Question 1

Which is the correct path that light takes from the environment to the photoreceptors of a human eye?

Accepted Answer

A) cornea →  pupil →  lens →  vitreous body →  retina 
B) pupil →  cornea →  lens →  vitreous body →  retina 
C) cornea →  pupil →  lens →  retina →  vitreous body 
D) lens →  pupil →  cornea →  vitreous body →  retina 
E) cornea →  lens →  pupil →  vitreous body →  retina 
A) cornea →  pupil →  lens →  vitreous body →  retina 
B) pupil →  cornea →  lens →  vitreous body →  retina 
C) cornea →  pupil →  lens →  retina →  vitreous body 
D) lens →  pupil →  cornea →  vitreous body →  retina 
E) cornea →  lens →  pupil →  vitreous body →  retina

Question 2

Match between columns
                        Premises: where an axon terminal transmits a chemical signal to an adjacent cell

Accepted Answer

The Answer of sensory neuron and neurotransmitter and meninges and is...

Question 3

Match between columns
                        Premises: initiates and controls skeletal muscle activity; governs memory, emotions, and abstract thought

Accepted Answer

The Answer of cerebrum and pons and thalamus and cerebellum is...

Question 4

Action potentials ____.

Accepted Answer

A) can move up or down an axon, away from or towards the cell body 
B) move in a one way direction towards the cell body 
C) move in a one way direction away from the cell body 
D) can jump from cell to cell 
E) occur only once 
A) can move up or down an axon, away from or towards the cell body 
B) move in a one way direction towards the cell body 
C) move in a one way direction away from the cell body 
D) can jump from cell to cell 
E) occur only once

Question 5

Match between columns
                        Premises: the psychoactive ingredient in marijuana mimics this neurotransmitter

Accepted Answer

The Answer of dopamine and adenosine and endorphins and anandamide is...

Question 6

Rod cells differ from cone cells in that ____.

Accepted Answer

A) rod cells respond to changes in light intensity, and cone cells detect very dim light 
B) rod cells contain pigments which enable the perception of color, and cone cells respond to changes in light intensity 
C) rod cells respond to changes in light intensity, and cone cells contain pigments which allow for the perception of color 
D) rod cells are responsible for acute daytime vision, and cone cells detect very dim light 
E) rod cells communicate directly with signal processing cells, and cone cells do not. 
A) rod cells respond to changes in light intensity, and cone cells detect very dim light 
B) rod cells contain pigments which enable the perception of color, and cone cells respond to changes in light intensity 
C) rod cells respond to changes in light intensity, and cone cells contain pigments which allow for the perception of color 
D) rod cells are responsible for acute daytime vision, and cone cells detect very dim light 
E) rod cells communicate directly with signal processing cells, and cone cells do not.

Question 7

The shortage of the neurotransmitter that causes Parkinson's disease occurs in the region of the brain that controls ____.

Accepted Answer

A) memory 
B) motor function 
C) understand 
D) sensory perception 
E) hearing 
A) memory 
B) motor function 
C) understand 
D) sensory perception 
E) hearing

Question 8

Match between columns
                        Premises: caffeine binds to and prevents the function of this neurotransmitter

Accepted Answer

The Answer of endorphins and dopamine and acetylcholine and GABA is...

Question 9

The ____ of the eye focuses light on the eye's photoreceptors. In the above diagram of the eye, which letter identifies it?

Accepted Answer

A) retina; C 
B) lens; B 
C) lens; A 
D) fovea; D 
E) retina; B 
A) retina; C 
B) lens; B 
C) lens; A 
D) fovea; D 
E) retina; B

Question 10

The region of the brain with the highest concentration of neurons is the ____.

Accepted Answer

A) hypothalamus 
B) cerebrum 
C) cerebellum 
D) pons 
E) medulla oblongata 
A) hypothalamus 
B) cerebrum 
C) cerebellum 
D) pons 
E) medulla oblongata

Question 11

A neuron ____.

Accepted Answer

A) communicates with other cells via electrical signaling only 
B) communicates with other cells via chemical signaling only 
C) communicates with other cells via a combination of electrical and chemical signaling 
D) is not involved in direct communication with other cells 
E) communicates via glial cells 
A) communicates with other cells via electrical signaling only 
B) communicates with other cells via chemical signaling only 
C) communicates with other cells via a combination of electrical and chemical signaling 
D) is not involved in direct communication with other cells 
E) communicates via glial cells

Question 12

The temporal lobe of the cerebral cortex ____.

