Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

LAB > Lab 13: Circulatory II & Respiratory > Flashcards

Lab 13: Circulatory II & Respiratory Flashcards

1
Q

respiratory function

A

gas exchange

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

circulatory transports __

A

transports blood w/ gasses b/w lungs and body cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Blood pressure meaning

A

basis for maintaining functional and stable movement of blood from heart to body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Pressure depends on:
4 things

A

Blood volume
Blood vessel size
Blood flow rate
Resistance of blood flow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Cardiovascular center
location

A

medulla oblongata where it receives sensory receptors + higher brain centers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

3 receptors in cardiovascular center

A

Proprioceptors
Baroreceptors
Chemoreceptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Sympathetic cardiac

releases what

A

norepinephrine + epinephrine (dilate; increase blood flow)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what happens to rate and contractions of sympathetic cardiac

A

increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what does Parasympathetic cardiac

release

A

acetylcholine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

(specialized cardiac muscle cells) is called

A

Autorhythmic fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

2 functions of electrical activity of heart

A

=Depolarize + act as pacemakers
=Form cardiac conduction system (provide pathway for electrical activity)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

*refer to notes for cardiac excitation process

A

notes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Atrioventricular (AV) node
location and function

A

lower interatrial septum
relays impulse from atria to ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

AV bundle of his function

A

carry electrical signals from the AV node to the bundle branches.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

purkinje fibers function and location

A

Located: in the inner ventricular walls of the heart,
= specialized myocardial fibers that conduct an electrical impulse that enables the heart to contract in a coordinated fashion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Electrocardiography function

A

Measurement and analysis of heart activity (diagnosis of cardiac function)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The recording of the electrical changes of the heart is called

A

Electrocardiogram (ECG or EKG)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what is a Lead

A

The arrangement of 2 electrodes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

negative terminal of ECG is located where

A

right arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what do waves detect

A

detects myocardial infarcts (regions of dead myocardial tissue that do not depolarize)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

P wave

A

Upward (positive) deflection
Associated with atrial depolarization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

QRS

A

=Series of negative and positive deflection
=Associated w/ ventricular depolarization
=Repolarization of atria takes place and is obscured by ventricular changes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

ventricular repolarization is positive or negative

A

Positive deflection following QRS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

T wave

A

Positive deflection following QRS = ventricular repolarization
Longer duration and lower amplitude than QRS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

is ventricular repolarization faster or slower

A

slower and less synchronized

26
Q

what does it mean when u see an Inverted T wave (negative)

A

abnormal

27
Q

pulse meaning

A

Alternating surges of pressure (Expansion and recoil) in artery that occur with contraction and relaxation of LV

28
Q

what is the avrg normal pulse

A

70-76

29
Q

Blood pressure is known as

A

arterial blood pressure

30
Q

Systole

A

contracted state

31
Q

Diastole

A

relaxed state

32
Q

Sphygmomanometer =

A

= measure arterial blood pressure

33
Q

Systolic pressure

A

maximum pressure in arteries during ventricular contraction (systole)

34
Q

Diastolic pressure =

A

minimum pressure in arteries during ventricular relaxation (diastole)

35
Q

Valsalva maneuver

A

increases intrathoracic pressure (used to see the effect of thoracic pressure changes on venous blood pressure)

36
Q

Lateral walls have 3 bony projections, what are they

A

Superior
Middle
Inferior nasal conchae

37
Q

soft and hard palate differences

A

soft doesnt have bone

38
Q

Nasopharynx location

A

above and behind soft palate

39
Q

Oropharynx location

A

posterior to mouth

40
Q

laryngopharynx location

A

posterior to larynx

41
Q

Epiglottis

A

flap that extends diagonally over entrance to larynx

42
Q

what is the adams apple

A

Thyroid cartilage (adam’s apple)

43
Q

Pleural membrane function

A

facilitates free movement of lungs

44
Q

Parietal pleura lines _

A

thoracic wall

45
Q

visceral pleura covers what

A

outer surface of each lung

46
Q

Pleural cavity

A

between parietal and visceral (has pleural fluid for lubrication)

47
Q

Perichondrium

A

layer of dense irregular connective tissue on either side of cartilage

48
Q

Chondrocytes

A

mature cartilage cells situated in lacunae (holes) within intercellular matrix

49
Q

Spirometer

A

measures lung volumes and capacities

50
Q

Tidal volume (TV)

A

volume of air with each normal quiet respiration

51
Q

Expiratory Reserve Volume (ERV)

A

= volume of air that can be expired after a normal expiration

52
Q

Vital Capacity (VC)

A

maximum amount of air that can be moved into / out of lungs from maximal inspiration to maximal expiration

53
Q

Inspiratory Reserve Volume (IRV)

A

volume of air inhaled after a normal inspiration

54
Q

IRV EQUATION

A

IRV = VC - (ERV+ TV)

55
Q

Pulmonary ventilation brings what

A

brings oxygen to alveoli of lungs and removes CO2

56
Q

Function of blood

A

transport of respiratory gasses b/w tissues and lungs

57
Q

2 ways O2 is carried

A

Hemoglobin (majority)
Blood plasma (the rest is dissolved here

58
Q

Respiratory centers controls what

A

respiration

59
Q

Central chemoreceptors (@ medulla) respond to what

A

respond to increase in pCO2 and H+ ions of cerebrospinal fluid

60
Q

Peripheral chemoreceptors (@ aortic arch) respond to what

A

response to increase pCO2 and H+ , decreases in pO2

61
Q

Nerve impulses from chemoreceptors stimulates what

A

respiratory centers in brain so rate and depth of breathing increases

LAB (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions