Anatomy Flashcards by Abdallah Hasan

Q

Where is cysterna chyli located?

A

L1-L2

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Q

Which vein does the majority of lymph ends up in

A

Left brachiocephalic

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Q

Size of lymphatic nodes?

A

Few mm ~ 2cm

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Q

Where are palatine tonsils located?

A

Between palatopharyngal & palatoglossal folds

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Q

What are palatine tonsils covered by?

A

Stratified squamous epithelium

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Q

What are pharyngal tonsils covered by?

A

Pseudostratified columnar epithelium

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Q

What are lingual tonsils covered by?

A

Stratified squamous epithelium

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Q

Where is the thymus located?

A

Below the thyroid and above the 4th rib (variable though)

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Q

Where is the spleen located?

A

Left hypochondrium 9th-11th ribs

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Q

What percentage of total body weight is blood?

A

8%

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Q

Volume of blood in men and women?

A

5.5 & 5 Liters

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Q

What’s the diameter of RBCs?

A

8 um

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Q

Thickness of RBCs?

A

1 um centre ; 2 um edge

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Q

Normal hemoglobin range for men?

A

15.5 +/- 2 g/dl

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Q

Normal hemoglobin range for women?

A

13.5 +/- 2 g/dl

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Q

Normal RBC count?

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A

5.2 million/mm^3 men
4.7 million/mm^3 women

Q

What is the enzyme converting CO2 to H2CO3 called?

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A

Carbonic anhydrase

Q

What percentage of leukocytes are Neutrophils?

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A

60-70%

Q

What percentage of leukocytes are Eosinophils?

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A

1-4%

Q

What percentage of leukocytes are Basophils?

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A

0.5%

Q

What percentage of leukocytes are lymphocytes?

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A

25-33%

Q

What percentage of leukocytes are monocytes?

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A

2-6%

Q

What’s the diameter of granulocytes?

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A

12-15 um

Q

Lifespan of neutrophils?

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A

A week

What does the increase in neutrophils indicate?

Acute bacterial infection

What is the function of arylsufatase ?

Break down leukotrienes

What does an increase in eosinophils indicate?

Allergy or parasitic infestation

What color is the cytoplasm of monocytes?

Sky blue

Diameter of platelets?

3 um

Lifespan of platelets?

10 days

At what age does the thymus atrophy?

13

How many crypts does palatine tonsil have?

10-20

How many crypts does pharyngal tonsil have?

None

How many crypts does lingual tonsil have?

1 each

What do the internal illiac lymph nodes drain?

Buttock & perineum

What do the external iliac lymph nodes drain?

Lower limb

What does the popliteal lymph node drain?

Calves