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LSB142 > Anatomy prac Q's > Flashcards

Anatomy prac Q's Flashcards

1
Q

A large arterial trunk that arises from the base of the left ventricle and transports blood from the heart into other arteries throughout the body.

A

Aorta

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2
Q

The semilunar valve between the left ventricle and the aorta that prevents blood from flowing back into the left ventricle

A

Aortic valve

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3
Q

The two valves situated between the atria and ventricles.

A

Atrioventricular valves

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4
Q

The volume of blood pumped from the heart each minute.

A

Cardiac output

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5
Q

The period of relaxation in the heart when the chambers are filling with blood.

A

Diastole

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6
Q

The innermost layer of the heart that lines the interior the heart chambers and covers the valves of the heart.

A

Endocardium

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7
Q

The largest vein in the human body that returns deoxygenated blood to the right atrium of the heart from the lower half of the body.

A

Inferior vena cava

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7
Q

The outermost layer of the heart and the innermost layer of the pericardial sac

A

Epicardium

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8
Q

The thick wall that divides the two ventricles in the heart.

A

Interventricular septum

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9
Q

The wall that separates the right and left atria in the heart.

A

Interatrial septum

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10
Q

The valve that closes the orifice between the left atrium and the left ventricle of the heart. Also known as the bicuspid valve.

A

Mitral valve

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11
Q

The middle layer of the heart, which makes up about two thirds of the heart muscle.

A

Myocardium

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12
Q

Valves located at the opening between the heart and the aorta, and at the opening between the heart and the pulmonary artery.

A

Semilunar valves

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12
Q

A small muscular bundle attached at one end to the chordae tendinae, and at the other end to the innermost endocardial wall the ventricles.

A

Papillary muscle

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13
Q

The volume of blood pumped from the heart with each beat.

A

Stroke volume

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14
Q

A period of contraction when the chambers are pumping blood out of the heart.

A

Systole

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14
Q

The second largest vein in the body that returns deoxygenated blood to the right atrium of the heart from the upper half of the body.

A

Superior vena cava

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15
Q

The valve that closes the orifice between the right atrium and right ventricle of the heart.

A

Tricuspid valve

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16
Q

Narrowing of the blood vessels, which decreases blood flow.

A

Vasoconstriction

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17
Q

Widening of the blood vessels, which increases blood flow.

A

Vasodilation

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18
Q

A small mass of tissue that transmits impulses received from the sinoatrial node to the ventricles via the bundle of His.

A

Atrioventricular node

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19
Q

Pressure-sensitive nerve endings in the atrium, aortic arch and carotid arteries.

A

Baroreceptors

20
Q

A slender bundle of modified cardiac muscle that conducts electrical impulses from the atrioventricular node to the left and right bundle branches, to the Purkinje fibres in the ventricle.

A

Bundle of His

21
Q

Part of the impulse conducting network of the heart that rapidly transmits impulses throughout the ventricles, causing ventricular contraction.

A

Purkinje fibres

22
Q

A small mass of specialised tissue located in the right atrium that normally acts as the pacemaker of the heart.

A

Sinoatrial node

23
Q

The curved portion of the aorta between the ascending and descending parts of the aorta.

A

Aortic arch

24
Q

Vessels that carry blood away from the heart.

A

Arteries

25
Q

Microscopic arteries that connect with capillaries.

A

Arterioles

26
Q

Small, thin-walled vessels where oxygen and carbon dioxide gas exchange occurs.

A

Capillaries

27
Q

The network of intertwined vessels formed by multiple capillaries.

A

Capillary beds

28
Q

A band of smooth muscle fibres that surrounds the capillaries at the junction of the arterioles and capillaries, and controls blood flow to the tissues.

A

Precapillary sphincter

29
Q

Circulation of oxygen-poor blood from the right ventricle, through the lungs, and returning to the left atrium with oxygen-rich blood.

A

Pulmonary circulation

30
Q

Circulation of oxygenated blood through arteries, capillaries and veins of the circulatory system, from the left ventricle to the right atrium.

A

Systemic circulation

31
Q

The outermost layer of a blood vessel, composed mostly of fibrous connective tissue that supports and protects the vessel.

A

Tunica externa

32
Q

The thicker middle layer of a blood vessel that contains smooth muscle cells, elastic fibres and collagen.

A

Tunica media

33
Q

The innermost layer of a blood vessel, composed of a single layer of squamous epithelial cells over a sheet of connective tissue.

A

Tunica intima

34
Q

Vessels that carry blood to the heart.

A

Veins

35
Q

Divides body into Top and Bottom halves and has rotation movements

A

Transverse Plane

36
Q

Divides body into Front and Back haves and has sideways movements

A

Frontal /coronal Plane

37
Q

Divides body into right and left halves and has flexion and extension movements

A

Sagittal/ median (mid) Plane

38
Q

Front of body

A

Anterior/ventral

39
Q

Towards the surface of the body

A

Superficial

40
Q

Back of the body

A

Posterior/ Dorsal

41
Q

Closer to the origin of the body

A

Proximal

42
Q

Away from the trunk

A

Distal

43
Q

What region is part of the axial body

  1. Brachial Region
  2. Axillary Region
  3. Tarsal Region
  4. Carpal region
A
  1. Axillary Region
44
Q

What region is part of the axial body

1.Pectoral Region
2. Antebrachial Region
3. Pedal Region
4. Sural Region

A

1.Pectoral Region

45
Q

What region is part of the appendicular body

1.Vertebral Region
2. Cubical Region
3. Oral Region
4. Cephalic Region

A
  1. Cubical Region
46
Q

What region is part of the appendicular body

1.Pedal Region
2. Deltoid Region
3. Vertebral Region
4. Occipital Region

A

1.Pedal Region

47
Q
A
48
Q
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49
Q
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50
Q
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LSB142 (6 decks)

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