Exam 3

Question 1

What is the term for turning the soles of the feet inwards

Answer 1

inversion

Question 2

Which of the following types of joints is slightly movable

Answer 2

amphiarthrotic

Question 3

The connection between the diaphysis and epiphysis of a young bone can be considered

Answer 3

Synchondrosis

Question 4

What is the term for a joint that is a cone shape process fastened in a boney socket by ligament

Answer 4

Gomphosis

Question 5

Which of the following is an example of gomphosis

Answer 5

tooth alveoli

Question 6

The two pubic bones are held together on the anterior surface by a

Answer 6

Symphasis

Question 7

The type of joint between the adult frontal and parietal bone is classified as

Answer 7

fibrous

Question 8

The parietal and temporal bones are joined by

Answer 8

sutures

Question 9

Standing on ones toes is an example of

Answer 9

plantar flexion

Question 10

Which of the following types of joint is immovable

Answer 10

synarthrosis

Question 11

This is the term for the study of movement of the body

Answer 11

Kinesiology

Question 12

The shoulders is an example of a

Answer 12

ball and socket joint

Question 13

The movement called an _________will move appendages away from the midline of the body

Answer 13

abduction

Question 14

Myofibrils are composed mostly of

Answer 14

actin and myosin

Question 15

Athletes usually experience muscle fatigue less quickly than nonathletes because they

Answer 15

produce less lactic acid.

Question 16

Which type of connection would be found on your rectus abdominus

Answer 16

aponeuroses

Question 17

Arrange the following steps for contraction in the correct sequence.

1. The muscle impulse reaches the sarcoplasmic reticulum and calcium is released.
2. Thin filaments are pulled over the thick filaments.
3. Calcium floods the sarcoplasm and binds to troponin molecules leaving active sites.
4. The impulse arrives at the synapse and travels through the transverse tubules.
5. The muscle fiber shortens and contracts.
6. Tropomyosin molecules bind to exposed active sites, linking actin and myosin

Answer 17

4, 1, 3, 6, 2, 5

Question 18

Which organ converts lactic acid back to glucose

Answer 18

the livers

Question 19

The muscle cell membrane is termed

Answer 19

sarcolemma

Question 20

The chemicals that crosses a neuromuscular gap is

Answer 20

neurotransmitter

Question 21

Which molecule is produced during exercise resulting in oxygen debt

Answer 21

lactate

Question 22

Which of the following muscle are found in the stomach or blood vessels

Answer 22

smooth

Question 23

A group of skeletal muscle fibers is called

Answer 23

fascicle

Question 24

Which of the following would be located in the thigh area

Answer 24

bicep femoris

Question 25

This type of muscle would have 2 origins

Answer 25

biceps

Question 26

A single contraction of a muscle is called a

Answer 26

twitch

Question 27

Since smooth muscle fibers have rhythmically and can stimulate each other they contract in a pattern called

Answer 27

peristalsis

Question 28

This muscle would be located in the chest region

Answer 28

pectoralis major

Question 29

This muscle is also known as the calf muscle

Answer 29

gastrocnemius

Question 30

Which of the following ions is the first to leave neurons during repolarization

Answer 30

K+

Question 31

The cells that produce myelin in PNS are the

Answer 31

Schwan cells

Question 32

Which of the following is only under voluntary controls

Answer 32

Mouth

Question 33

Which of the following cells are not found in the CNS

Answer 33

Schwann cell

Question 34

The phagocytic cells in the CNS are the

Answer 34

microglia

Question 35

The resting potential of a a neuron is

Answer 35

-70 mV

Question 36

The threshold potential of a neuron is

Answer 36

-55 mV

Question 37

The central nervous system is comprised of the

Answer 37

brain and spinal chord

Question 38

The most common neurotransmitter in the body is

Answer 38

acetylcholine

Question 39

The cells that produce myelin in the CNS

Answer 39

oligodendrocytes

Question 40

Which of the following is not associated with depolarization

Answer 40

Chlorine

Question 41

At the peak of an action potential the neuron can reach as high

Answer 41

+40 mV

Question 42

This type of neurotransmitter is a natural opiate

Answer 42

Endorphins

Question 43

What part of a neuron is directly involved with protein synthesis

Answer 43

Nissi body

Question 44

Which of the following neurotransmitter is the “feel good’ transmitter?

Answer 44

Dopamine

Question 45

This type of neurotransmitter is responsible for slurred speech and impaired motor skills is under the influences of drug or alcohol

Answer 45

inhibitory