Exam 4: Human Digestion, absorption, and Transport

A liquid has a pH that is more basic than the pH of pure water,but more acidic than the pH of household ammonia.Based on this information,the liquid is

Yolanda is eating a peanut butter and jelly sandwich for lunch.  She has taken a bite of the sandwich and begun chewing the sticky sandwich.  Once the bite of sandwich has been chewed,moistened,and mixed with saliva,it is called

Jared often eats a large dinner about an hour before he lies down to sleep.Based on this information,he may experience symptoms related to

Active transport requires energy,but not a specific transporter.

Goblet cells produce

The ________ cells of the gastric glands synthesize and release intrinsic factor,which is necessary for vitamin B12 absorption.

Which of the following compounds is secreted by the human stomach?

Which of the following compounds is not secreted by the human stomach?

The process of digesting food begins in the

The ________ is a flap-like piece of tissue responsible for keeping a swallowed piece of food from entering the trachea.

The innermost layer of the wall of the GI tract is the

Antibiotic usage often leads to microflora imbalance in the digestive tract.

Peristalsis is an involuntary response.

Segmentation

The ________ sphincter closes after a bolus has been swallowed and enters the stomach.  This sphincter is essential to prevent the contents of the stomach reentering the esophagus.

Treatment of irritable bowel syndrome usually includes making dietary changes and

If the epiglottis is not fully closed,food enters the trachea,blocking the windpipe which may cause the person to lose consciousness and die.

After moving through the ileocecal sphincter,unabsorbed water and undigested remains of chyme enter the jejunum.

The ________ is the third segment of the small intestine.