Term
Which laryngeal cartilage is composed of elastic cartilage? |
|
Definition
|
|
Term
At which level of the respiratory tree is there no cartilage, where smooth muscle takes on an important role in regulating the amount of airflow through the tubule? |
|
Definition
|
|
Term
Where does internal respiration take place? |
|
Definition
At systemic capillaries, between blood and tissue cells |
|
|
Term
Why is it important that the epithelium of the oropharynx is stratified squamous epithelium? |
|
Definition
The area is subject to abrasion from food, so protection is important. |
|
|
Term
Which structure is the last structure of the conducting zone of the respiratory tract? |
|
Definition
|
|
Term
What is the role of alveolar macrophages in the lungs? |
|
Definition
Removal of tiny inhaled particles |
|
|
Term
Which of the following changes that occurs along the airway from the trachea to the bronchioles is the most important for regulating the amount of air entering the alveoli? |
|
Definition
Smooth muscle forms helical bands that wrap around smaller bronchi and bronchioles. |
|
|
Term
What is the anatomical relationship of the true vocal folds to the false vocal folds? |
|
Definition
The true vocal folds are inferior to the false vocal folds. |
|
|
Term
What are the components of the respiratory membrane? |
|
Definition
Alveolar and capillary walls and their fused basal laminae |
|
|
Term
Which cells produce surfactant? |
|
Definition
|
|
Term
Which structure is not located within the nasopharynx? |
|
Definition
|
|
Term
Sympathetic stimulation of terminal bronchioles causes |
|
Definition
|
|
Term
|
Definition
|
|
Term
Which portion of the nasal cavity is lined with olfactory epithelium? |
|
Definition
|
|
Term
The detergent-like molecule that keeps the alveoli from collapsing between breaths is called |
|
Definition
|
|
Term
The passageway between the nasopharynx and the middle ear is the |
|
Definition
|
|
Term
Of the three different layers of tissue in the wall of the trachea, the outermost layer is the |
|
Definition
|
|
Term
Most foreign substances in inspired air fail to reach the lungs because of the |
|
Definition
ciliated epithelium and mucus that line the respiratory passages. |
|
|
Term
|
Definition
|
|
Term
|
Definition
equalize air pressure throughout the lung. |
|
|
Term
The space between the right and left vocal folds is called the |
|
Definition
|
|
Term
Which structure does not enter or exit from the hilum of a lung? |
|
Definition
|
|
Term
Which structure is both a lower respiratory structure and in the conducting zone? |
|
Definition
|
|
Term
|
Definition
Propulsion through the GI tract by peristalsis is shown here. The contraction and relaxation of adjacent segments of the alimentary canal moves material through the tract. |
|
|
Term
What would cause pain that extends or moves to the right in the umbilical region? |
|
Definition
|
|
Term
Which abdominal regions are located between the midclavicular lines? |
|
Definition
Epigastric region, umbilical region, and hypogastric region |
|
|
Term
Another name for serosa is |
|
Definition
|
|
Term
The splenic, or left colic, flexure of the colon is located within the |
|
Definition
right hypochondriac region. |
|
|
Term
Of the basic digestive processes, the one in which nutrients enter capillaries is called |
|
Definition
|
|
Term
Which of the following is not an accessory digestive organ? |
|
Definition
|
|
Term
Which of the following are components of the mucosa of the alimentary canal? |
|
Definition
Epithelium, lamina propria, and muscularis mucosae |
|
|
Term
Which are important differences in the histology of the stomach compared to other regions of the digestive tract? |
|
Definition
There are three layers of muscularis externa. |
|
|
Term
Absorptive cells of the small intestine contain |
|
Definition
|
|
Term
Which layer of the digestive tract is responsible for the peristaltic waves that propel materials from one portion to another |
|
Definition
|
|
Term
Which of the following choices correctly pairs a type of cell in the stomach with its secretion? |
|
Definition
|
|
Term
Which of the following is not a characteristic of the large intestine? |
|
Definition
It is the main site of nutrient absorption. |
|
|
Term
The digestive organ primarily responsible for the absorption of water is the |
|
Definition
|
|
Term
Which of the following is not contained in saliva? |
|
Definition
enzymes that begin the digestion of proteins |
|
|
Term
Mucosa-associated lymphoid tissue (MALT) is primarily located within the |
|
Definition
|
|
Term
What is the function of the hepatopancreatic sphincter? |
|
Definition
It controls the entry of bile and pancreatic juices into the alimentary canal. |
|
|
Term
The duodenum contains these structures whose products neutralize the acidic chyme. |
|
Definition
|
|
Term
Which of the following layers is present in the mucosa of the stomach and intestines, but not in the mucosa of the mouth and pharynx? |
|
Definition
|
|
Term
Which of the following are the only mucosal folds that do not flatten out at all when the organ stretches? |
|
Definition
circular folds in the small intestine |
|
|
Term
The splenic flexure is the boundary between the |
|
Definition
transverse and descending colon. |
|
|
Term
Which of the following is a role of the levator ani muscle in defecation |
|
Definition
It lifts the anal canal superiorly around the feces. |
|
|
Term
