Exam 14: The Urinary System

Match the control mechanisms, labelled a. through d., with the characteristics. (Options may be used more than once or not at all.) a.autonomous smooth muscle function b.extrinsic (autonomic) nerves c.hormones d.intrinsic nerve plexuses -responsible for establishing the rate of rhythmic contractility

Which of these statements does NOT correctly describe control of digestive processes?

The outer muscle layer of the digestive tract consists of circular smooth muscle.

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) a.both secretin and CCK b.secretin c.CCK d.gastrin -known as an enterogastrone

Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.) a.bile salts b.pepsin(ogen) c.amylase d.lipase e.trypsin(ogen) -recycled many times through the enterohepatic circulation

Which of these statements does NOT correctly describe HCl secreted by the stomach?

The most important function of the stomach is to begin protein digestion.

Which of these substances is absorbed by the stomach?

If peristalsis in the esophagus is insufficient to carry an especially large bolus of food through the esophagus to the stomach, what happens to dislodge this trapped food?

Which statement does NOT describe lipids?

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) a.both secretin and CCK b.secretin c.CCK d.gastrin -inhibit(s) gastric motility

Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.) a.fat in the duodenum b.acid in the duodenum c.acid in the stomach d.protein in the stomach -most potent stimulus for inhibition of gastric motility

Which of these statements does NOT correctly describe the colon?

Why is the pharyngoesophageal sphincter normally closed?

The function of mixing movements is to promote digestion and facilitate absorption.

Deglutition refers to the process of chewing.

The process of digestion starts as food enters the stomach.

Parasympathetic stimulation produces a watery saliva rich in enzymes.

Most of the fluid presented to the small intestine for absorption has been ingested.

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) a.both secretin and CCK b.secretin c.CCK d.gastrin -stimulate(s) pancreatic aqueous NaHCO₃ secretion