BIOL 215 - Digestion & Metabolism (Ch. 24/25)

Which organs are major accessory organs in the digestive tract? Select all that apply.

• liver

• gallbladder

• stomach

• small intestine

• pancreas

What is the innermost tunic layer of the digestive tract?

• mucosa

• submucosa

• muscularis

• serosa/adventitia

The myenteric plexus is associated with what 2 things:

• peristalsis

• secreting digestive enzyme

• enteric nervous system

• connective tissue anchoring to other connective tissue

HCl secreted by the stomach would be involved in which of the following processes occurring in the GI tract?

• mechanical digestion

• chemical digestion

• absorption

• excretion

Amylase breaks down carbohydrates.

• True

• False

Tags

NGSS.MS-LS1-7

The longitudinal layer of muscle in the large intestine forms three bands of muscle called teniae coli.

• True

• False

The hardest substance in the body that protects our teeth is called:

• dentin

• periodontal ligament

• crown

• enamel

What are the glands found in the oral cavity? Select all that apply.

• Suboral

• Parotid

• Submandibular

• Sublingual

Stomach chief cells produce ____, while stomach parietal cells produce ____.

• pepsinogen; HCl/intrinsic factor

• mucus; pepsinogen

• HCl/intrinsic factor; mucus

• alkaline mucus; regulatory hormones

Tags

NGSS.MS-LS1-7

NGSS.MS-LS1-3

If you put a piece of bread in your mouth and hold, it will start to digest and dissolve because of:

• HCl

• salivary amylase

• intrinsic factor

• pepsinogen

Tags

NGSS.MS-LS1-7