Most of the gastrointestinal tract is innervated by the sympathetic and parasympathetic branches of the nervous system. Which parts are innervated by the somatic nervous system |
|
Definition
|
|
Term
The parietal cells in the stomach produce |
|
Definition
|
|
Term
The terminal portion of the small intestine is the |
|
Definition
|
|
Term
Which statement best describes the composition of the blood in the portal vein? |
|
Definition
oxygen-poor and nutrient-rich blood drained from the digestive tract |
|
|
Term
Name the three layers within the wall of the gallbladder. |
|
Definition
Mucosa, smooth muscle, and connective tissue covered by a serosa. |
|
|
Term
The structure composed of a branch of the hepatic artery, a branch of the hepatic portal vein, and a small branch of a bile duct is |
|
Definition
|
|
Term
What is the importance of hepatocytes containing numerous glycosomes? |
|
Definition
Hepatocytes play an important role in blood sugar regulation. |
|
|
Term
What is the role of the serous acinar cells in the pancreas? |
|
Definition
They make, store, and secrete about 22 kinds of pancreatic enzymes. |
|
|
Term
What is the function of the gallbladder? |
|
Definition
|
|
Term
Digestion of which of the following would be affected the most if the bile-secreting liver were severely damaged? |
|
Definition
|
|
Term
Which of the following structures neither enters nor leaves the porta hepatis? |
|
Definition
|
|
Term
In most cases, the accessory pancreatic duct drains into the |
|
Definition
|
|
Term
The region of the kidney where the renal vessels and the ureter enter and exit the kidney is called the |
|
Definition
|
|
Term
Which portion of the nephron is found in both the renal cortex and medulla? |
|
Definition
|
|
Term
Which vessels in the nephron function in filtration? |
|
Definition
|
|
Term
Which cells of the juxtaglomerular apparatus secrete the hormone renin? |
|
Definition
|
|
Term
The visceral layer of the glomerular capsule |
|
Definition
clings to the glomerulus, consists of branching cells call podocytes, and plays an important role in the formation of filtrate |
|
|
Term
The microvilli along the luminal surface of the proximal convoluted tubule |
|
Definition
increase the surface area of proximal convoluted tubules and maximize their capacity for resorbing water, ions, and solute from the filtrate |
|
|
Term
Where does blood flow immediately after it leaves the glomerulus in the kidneys? |
|
Definition
|
|
Term
Which of the following events occurs when the posterior pituitary gland secretes antidiuretic hormone (ADH)? |
|
Definition
The collecting ducts and distal convoluted tubules become more permeable to water, which results in water being resorbed into blood vessels. |
|
|
Term
|
Definition
consist of the glomerulus and the glomerular capsule |
|
|
Term
Which statement is FALSE concerning peritubular capillaries? |
|
Definition
They are adapted for secretion. |
|
|
Term
Vessels and nerves enter and leave the kidney through the |
|
Definition
|
|
Term
Which of the following supportive tissues is most superficial? |
|
Definition
|
|
Term
Before it enters the ureter, urine collects in the |
|
Definition
|
|
Term
Which of the following is not part of the filtration membrane? |
|
Definition
|
|
Term
|
Definition
|
|
Term
Which segment of the nephron has a simple squamous epithelium? |
|
Definition
descending limb of the nephron loop |
|
|
Term
An important difference between the peritubular capillaries and the vasa recta in the kidney is that |
|
Definition
the vasa recta are in the medulla, whereas the peritubular capillaries are in the cortex. |
|
|
Term
The left renal vein ________ the right renal vein. |
|
Definition
|
|
Term
The layer of podocytes is the same as the |
|
Definition
visceral layer of glomerular capsule. |
|
|
Term
The parts of the nephron whose epithelial cells contain the most mitochondria are the |
|
Definition
proximal and distal tubules. |
|
|
Term
Cortical nephrons are different from juxtamedullary nephrons in that |
|
Definition
their nephron loop is shorter, with a shorter thin segment. |
|
|
Term
An increase in the permeability of collecting tubule cells to water is due to |
|
Definition
an increase in the production of ADH. |
|
|
Term
Which type of epithelium lines the lumen of the ureter, urinary bladder, and proximal portions of the urethra? |
|
Definition
|
|
Term
What is unusual about the muscularis layer of the ureter when compared to the muscularis of the digestive tract? |
|
Definition
It has an inner longitudinal and outer circular layer. |
|
|
Term
The oblique entry of the ureters into the bladder |
|
Definition
prevents backflow of urine into the ureters from the urinary bladder |
|
|
Term
In what way is the histology of the ureters the same as that of the urinary bladder? |
|
Definition
Their luminal epithelium is transitional epithelium. |
|
|
Term
Which structures serve to voluntarily inhibit urination? |
|
Definition
External urethral sphincter and levator ani muscle |
|
|
Term
The name of the inferior of the three openings in the trigone of the bladder is the |
|
Definition
internal urethral orifice |
|
|
Term
Why are urinary tract infections more common in females than in males? |
|
Definition
In females the urethra is shorter than in males. |
|
|
Term
the only epithelial type that does not line the urethra is |
|
Definition
|
|
Term
The external urethral sphincter is located |
|
Definition
at the urogenital diaphragm. |
|
|
Term
The longest of the three parts of the male urethra is the |
|
Definition
|
|