Answer 20

Myelinated axons

Question 21

What is the structural/functional unit of NS?

Answer 21

Neuron

Question 22

What internal structure connects cerebral hemispheres?

Answer 22

Corpus callosum

Question 23

What cells form myelin sheath in the CNS?

Answer 23

Oligodendrocytes

Question 24

What is the space between the meninges surrounding the spinal cord and the vertebrae?

Answer 24

Epidural space

Question 25

What is the functional connection between a neuron and another cell called?

Answer 25

Synapse

Question 26

What structure conducts signal away from the cell body?

Answer 26

Axon

Question 27

Where are neurotransmitters stored?

Answer 27

Synaptic vesicles

Question 28

What happens if the parietal lobe is destoyed?

Answer 28

No longer receive sensations from the right side of the body

Question 29

What connective tissue bundles axons into fascicles found in a nerve?

Answer 29

Perineurium

Question 30

How many axons are on a bipolar neuron?

Answer 30

1

Question 31

The longitudinal fissure divides what into right and left hemispheres?

Answer 31

Cerebrum

Question 32

What branch of the skeletal system stimulates skeletal muscle?

Answer 32

Somatic nervous system

Question 33

Where does the spinal cord end?

Answer 33

First lumbar vertebra

Question 34

What does the ANS regulate?

Answer 34

Cardiac muscle, smooth muscle and glands

Question 35

What is the white of the eye?

Answer 35

Sclera

Question 36

What does sour taste repond to in food?

Answer 36

Hydrogen ions

Question 37

What biconcave structure focues light

Answer 37

Lens

Question 38

Where are the semicircular canals, vestibule, and cochlea located?

Answer 38

Temporal bone

Question 39

What are the receptors for color?

Answer 39

Cones

Question 40

What moves when there is sound waves in the external acoustic meatus?

Answer 40

Tympanic membrane

Question 41

What is the receptors for hearing?

Answer 41

Cochlea

Question 42

What gland releases tears?

Answer 42

Lacrimal gland

Question 43

What controls digestion defecation and diuresis?

Answer 43

Parasympathic NS

Question 44

What hormone stimulates the liver to release glucose?

Answer 44

Glucagon

Question 45

What is humoral stimulation?

Answer 45

Blood levels of a nutrient stimulates release of a hormone

Question 46

What is a chemical messenger of NS?

Answer 46

Neurotransmitter

Question 47

What hormone stimulates liver, skeletal muscle and adipose cells to remove glucose from blood?

Answer 47

Insulin

Question 48

What hormone is produced by beta cells of the pancreas?

Answer 48

Insulin

Question 49

What part of the retina lacks rods and cones and does not detect images?

Answer 49

Optic disc

Question 50

What hormone stimulates milk production?

Answer 50

Prolactin

Question 51

What class of hormones activates enzymes present within the cytoplasm in order to change cellular metabolism?

Answer 51

Protein

Question 52

What stimulates sperm production?

Answer 52

Follicle Stimulation Hormone

Question 53

What increases reabsorpotion?

Answer 53

Antidiuretic hormone

Question 54

What stimulates growth and development?

Answer 54

Growth hormone

Question 55

What stimulates metabolism?

Answer 55

Thyroid hormone

Question 56

What increases blood sugar levels?

Answer 56

Cortisol

Question 57

What lines the cavities of the brain and spinal cord?

Answer 57

ependymal cells

Question 58

What protects nueron cell bodies in ganglia?

Answer 58

satellite cells

Question 59

What form myelin sheath around axons in PNS?

Answer 59

Schwann cells

Question 60

What part of the brain controls hearing and smell?

Answer 60

Temporal lobe

Question 61

What part of the brain controls breathing, BP, and HR?

Answer 61

Medulla

Question 62

What part of the brain initiates voluntary muscle movement?

Answer 62

Frontal lobe

Question 63

What part of the brain is a relay station for sensory information?

Answer 63

Thalamus

Question 64

What hormone does the posterior pituitary gland produce?

Answer 64

Oxytocin

Question 65

What hormone do the testes produce?

Answer 65

Testosterone

Question 66

What hormone does the anterior pituitary gland produce?

Answer 66

Growth hormone

Question 67

Which concentration gradient contributes to the resting membrane potential of a cell?

Answer 67

Gradients for sodium and potassium

Question 68

What is the CNS composed of?

Answer 68

Brain and spinal cord

Question 69

Where is action potential first developed?

Answer 69

Trigger zone

Question 70

What is the process to release a neurotrasmitter?

Answer 70

Exocytosis