Bpk 142 - Biomechanics

Front 1

What is Inspiration?

Back 1

active process

Front 2

What is Expiration

Back 2

passive process at rest secondary muscles

Front 3

During exercise why does the mouth breathing replace nasal breathing?

Back 3

less resistance to airflow

Front 4

pulmonary circuit

Back 4

blood vessels going to and from the lungs

Front 5

systemic circuit

Back 5

blood vessels going to and from the rest of the tissues of the body

Front 6

electrocardiography

Back 6

record the wave of depolarization as it passes across the heart using electrodes on the surface of the body

Front 7

arrhythmia

Back 7

an irregularity in the rhythm of the heartbeat

Front 8

trace the air pathway from nose to alveoli

Back 8

nose->pharynx->larynx->trachea->primary bronchi->secondary bronchi->tertiary bronchi->terminal bronchioles-> respiratory bronchioles->alveolar ducts->alveoli

Front 9

____ separates the air in alveoli from blood in capillaries

Back 9

Respiraory membrane

Front 10

Inspiration causes diaphragm to ________

Back 10

descend

Front 11

Expiration is a ______ process at rest.

Back 11

passive

Front 12

pulmonary function test norms are usually based on ____,_____, and ______

Back 12

sex, age and height

Front 13

Total Lung Capacity = _____ + ______

Back 13

Vital Capacity + Residual volume

Front 14

What is a minute Ventilation = _____ X _______

Back 14

tidal Volume x number of breaths per minute

Front 15

What is ventilatory threshold

Back 15

the point at which minute ventilation increases disproportionately with oxygen consumption during exercise

Front 16

the circulatory system is divided into _____ circuit and ______ circuits

Back 16

pulmonary circuits and systemic

Front 17

A _____ divides the let and right sides of the heart.

Back 17

septum

Front 18

the pacemaker of the heart is the _______

Back 18

S_A node

Front 19

The amount of ______ a body possesses is directly proportional to its mass

Back 19

inertia

Front 20

What will damage to the cerebellum result in

Back 20

Impaired motor control.

Front 21

A high concentration of _____ ions on the outside of the nerve membrane cause it to be electrically _____ while the inside of the nerve is ______

Back 21

Sodium, positive, negative

Front 22

AMS occurs _____ hours after arriving at altitude and usually lasts _____

Back 22

12-36 hours, 2-3 days

Front 23

Name 4 symptoms associated with AMS. What does this syndrome resemble?

Back 23

Headache, fatigue, irritablilty, loss of appetite, nausea, vomiting, dizziness.

Front 24

Name 3 potential medical problems associate with scuba diving

Back 24

air embolism, pneumothorax, the bends, oxygen poisoning, mask squeeze, middle ear squeeze.

Front 25

what causes a heart murmur

Back 25

valve is damaged/does not close properly, blood regurgitates causing a noise