Question 1

Complete each of the following statments.
The presence of ____________________ in the stomach is the main stimulus to enhance gastric secretion.

Accepted Answer

The answer of Complete each of the following statments.
The presence...

Question 2

During defecation, the internal anal sphincter relaxes.

Accepted Answer

The internal anal sphincter is an involuntary smooth muscle that relaxes during defecation to allow the passage of fecal matter.

Question 3

Complete each of the following statments.
The primary wave of peristalsis in the esophagus is initiated by the ____________________. If this primary wave fails to push the bolus to the stomach, a secondary peristaltic wave is initiated by the ____________________.

Accepted Answer

The answer of Complete each of the following statments.
The primary...

Question 4

Most of the digestive secretions do not remain in the fecal material.

Accepted Answer

Most of the digestive secretions are absorbed into the body during the digestive process and only a small amount remains in the fecal material.

Question 5

Complete each of the following statments.
Carbohydrate digestion takes place in the ____________________ (what part?) of the stomach under the influence of ____________________ (what enzyme?), whereas protein digestion takes place in the ____________________ under the influence of ____________________.

Accepted Answer

The answer of Complete each of the following statments.
Carbohydrate digestion...

Question 6

The primary absorption of nutrients, water, and electrolytes takes place in the large intestine, converting chyme to fecal material.

Accepted Answer

The primary absorption of nutrients, water, and electrolytes takes place in the small intestine, not the large intestine. The large intestine primarily reabsorbs water and electrolytes, and converts chyme to fecal material.

Question 7

Complete each of the following statments.
The most potent stimulus for gastrin release is ____________________. Gastrin, in turn, is a powerful stimulus for ____________________ in the stomach. The PGA is directly inhibited from releasing gastrin by ____________________.

Accepted Answer

The answer of Complete each of the following statments.
The most...

Question 8

Complete each of the following statments.
In general, the parasympathetic nervous system is ____________________ (excitatory or inhibitory) to the digestive tract, whereas the sympathetic nervous system is ____________________.

Accepted Answer

The answer of Complete each of the following statments.
In general,...

Question 9

Complete each of the following statments.
The most potent stimulus for inhibiting gastric motility and emptying is ____________________ in the ____________________ lumen.

Accepted Answer

The answer of Complete each of the following statments.
The most...

Question 10

Complete each of the following statments.
The four basic digestive processes are ____________________, ____________________, ____________________, and ____________________.

Accepted Answer

The answer of Complete each of the following statments.
The four...

Question 11

Upon arrival of a new meal in the stomach, the gastrocolic reflex pushes the colonic contents into the rectum, triggering the defecation reflex to eliminate the remains of a preceding meal.

Accepted Answer

The answer of Upon arrival of a new meal in...

Question 12

Receptive relaxation refers to the voluntary relaxation of the external anal sphincter when the individual is receptive to the defecation reflex.

Accepted Answer

The answer of Receptive relaxation refers to the voluntary relaxation...

Question 13

Complete each of the following statments.
The ____________________ is a common passageway for both the digestive and respiratory systems.

Accepted Answer

The answer of Complete each of the following statments.
The ____________________...

Question 14

Complete each of the following statments.
The three gastrointestinal hormones that function as enterogastrones are ____________________, ____________________, and ____________________.

Accepted Answer

The answer of Complete each of the following statments.
The three...

Question 15

Complete each of the following statments.
Gastric storage takes place in the ____________________ (what part?) of the stomach, whereas gastric mixing takes place in the ____________________.

Accepted Answer

The answer of Complete each of the following statments.
Gastric storage...

Question 16

Complete each of the following statments.
The ____________________ is the layer that lines the inside surface of the digestive tract.

Accepted Answer

The answer of Complete each of the following statments.
The ____________________...

Question 17

Symptoms associated with constipation are attributable to toxins absorbed from the retained fecal material.

Accepted Answer

The answer of Symptoms associated with constipation are attributable to...

Question 18

Humans are not capable of digesting cellulose, but some of the enteric bacteria have this capability.

Accepted Answer

Cellulose is a complex carbohydrate found in plant cell walls. Humans do not produce the enzyme cellulase, which is required to break down cellulose. However, some bacteria in the gut are capable of producing cellulase and can digest cellulose, producing short-chain fatty acids that can be used as an energy source.

Question 19

Defecation is a spinal reflex.

Accepted Answer

Defecation is a spinal reflex that is triggered by the filling of the rectum and the stretching of the rectal walls. The reflex involves the contraction of the rectal muscles and the relaxation of the anal sphincter, allowing the feces to be eliminated from the body. The spinal cord and the parasympathetic nervous system are primarily involved in the defecation reflex.

Question 20

Complete each of the following statments.
The parotid glands are one of three pairs of ____________________ glands.

Accepted Answer

The answer of Complete each of the following statments.
The parotid...

Quiz 16: A--The Digestive System

Complete each of the following statments. The presence of ____________________ in the stomach is the main stimulus to enhance gastric secretion.

During defecation, the internal anal sphincter relaxes.

