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