| Term 
 
        | Which laryngeal cartilage is composed of elastic cartilage? |  | Definition 
 | 
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        | 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 
 | 
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        | Term 
 
        | Where does internal respiration take place? |  | Definition 
 
        | At systemic capillaries, between blood and tissue cells |  | 
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        | 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. |  | 
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        | Term 
 
        | Which structure is the last structure of the conducting zone of the respiratory tract? |  | Definition 
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        | Term 
 
        | What is the role of alveolar macrophages in the lungs? |  | Definition 
 
        | Removal of tiny inhaled particles |  | 
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        | 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. |  | 
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        | 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. |  | 
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        | Term 
 
        | What are the components of the respiratory membrane? |  | Definition 
 
        | Alveolar and capillary walls and their fused basal laminae |  | 
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        | Term 
 
        | Which cells produce surfactant? |  | Definition 
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        | Term 
 
        | Which structure is not located within the nasopharynx? |  | Definition 
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        | Term 
 
        | Sympathetic stimulation of terminal bronchioles causes |  | Definition 
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        | Term 
 | Definition 
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        | Term 
 
        | Which portion of the nasal cavity is lined with olfactory epithelium? |  | Definition 
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        | Term 
 
        | The detergent-like molecule that keeps the alveoli from collapsing between breaths is called |  | Definition 
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        | Term 
 
        | The passageway between the nasopharynx and the middle ear is the |  | Definition 
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        | Term 
 
        | Of the three different layers of tissue in the wall of the trachea, the outermost layer is the |  | Definition 
 | 
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        | 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. |  | 
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        | Term 
 | Definition 
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        |  | 
        
        | Term 
 | Definition 
 
        | equalize air pressure throughout the lung. |  | 
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        | Term 
 
        | The space between the right and left vocal folds is called the |  | Definition 
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        | Term 
 
        | Which structure does not enter or exit from the hilum of a lung? |  | Definition 
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        | Term 
 
        | Which structure is both a lower respiratory structure and in the conducting zone? |  | Definition 
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        | 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. |  | 
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        | Term 
 
        | What would cause pain that extends or moves to the right in the umbilical region? |  | Definition 
 | 
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        | Term 
 
        | Which abdominal regions are located between the midclavicular lines? |  | Definition 
 
        | Epigastric region, umbilical region, and hypogastric region |  | 
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        | Term 
 
        | Another name for serosa is |  | Definition 
 | 
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        | Term 
 
        | The splenic, or left colic, flexure of the colon is located within the |  | Definition 
 
        | right hypochondriac region. |  | 
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        | Term 
 
        | Of the basic digestive processes, the one in which nutrients enter capillaries is called |  | Definition 
 | 
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        | Term 
 
        | Which of the following is not an accessory digestive organ? |  | Definition 
 | 
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        | Term 
 
        | Which of the following are components of the mucosa of the alimentary canal? |  | Definition 
 
        | Epithelium, lamina propria, and muscularis mucosae |  | 
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        | 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. |  | 
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        | Term 
 
        | Absorptive cells of the small intestine contain |  | Definition 
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        | Term 
 
        | Which layer of the digestive tract is responsible for the peristaltic waves that propel materials from one portion to another |  | Definition 
 | 
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        | Term 
 
        | Which of the following choices correctly pairs a type of cell in the stomach with its secretion? |  | Definition 
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        | Term 
 
        | Which of the following is not a characteristic of the large intestine? |  | Definition 
 
        | It is the main site of nutrient absorption. |  | 
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        | Term 
 
        | The digestive organ primarily responsible for the absorption of water is the |  | Definition 
 | 
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        | 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 
 | 
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        | Term 
 
        | What is the function of the hepatopancreatic sphincter? |  | Definition 
 
        | It controls the entry of bile and pancreatic juices into the alimentary canal. |  | 
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        | Term 
 
        | The duodenum contains these structures whose products neutralize the acidic chyme. |  | Definition 
 | 
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        | 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 
 | 
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        | 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. |  | 
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        | 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. |  | 
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        | 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 
 | 
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        | Term 
 
        | The parietal cells in the stomach produce |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The terminal portion of the small intestine is the |  | Definition 
 | 
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        | 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. |  | 
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        | 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 
 | 
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        | Term 
 
        | Digestion of which of the following would be affected the most if the bile-secreting liver were severely damaged? |  | Definition 
 | 
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        | Term 
 
        | Which of the following structures neither enters nor leaves the porta hepatis? |  | Definition 
 | 
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        | 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 
 | 
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        | Term 
 
        | Which portion of the nephron is found in both the renal cortex and medulla? |  | Definition 
 | 
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        | 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 |  | 
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        | 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 
 | 
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        | 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 
 | 
        |  |