AnaPhy Flashcards

1
Q

what are the three major regions of the pharynx?

A

nasopharynx, oropharynx and laryngopharynx.

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2
Q

what is the trachea also known as?

A

windpipe

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3
Q

How many lobes does the left lung have?

A

2

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4
Q

what does parasympathetic system cause in the airways?

A

Bronchoconstriction

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5
Q

what does the sympathetic system stimulate in the airways?

A

Bronchodilation

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6
Q

What carries deoxygenated blood into the lungs?

A

Pulmonary artery

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7
Q

What are the two functional divisions of the respiratory system?

A

The conducting zone and the respiratory zone

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8
Q

What is created when the capillary wall meets the alveolar wall?

A

Respiratory Membrane

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9
Q

How does blood exit the alveoli after being oxygenated?

A

Through multiple pulmonary veins

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10
Q

What surrounds each lung?

A

A cavity surrounded by the pleura

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11
Q

What is the pleura?

A

A serous membrane that surrounds the lung

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12
Q

How are the right and left pleurae separated?

A

By the mediastinum

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13
Q

What are the two layers of the pleurae?

A

Visceral pleura and Parietal pleura

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14
Q

Where does the visceral and parietal pleurae connect?

A

At the hilum

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15
Q

What are the two major steps of pulmonary ventilation?

A

Inspiration and Expiration

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16
Q

Where is the respiratory center located

A

Within the medulla oblongata of the brain

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17
Q

What is the primary purpose of the respiratory system?

A

Gas exchange

18
Q

What causes bright red color of oxygenated blood?

A

Oxygenated hemoglobin is red

19
Q

What percentage of oxygen is dissolved in blood?

A

1.5%

20
Q

What are the two main structural divisions of the respiratory system?

A

Upper and lower respiratory tracts

21
Q

What is lymph?

A

Interstitial fluid once it has entered the lymphatic vessels

22
Q

What does the term “lymph” mean?

A

Clear water

23
Q

What are lymphatic capillaries?

A

Small, dead-end tubes that originate lymphatic vessels

24
Q

What is the primary function of lymph nodes?

A

To filter lymph

25
Q

What does the thoracic duct drain?

A

Drains the rest of the body

26
Q

What is lymphatic tissue composed of?

A

lymphocytes, macrophages, dendritic cells, reticular cells and others

27
Q

It is an isolated clusters of lymphoid tissue found in the wall of the distal portion of the small intestine

A

Peyer’s patches

28
Q

What are the principal lymphoid organs of the body?

A

lymph nodes

29
Q

What are the two distinct areas of the spleen?

A

White pulp and red pulp

30
Q

It is a bilobed organ that secretes hormones for T lymphocytes maturation

A

Thymus

31
Q

It is the ingestion and destruction of material by cells

A

Phagocytosis

32
Q

It is a small phagocytic cells

A

Neutrophils

33
Q

What is the function of natural killer cells?

A

They lyse tumor cells and virus-infected cells

34
Q

What is the process called when C1 binds to antigen-antibody complexes?

A

Complement fixation

35
Q

What do eosinophils release to reduce inflammation

A

Enzymes

36
Q

It is a large molecules that stimulate an adaptive immune system response

A

Antigens

37
Q

What type of immunity do B cells provide?

A

Antibody- mediated immunity

38
Q

What type of immunity do T cells provide?

A

Cell-mediated immunity

39
Q

Where do B cells and T cells originate?

A

Red bone marrow

40
Q

Where are T cells processed?

A

Thymus