Question 1

The three types of muscle tissue are:

Accepted Answer

Smooth, Skeletal, & Cardiac

Question 2

That point of attachment that does not move when the muscle contracts is the:

Accepted Answer

Origin

Question 3

Each skeletal muscle is filled with two kinds of myofilaments called

Accepted Answer

Myosin & Actin

Question 4

The contractile unit of a muscle cell is the

Accepted Answer

sarcomere

Question 5

The term __________ is used to describe a muscle that directly performs a particular movement.

Accepted Answer

Prime Mover

Question 6

An explanation of how a skeletal muscle contracts is the

Accepted Answer

sliding filament theory.

Question 7

If a muscle is stimulated repeatedly without adequate rest, the strength of the contraction decreases, resulting in

Accepted Answer

Fatigue

Question 8

The minimal level of stimulation required to cause a fiber to contract is called the

Accepted Answer

threshold stimulus.

Question 9

A contraction in which muscle length remains the same but muscle tension increases is called a(n)

Accepted Answer

isometric contraction.

Question 10

Exercise may cause an increase in muscle size called

Accepted Answer

hypertrophy.

Question 11

Hypertrophy can be enhanced by

Accepted Answer

Strength Training

Question 12

The orbicularis oris muscle can be found in the

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Face

Question 13

The external and internal oblique muscles can be found in the

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Trunk

Question 14

The muscle that flexes the elbow is the

Accepted Answer

biceps brachii.

Question 15

Because this muscle is responsible for delivering blows during fights, it is often called the boxer’s muscle.

Accepted Answer

triceps brachii

Question 16

The movement that makes the angle between two bones at their joint smaller than it was at the beginning of the movement is called

Accepted Answer

Flexion

Question 17

Movement around a longitudinal axis is

Accepted Answer

Rotation

Question 18

The nervous system is divided into which two principal divisions?

Accepted Answer

peripheral and central

Question 19

The part of a neuron that transmits impulses away from the cell body is the

Accepted Answer

Axon

Question 20

Cells that conduct the impulses are called

Accepted Answer

Neurons

Question 21

The white, fatty substance that surrounds an axon is called

Accepted Answer

Mylin

Question 22

A signal conduction route to and from the central nervous system is a(n)

Accepted Answer

Reflex Arc

Question 23

Bundles of myelinated fibers make up the

Accepted Answer

white matter of the nervous system

Question 24

These chemicals allow neurons to communicate with each other.

Accepted Answer

Neurotransmitters

Question 25

The action potential seems to “jump” from node to node along a myelinated fiber. This type of impulse regeneration is called

Accepted Answer

saltatory conduction

Question 26

The inner protective covering of the brain is the

Accepted Answer

meninges.

Question 27

The three divisions of the brain that make up the brainstem are

Accepted Answer

medulla oblongata, midbrain, and pons.

Question 28

The second-largest part of the brain, located just below the posterior portion of the cerebrum, is the

Accepted Answer

cerebellum.

Question 29

Nerves that originate from the brain are called

Accepted Answer

cranial nerves

Question 30

How many pairs of spinal nerves are connected to the spinal cord?

Accepted Answer

31

Question 31

Spinal cord tracts provide conduction paths to and from the brain. The tracts that conduct sensory impulses down the cord from the brain are called

Accepted Answer

Desending Tracts

Question 32

The large fluid-filled spaces within the brain are called the

Accepted Answer

Ventricles

Question 33

Formation of the cerebrospinal fluid occurs in the

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choroid plexus.

Question 34

The limbic system integrates

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Emotions

Question 35

Skin surface area supplied by a single spinal nerve is called a

Accepted Answer

dermatome

Question 36

A subdivision of the nervous system that regulates involuntary functions is the

Accepted Answer

autonomic nervous system.

Question 37

The autonomic nervous system can be divided into the

Accepted Answer

parasympathetic and sympathetic divisions.

Question 38

The effect of sympathetic stimulation on the blood vessels in skeletal muscles is

Accepted Answer

dilation.

Question 39

This cranial nerve is responsible for the sense of smell.

Accepted Answer

Olfactory

Question 40

Axon terminals of autonomic neurons release either of two neurotransmitters.

Accepted Answer

norepinephrine and acetylcholine

Question 41

Acetylcholine binds to

Accepted Answer

cholinergic receptors.

Question 42

The sense organs are classified as

Accepted Answer

General & Special

Question 43

The innermost coat of the eyeball is the

Accepted Answer

Retina

Question 44

Specialized receptors found near the point of junction between tendons and muscles are called

Accepted Answer

proprioceptors.

Question 45

The Pacinian corpuscle senses

Accepted Answer

pressure.

Question 46

Cones are densely concentrated in the

Accepted Answer

fovea centralis.

Question 47

The substance that fills the chamber of the anterior cavity of the eye is

Accepted Answer

the aqueous humor.

Question 48

As people grow older, they tend to become farsighted. This condition is called

Accepted Answer

hyperopia.

Question 49

This type of receptor is found only in the eye.

Accepted Answer

photoreceptor

Question 50

The ear is divided into three anatomical parts.

Accepted Answer

external ear, middle ear, inner ear

Question 51

The tiny bones found in the middle ear are the

Accepted Answer

ossicles

Question 52

The sense organs involved in the sense of balance are found in the vestibule and the

Accepted Answer

semicircular canals

Question 53

The sense organs of taste are the

Accepted Answer

Taste Buds

Question 54

Gustatory cells are found in the

Accepted Answer

Mouth

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Anatomy Chapter 7