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?

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
What does the thoracic duct drain?
Drains the rest of the body
26
What is lymphatic tissue composed of?
lymphocytes, macrophages, dendritic cells, reticular cells and others
27
It is an isolated clusters of lymphoid tissue found in the wall of the distal portion of the small intestine
Peyer's patches
28
What are the principal lymphoid organs of the body?
lymph nodes
29
What are the two distinct areas of the spleen?
White pulp and red pulp
30
It is a bilobed organ that secretes hormones for T lymphocytes maturation
Thymus
31
It is the ingestion and destruction of material by cells
Phagocytosis
32
It is a small phagocytic cells
Neutrophils
33
What is the function of natural killer cells?
They lyse tumor cells and virus-infected cells
34
What is the process called when C1 binds to antigen-antibody complexes?
Complement fixation
35
What do eosinophils release to reduce inflammation
Enzymes
36
It is a large molecules that stimulate an adaptive immune system response
Antigens
37
What type of immunity do B cells provide?
Antibody- mediated immunity
38
What type of immunity do T cells provide?
Cell-mediated immunity
39
Where do B cells and T cells originate?
Red bone marrow
40
Where are T cells processed?
Thymus