Complete each of the following statments. The primary wave of peristalsis in the esophagus is initiated by the . If this primary wave fails to push the bolus to the stomach, a secondary peristaltic wave is initiated by the .

Most of the digestive secretions do not remain in the fecal material.

Complete each of the following statments. Carbohydrate digestion takes place in the (what part?) of the stomach under the influence of (what enzyme?), whereas protein digestion takes place in the under the influence of .

The primary absorption of nutrients, water, and electrolytes takes place in the large intestine, converting chyme to fecal material.

Complete each of the following statments. The most potent stimulus for gastrin release is . Gastrin, in turn, is a powerful stimulus for in the stomach. The PGA is directly inhibited from releasing gastrin by .

Complete each of the following statments. In general, the parasympathetic nervous system is (excitatory or inhibitory) to the digestive tract, whereas the sympathetic nervous system is .

Complete each of the following statments. The most potent stimulus for inhibiting gastric motility and emptying is in the lumen.

Complete each of the following statments. The four basic digestive processes are , , , and .

Upon arrival of a new meal in the stomach, the gastrocolic reflex pushes the colonic contents into the rectum, triggering the defecation reflex to eliminate the remains of a preceding meal.

Receptive relaxation refers to the voluntary relaxation of the external anal sphincter when the individual is receptive to the defecation reflex.

Complete each of the following statments. The ____________________ is a common passageway for both the digestive and respiratory systems.

Complete each of the following statments. The three gastrointestinal hormones that function as enterogastrones are , , and .

Complete each of the following statments. Gastric storage takes place in the (what part?) of the stomach, whereas gastric mixing takes place in the .

Complete each of the following statments. The ____________________ is the layer that lines the inside surface of the digestive tract.

Symptoms associated with constipation are attributable to toxins absorbed from the retained fecal material.

Humans are not capable of digesting cellulose, but some of the enteric bacteria have this capability.

Defecation is a spinal reflex.

Complete each of the following statments. The parotid glands are one of three pairs of ____________________ glands.

Quiz 16: A--The Digestive System

Complete each of the following statments. The presence of ____________________ in the stomach is the main stimulus to enhance gastric secretion.

During defecation, the internal anal sphincter relaxes.

Complete each of the following statments. The primary wave of peristalsis in the esophagus is initiated by the ____________________. If this primary wave fails to push the bolus to the stomach, a secondary peristaltic wave is initiated by the ____________________.

Most of the digestive secretions do not remain in the fecal material.

The primary absorption of nutrients, water, and electrolytes takes place in the large intestine, converting chyme to fecal material.

Complete each of the following statments. The most potent stimulus for gastrin release is ____________________. Gastrin, in turn, is a powerful stimulus for ____________________ in the stomach. The PGA is directly inhibited from releasing gastrin by ____________________.

Complete each of the following statments. In general, the parasympathetic nervous system is ____________________ (excitatory or inhibitory) to the digestive tract, whereas the sympathetic nervous system is ____________________.

Complete each of the following statments. The most potent stimulus for inhibiting gastric motility and emptying is ____________________ in the ____________________ lumen.

Complete each of the following statments. The four basic digestive processes are ____________________, ____________________, ____________________, and ____________________.

Upon arrival of a new meal in the stomach, the gastrocolic reflex pushes the colonic contents into the rectum, triggering the defecation reflex to eliminate the remains of a preceding meal.

Receptive relaxation refers to the voluntary relaxation of the external anal sphincter when the individual is receptive to the defecation reflex.

Complete each of the following statments. The ____________________ is a common passageway for both the digestive and respiratory systems.

Complete each of the following statments. The three gastrointestinal hormones that function as enterogastrones are ____________________, ____________________, and ____________________.

Complete each of the following statments. Gastric storage takes place in the ____________________ (what part?) of the stomach, whereas gastric mixing takes place in the ____________________.

Complete each of the following statments. The ____________________ is the layer that lines the inside surface of the digestive tract.

Symptoms associated with constipation are attributable to toxins absorbed from the retained fecal material.

Humans are not capable of digesting cellulose, but some of the enteric bacteria have this capability.

Defecation is a spinal reflex.

Complete each of the following statments. The parotid glands are one of three pairs of ____________________ glands.

Complete each of the following statments. The primary wave of peristalsis in the esophagus is initiated by the . If this primary wave fails to push the bolus to the stomach, a secondary peristaltic wave is initiated by the .

Complete each of the following statments. The most potent stimulus for gastrin release is . Gastrin, in turn, is a powerful stimulus for in the stomach. The PGA is directly inhibited from releasing gastrin by .

Complete each of the following statments. In general, the parasympathetic nervous system is (excitatory or inhibitory) to the digestive tract, whereas the sympathetic nervous system is .

Complete each of the following statments. The most potent stimulus for inhibiting gastric motility and emptying is in the lumen.

Complete each of the following statments. The four basic digestive processes are , , , and .

Complete each of the following statments. The three gastrointestinal hormones that function as enterogastrones are , , and .

Complete each of the following statments. Gastric storage takes place in the (what part?) of the stomach, whereas gastric mixing takes place in the .