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BIOL 2151 > Lab Practical 2 > Flashcards

Lab Practical 2 Flashcards

1
Q

True or false: The right lymphatic duct drains lymph from the right upper limb, and the right side of the head and thorax and empties the blood at the right internal jugular and subclavian veins

A

True

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2
Q

True or False: The thoracic duct drains lymph from the rest of the body and empties into the blood at the junction f the left internal jugular and subclavian vein

A

True

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3
Q

What is the larynx also known as?

A

the voice box

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4
Q

How many pieces of cartilage is the larynx made of?

A

9 (8 pieces are made of hyaline cartilage and one made of elastic cartilage)

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5
Q

The larynx superiorly attaches to what bone and opens to what structure?

A

The hyoid bone; laryngopharynx

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6
Q

The larynx inferiorly continuos with…

A

The trachea

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7
Q

The larynx houses the ______ which function to produce our _____

A

vocal folds; voice

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8
Q

From the mouth food passes through the _______ then the ________

A

Oropharynx; Laryngopharnx

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9
Q

Epithelium is ______ ______ with many mucus producing glands in the mouth

A

Stratified squamous

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10
Q

_______ is a 10” long muscular tube found mainly in the _________ __ ___ ______ ____

A

esophagus; Mediastinum of the thoracic cavity

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11
Q

it pierces the diaphragm at the __________ ____ and joind the stomach, located in the abdominal cavity, the ______ _____ which is surrounded by the ____________ _______

A

Esophageal hiatus; cardiac orifice; gastroesophageal sphincter

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12
Q

True or false: most digestive organs are inter peritoneal and are suspended from the body wall by a dorsal mesentery.

A

True

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13
Q

How many layers are in the alimentary canal?

A

4

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13
Q

True or False: Some interperiotoneal digestive organs are also suspended from the body wall by ventral mesenteries.

A

True

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13
Q

Function: Simple columnar, function secrete, absorb, protect

A

Epithelial membrane

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14
Q

What are the three layers of the mucosa in the alimentary canal

A

Epithelia membrane
lamina propria
Muscularis mucosae

14
Q

True or False: Some digestive organs are retoperitoneal because they have lost their mesentery during development.

A

True

15
Q
  • the layer below the epithelium that supports and holds the epithelium in place
  • network of Loose areola connective tissue contains blood capillaries, MALT, glands.
  • also made of collagen, elastic fibers, blood vessles fibroblast, lymphopid tissue etc.
A

Lamina Propia

16
Q

Twitching smooth muscle to dislodge food.

A

Muscularis mucosae

17
Q

Areolar connective tissue — many blood and lymphatic vessels, nerves, lost of elastic fibers

A

Submucosa

18
Q

Site of circular and longitudinal smooth muscle. Function peristalsis and segmentation. Circular smooth muscles forms sphincters

A

Muscularis externa

19
Q

Outermost layer. Areolar connective tissue plus a single layer of squamous epithelial cells.

A

Serosa

20
Q

A branching network of interconnecting nerves or vessels.

A

A plexus

21
Q

In the submucosa controls glands and smooth muscle

A

The submucosal nerve plexus

22
Q

Controls segmentation and peristalsis

A

The myenteric nerve plexus

23
Q

The layer below the epithelium that supports and hold the epithelium in place

A

The lamina propria

24
Q

a network of loose connective tissue made up of recticular fibers, collagen, and elastic fibers and contains blood vessles, fibroblast, nerve fibers, lymphoid tissue and it connected to the muscularis mucosa below.

A

Lamina propria

25
Q

What type of tissue is the mucosa made of

A

Stratified squamous epithelum

26
Q

What type of tissue is the submucosa made of?

A

Areolar connective tissue

27
Q

What type of tissue is the adventia made of?

A

Fibrous connective tissue

28
Q

Some digestive organs are what because they have lost their mesentery during development

A

retroperitoneal

BIOL 2151 (3 decks)

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