quiz 3

Question 1

Voluntary movement occurs when

Answer 1

skeletal muscle contracts

Question 2

Which of the following is a function of the skeletal system?

Answer 2

Blood cell formation

Question 3

Connections between two or more bones are called:

Answer 3

Joints

Question 4

The red bone marrow is important in the skeletal function of:

Answer 4

blood cell formation

Question 5

Skeletal muscles are striated, while Cardiac muscles are:

Answer 5

also striated

Question 6

Formally active bone-making osteoblast cells that have become dormant are called

Answer 6

osteocytes

Question 7

Growth ceases in this area of cartilage located between the epiphysis and the diaphysis when it is transformed into bone

Answer 7

epiphyseal plate

Question 8

Which bone is not part of the appendicular skeleton?

Answer 8

coccyx

Question 9

Which of the following types of joints makes up the skull?

Question 10

the bone of the arm located on the thumb side is known as the

Answer 10

radius

Question 11

joint that has limited mobility is called a:

Answer 11

apophysis

Question 12

vertebrae is what kind of joint

Answer 12

cartilaginous

Question 13

The femur is an example of what type of bone

Answer 13

long bone

Question 14

skull is an example of what kind of bone

Answer 14

flat bone

Question 15

Straightening a bent elbow is a

Answer 15

extension

Question 16

bending movement that decreases the angle of a joint

Answer 16

flexion

Question 17

Moving the hand in a circle around the wrist joint is an example of

Answer 17

circumduction

Question 18

Pivot joints cause what type of joint movement

Answer 18

rotation

Question 19

Increasing the angle of a joint is also known as

Answer 19

extension

Question 20

Hinge joints only allow what type of movement

Answer 20

flexion and extension

Question 21

the movement of a body part around an axis

Answer 21

rotation

Question 22

bones of the lower leg

Answer 22

tibia and fibula

Question 23

In bone formation, osteoclast simply means

Answer 23

formation of new bones

Question 24

Turning the ankle so that the bottom of the foot faces toward the midline of the body is called

Answer 24

inversion

Question 25

Which of the following does NOT usually result in muscle hypertrophy?

Answer 25

aerobics training

Question 26

The division of the nervous system that consists of structures that regulate the body’s involuntary functions is called the

Answer 26

autonomic nervous system

Question 27

Chemicals by which neurons communicate are called

Answer 27

neurotransmitters

Question 28

The photoreceptor cells _______________are for day/colored vision, and _________________are for night vision.

Answer 28

Cones // Rods

Question 29

What forms the partition between the external and middle ear.

Answer 29

The Eardrum

Question 29

The 3 bones of the middle ear are called

Answer 29

Malleus, Incus and Stapes

Question 30

Which sense organ has chemoreceptors called gustatory cells

Answer 30

the tongue

Question 31

Which encapsulated nerve ending is responsible for the sensed of touch and pressure?

Answer 31

Tactile corpuscle

Question 32

This part of the neuron passes messages away from the cell body to other glans, muscles or neurons, and is known as the

Answer 32

axon

Question 33

The central nervous system is made up of the:

Answer 33

Brain and Spinal Cord

Question 34

Branching projections that conduct impulses to the cell body of neuron are called

Answer 34

dendrites

Question 35

The function of antidiuretic hormone is

Question 36

Steroidal hormones typically work according to the second messenger mechanism.

Answer 36

false

Question 37

The regulation of hormone levels in the blood depends primarily on the homeostatic mechanism called negative feedback

Answer 37

true

Question 38

Hyp0secretion of ADH results in diabetes insipidus, a condition in which large volumes of urine are formed.

Answer 38

true

Question 39

Of the two thyroid hormones T4 is the more abundant hormone.

Answer 39

true

Question 40

Low dietary intake of iodine causes a painless enlargement of the thyroid gland called simple goiter.

Answer 40

true

Question 41

Calcitonin stimulates mineral-dissolving osteoclast cells in bone tissue to increase their breakdown of bone’s hard matrix, a process that frees the calcium stored in the matrix.

Answer 41

false

Question 42

The middle zone of the adrenal cortex secretes hormones called glucocorticoids

Answer 42

yes

Question 43

water percentage in plasma?

Answer 43

91%

Question 44

Which of the following makes up the highest percentage of plasma proteins?

Answer 44

albumins

Question 45

Myeloid tissue is NOT primarily found in

Answer 45

coxal

Question 46

Neutrophils are the largest leukocytes.

Answer 46

false

Question 47

Eosinophils form the immune defense against parasites.

Answer 47

true

Question 48

Leukemia is a term used to describe a number of blood cancers affecting the WBCs.

Answer 48

true

Question 49

When a clot dislodges and circulates through the bloodstream, the dislodged part is called an embolus.

Answer 49

true

Question 50

Blood plasma without the clotting factors is called serum.

Answer 50

true

Question 51

B-Lymphocytes are responsible for:

Answer 51

antibody production

Question 52

Monocytes are responsible for

Answer 52

inflammatory response

Question 53

The reduction of RBCs following destruction of the blood-forming elements in bone marrow is called:

Answer 53

aplastic anemia

Question 54

The word malleus means:

Answer 54

hammer

Question 54

If the alkalinity of your blood increases toward neutral, you are a very sick person; in fact, you have alkalosis

Answer 54

true

Question 55

Which of the following is the bone in the skeletal system that does not form a joint with any other bone in the skeleton?

Answer 55

hyoid

Question 56

The muscle attachment to the more movable bones is called the muscle’s:

Answer 56

insertion

Question 56

The red oxygen storing pigment found in muscles is called:

Answer 56

myoglobin

Question 57

If muscle fibers are stimulated repeatedly without adequate periods of rest, the strength of the muscle contraction decreases, this is called:

Answer 57

fatigue

Question 58

Muscles move bones by pulling on them.

Answer 58

true

Question 59

The minimum level of stimulation required to cause a fiber to contract is called threshold stimulus.

Answer 59

true

Question 60

Motor neurons are also called efferent neurons.

Answer 60

true

Question 61

A ganglion is a group of nerve-cell bodies located the peripheral nervous system.

Answer 61

true

Question 62

A nerve impulse is a self-propagating wave of electrical disturbance that travels along the surface of a neuron’s plasma membrane.

Answer 62

true

Question 63

The middle layer of the eyeball is called the vascular layer.

Answer 63

true

Question 64

General sensory receptors found near the point of junction between tendons and muscles and others found deep within skeletal muscle tissue are called chemoreceptors.

Answer 64

true

Question 65

The eye condition in which the aqueous humor drainage is blocked and causes increased pressure in the eye that could result blindness is called:

Answer 65

glaucoma

Question 66

The mechanoreceptors for our sense of balance, or equilibrium, are located in the saclike vestibule and the three semicircular canals of the middle ear.

Answer 66

false

Question 67

The activation of the mechanoreceptors in the Organ of Corti generate nerve impulses that travel through the cochlear nerve to the brain and result in hearing.

Answer 67

true