Chapter 23 and 24 pratice test questions Anatomy

Which is not true of pancreatic enzymes?

Their primary site of action is the pancreas.

Mary had her stomach mostly removed to try to overcome obesity. As a result, you would expect Mary to be at risk fo

abnormal production of red blood cells (larger RBCs) due to B12 deficiency

a disease that attacks and disables the myenteric plexus would

decrease intestinal motility

Within the oral cavity, both mechanical and chemical ________ begin.

digestion

Asthma is

due to an excessive stimulation of smooth muscle in bronchioles

The flap-like structure that prevents food from entering the trachea is called the

epiglottis

Haustra are

expansible pouches of the colon

In which direction does carbon dioxide move during internal respiration?

from the tissue cells into the blood

Bile is stored in the

gallbladder

G cells of the stomach secrete

gastrin

Air moves out of the lungs when the pressure inside the lungs is

greater than the pressure in the atmosphere.

The stomach is different from other digestive organs in that it

has three layers of muscle in the muscularis externa.

Functions of the nasal cavity include all of the following except

housing tonsils

parietal cells secrete

hydrochloric acid

The portion of the small intestine that attaches to the cecum (and the location of a sphincter or valve) is the

ileum

Which is not part of the large intestine?

ileum

A blockage of the ducts from the parotid glands would

interfere with carbohydrate digestion in the mouth

The actual sites of gas exchange within the lungs are the

interlobular septa.

The process by which dissolved gases are exchanged between the cells and interstitial fluids is

internal respiration

The oral mucosa in much of the oral cavity such as the roof of the mouth and the surface of the tongue is comprised of ________ epithelium

keratinized stratified squamous

which organ is responsible for dehydration and compaction of indigestible materials

large intestine

Identify the incorrect pairing.

liver; produces intrinsic factor

The basic functional units of the liver are the

lobules

The larynx, trachea, bronchi, and bronchioles all make up the

lower respiratory tract

Products of fat digestion are transported initially by

lymphatic vessels

the technical term for chewing is

mastication

Digestion refers to the

mechanical and chemical breakdown of food

which salivary gland produces a secretion containing large amounts of salivary amylase

parotid

Functions of the tongue include all of the following

partitioning the oropharynx from the nasopharynx

The common passageway shared by the respiratory and digestive systems is the

pharynx

Which of the following organs is not part of the lower respiratory system?

pharynx

The term ________ describes the result from an injury that permits air to leak into the intrapleural space.

pneumothorax

the uvula is located at the

posterior margin of the soft palate

In response to the hormone secretin, the pancreas secretes a fluid

rich in bicarbonate ion

All of the following enhance the absorptive effectiveness (by increasing surface area) of the small intestine except

rugae

The prominent ridges in the lining of the empty stomach are called

rugae

The majority of nutrient absorption occurs in the

small intestines

The nasopharynx transitions into the oropharynx at the level of the

soft palate

Accidentally sending fluid up out of the nose happens when the ________ fails to close off the________.

soft palate; nasopharynx

A stratified squamous epithelial lining can be found in all the following except in the

stomach

which salivary gland produces a mucous rich secretion that acts as a buffer and lubricant?

sublingual

What is the layer labeled "3"?

submucosa

When there is no air movement, the relationship between the intrapulmonary and atmospheric pressure is that

they are equal

Harry suffers from cystic fibrosis and has severe breathing difficulties. His problems resultfrom

thick secretions that are difficult to clear

Air entering the body is filtered, warmed, and humidified by the

upper respiratory tract

Which of the following is not found in the large intestines?

villi

The serous membrane that covers the lungs is the

visceral pleura

Put the following steps of stomach acid production in the correct order starting with the reaction that requires an enzyme. 1. Carbonic acid dissociates 2. Chloride ion combines with H+ in the gastric lumen 3. Water and CO2 combine to form carbonic acid 4. H+ and bicarbonate ion are transported into the gastric lumen 5. Cl- diffuses into the gastric lumen

3, 1, 4, 5, 2

Which of the following is not a component of the portal triad found at the edges of a liver lobule?

central vein

The nasal cavity, pharynx, and larynx constitute the ________ portion of the airway

conducting

Contraction of the muscle layer labeled "9" causes the digestive tract to

constrict

During the cephalic phase of gastric secretion,

CNS sensory or cognitive activation increases neural stimulation of the stomach.

the function of the oral cavity include all of the following except

adsorption of monosaccharides

A drug that blocks the action of the hormone cholecystokinin would affect all of the following except

adsorption of water in the large intestines

Large blood vessels and lymphatics are found in the

adventitia

Which of the following descriptions best matches the term pancreatic juice?

alkaline mixture of enzymes, water and ions produced by acinar cells

The respiratory portion of the respiratory tract includes the

alveoli

The paired cartilages that articulate with the superior border of the cricoid cartilage are the________ cartilages.

arytenoid

Your patient with liver failure has a firm, rounded abdomen due to an accumulation of fluid. This is known clinically as

ascites

Hydrochloric acid from the stomach is neutralized in the small intestine by

bicarbonate from the pancreas

During deglutition, which of the following phases is first?

buccal

The lamina propria and mucous epithelium are components of the

mucosa

The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n)

mucus escalator

What is the layer labeled "4"?

muscularis externa

Gastric pits are

openings into gastric glands

Identify the structure labeled 7

oropharynx

The palatine tonsils lie in the walls of the

oropharynx

The exocrine portion of the pancreas is composed of

pancreatic acini.

what is the function of the structure 8

prevents food from entering the larynx

The ________ branch from the trachea at the carina

primary bronchi

Blockage of pulmonary blood flow by a traveling clot or similar obstruction is

pulmonary embolism

Identify the stomach region labeled "7."

pyloric part

What is the function of the structure labeled "6"?

regulates gastric emptying