phys exam 3

Question 1

Which structure separates the left and right ventricles?

Answer 1

Interventricular septum

Question 2

The apex of the heart points:

Answer 2

Inferiorly and to the left

Question 3

Which layer of the heart wall is composed of cardiac muscle?

Answer 3

Myocardium

Question 4

The right AV valve is also known as the:

Answer 4

Tricuspid valve

Question 5

Which blood vessel carries oxygen-poor blood to the lungs?

Answer 5

Pulmonary artery

Question 6

The base of the heart is located at its inferior end.

Answer 6

False

Question 7

The pulmonary circuit carries blood from the heart to the lungs and back.

Answer 7

True

Question 8

The left ventricle has a thinner wall than the right ventricle.

Answer 8

False

Question 9

The pericardial sac restricts movement of the heart in the thorax.

Answer 9

True

Question 10

The coronary arteries are the first branches off the aorta.

Answer 10

False

Question 11

Connect AV valve cusps to papillary muscles

Answer 11

Chordae tendineae

Question 12

Drains blood from heart tissue into right atrium

Answer 12

Coronary sinus

Question 13

Pacemaker that initiates heartbeat

Answer 13

SA Node

Question 14

Delays impulse before ventricular contraction

Answer 14

AV Node

Question 15

Conducts impulses through ventricular myocardium

Answer 15

Purkinje fibers

Question 16

Which valve prevents backflow from the aorta into the left ventricle?

Answer 16

Aortic semilunar valve

Question 17

Which chamber receives blood directly from the pulmonary veins?

Answer 17

Left atrium

Question 18

Which term means contraction of a heart chamber?

Answer 18

Systole

Question 19

Which structure marks the external separation between ventricles?

Answer 19

Interventricular sulcus

Question 20

What does ‘Toilet Paper My Butt’ stand for?

Answer 20

“Tricuspid, Pulmonary, Mitral, Aortic”

Question 21

Which layer of a vessel wall contains smooth muscle?

Answer 21

Tunica media

Question 22

Which type of blood vessel carries blood away from the heart?

Answer 22

Artery

Question 23

Which capillary type allows exchange of large materials like proteins?

Answer 23

Sinusoid

Question 24

What is the smallest type of artery called?

Answer 24

Capillary

Question 25

Which vein connects the basilic and cephalic veins in the cubital region?

Answer 25

Median cubital vein

Question 26

Veins carry blood away from the heart.

Answer 26

False

Question 27

The tunica externa anchors the vessel to surrounding tissue.

Answer 27

True

Question 28

Pulmonary arteries carry oxygen-rich blood.

Answer 28

True

Question 29

The hepatic portal vein carries blood from the GI tract to the liver.

Answer 29

True

Question 30

The great saphenous vein runs along the medial side of the lower limb.

Answer 30

True

Question 31

Drains blood from the kidney

Answer 31

Renal vein

Question 32

Supplies external head structures

Answer 32

External carotid artery

Question 33

Located behind the knee

Answer 33

Popliteal artery

Question 34

Found on the lateral side of forearm

Answer 34

Radial vein

Question 35

Found on the medial side of the upper limb

Answer 35

Brachial artery

Question 36

Which artery supplies the intestines?

Answer 36

Mesenteric artery

Question 37

The superior vena cava drains blood from which region?

Answer 37

Head and upper limbs

Question 38

Which arteries form the Circle of Willis?

Answer 38

Internal carotid and vertebral

Question 39

The common iliac arteries branch into:

Answer 39

External and internal iliac arteries

Question 40

Which blood vessel supplies the myocardium?

Answer 40

Coronary artery

Question 41

The major function of the respiratory system is:

Answer 41

Gas exchange

Question 42

Which structure divides the nasal cavity into left and right portions?

Answer 42

Nasal septum

Question 43

The vocal cords are located in the:

Answer 43

Larynx

Question 44

The trachea is supported by:

Answer 44

C-shaped rings of cartilage

Question 45

The left lung has how many lobes?

Answer 45

2

Question 46

The right lung has a cardiac impression.

Answer 46

False

Question 47

The epiglottis prevents food from entering the airways.

Answer 47

True

Question 48

Bronchioles contain hyaline cartilage.

Answer 48

True

Question 49

The mucociliary escalator helps remove debris from airways.

Answer 49

False

Question 50

Alveoli are the main sites of gas exchange.

Answer 50

True

Question 51

Opens to the mouth; has palatine tonsils

Answer 51

Oropharynx

Question 52

Contains auditory tube openings and pharyngeal tonsil

Answer 52

Nasopharynx

Question 53

Supported by C-shaped cartilage rings

Answer 53

Trachea

Question 54

Has smooth muscle and no cartilage

Answer 54

Bronchioles

Question 55

Opens to both the larynx and esophagus

Answer 55

Laryngopharynx

Question 56

What type of epithelium lines most of the respiratory tract?

Answer 56

Pseudostratified ciliated columnar

Question 57

What is the name of the opening between the vocal cords?

Answer 57

Glottis

Question 58

Which lung structure allows entry of bronchi and vessels?

Answer 58

Hilum

Question 59

Which term describes constriction of the bronchioles?

Answer 59

Bronchoconstriction

Question 60

The respiratory zone includes all the following except:

Answer 60

Trachea