Accepted Answer

A) governs speech production 
B) is the vision center 
C) is associated with memory storage 
D) is responsible for hearing and smell 
E) is the primary motor area 
A) governs speech production 
B) is the vision center 
C) is associated with memory storage 
D) is responsible for hearing and smell 
E) is the primary motor area

Question 13

Language and abstract thought are possible due to the ____.

Accepted Answer

A) cerebellum 
B) pons 
C) cerebral cortex 
D) medulla oblongata 
E) midbrain 
A) cerebellum 
B) pons 
C) cerebral cortex 
D) medulla oblongata 
E) midbrain

Question 14

Referring to the above diagram of the brain, which letter identifies the region responsible for relaying sensory input to the forebrain and functions in reward-based learning?

Accepted Answer

A) ​A 
B) ​B 
C) ​C 
D) ​D 
E) ​E 
A) ​A 
B) ​B 
C) ​C 
D) ​D 
E) ​E

Question 15

Match between columns
                        Premises: a shortage of this neurotransmitter causes Parkinson's disease

Accepted Answer

The Answer of adenosine and anandamide and dopamine and endorphins is...

Question 16

The peripheral nervous system ____.

Accepted Answer

A) carries signals to and from the central nervous system 
B) is composed of the brain and spinal cord 
C) is composed of clusters of neuron cell bodies 
D) includes sensory neurons only 
E) is present in radial invertebrates 
A) carries signals to and from the central nervous system 
B) is composed of the brain and spinal cord 
C) is composed of clusters of neuron cell bodies 
D) includes sensory neurons only 
E) is present in radial invertebrates

Question 17

Match between columns
                        Premises: neurons that both receive and transmit signals; most are located in the central nervous system

Accepted Answer

The Answer of meninges and nerve and motor neuron and is...

Question 18

The ____ of the eye is a tissue that is densely packed with photoreceptors. In the above diagram of the eye, which letter identifies it?

Accepted Answer

A) lens; A 
B) vitreous body; C 
C) retina; C 
D) sclera; A 
E) cornea; D 
A) lens; A 
B) vitreous body; C 
C) retina; C 
D) sclera; A 
E) cornea; D

Question 19

The membrane potential of a neuron is defined as the ____.

Accepted Answer

A) measured capacity of a neuron to create an electrical impulse 
B) voltage in the neuron plasma membrane 
C) threshold potential of a neuron 
D) the electric gradient across a neuron's plasma membrane 
E) amount of voltage it takes to stimulate a neuron to fire 
A) measured capacity of a neuron to create an electrical impulse 
B) voltage in the neuron plasma membrane 
C) threshold potential of a neuron 
D) the electric gradient across a neuron's plasma membrane 
E) amount of voltage it takes to stimulate a neuron to fire

Question 20

Neuroglial Schwann cells produce ____, which _____.

Accepted Answer

A) neurotransmitters; are unnecessary for proper nervous signal conduction 
B) the myelin sheath; maintain the resting potential in neurons 
C) the myelin sheath; increases the speed of an action potential 
D) neurotransmitters; conduct signals across synapses 
E) meninges; provide neurotransmitters to neurons 
A) neurotransmitters; are unnecessary for proper nervous signal conduction 
B) the myelin sheath; maintain the resting potential in neurons 
C) the myelin sheath; increases the speed of an action potential 
D) neurotransmitters; conduct signals across synapses 
E) meninges; provide neurotransmitters to neurons

Exam 24: Neural Control and the Senses

Which is the correct path that light takes from the environment to the photoreceptors of a human eye?

Action potentials ____.

Rod cells differ from cone cells in that ____.

The shortage of the neurotransmitter that causes Parkinson's disease occurs in the region of the brain that controls ____.

The ____ of the eye focuses light on the eye's photoreceptors. In the above diagram of the eye, which letter identifies it?

The region of the brain with the highest concentration of neurons is the ____.

A neuron ____.

The temporal lobe of the cerebral cortex ____.

Language and abstract thought are possible due to the ____.

Referring to the above diagram of the brain, which letter identifies the region responsible for relaying sensory input to the forebrain and functions in reward-based learning?

The peripheral nervous system ____.

The ____ of the eye is a tissue that is densely packed with photoreceptors. In the above diagram of the eye, which letter identifies it?

The membrane potential of a neuron is defined as the ____.

Neuroglial Schwann cells produce ____, which _____.

Invitation to Biology

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Neuroglial Schwann cells produce , which _.