Which chemical is released to bring about vasoconstriction during the vascular spasm phase of hemostasis:

Which chemical is released to bring about vasoconstriction during the vascular spasm phase of hemostasis: A) renin B) erythropoietin C) serotonin D)...

Which one of the following represents the proper sequence of hemostasis:

Which one of the following represents the proper sequence of hemostasis: A) platelet plug formation, coagulation, vascular spasm B) vascular spasm,...

The series of reactions that stop blood flow following a cut is called:

The series of reactions that stop blood flow following a cut is called: A) homeostasis B) coagulation C) hemostasis D) erythropoiesis E) agglutination...

Megakaryocytes pinch off anucleate fragments called:

Megakaryocytes pinch off anucleate fragments called: A) granulocytes B) platelets C) agranulocytes D) erythrocytes E) neutrophils Answer:&nb...

The hormone that regulates the rate of erythrocyte production is called:

The hormone that regulates the rate of erythrocyte production is called: A) renin B) leukopoietin C) vasopressin D) erythropoietin E) thrombopoietin...

An immature RBC is called a:

An immature RBC is called a: A) megakaryocyte B) hemocytoblast C) reticulocyte D) agranulocyte E) granulocyte Answer: ...

The average functional lifespan of an RBC is:

The average functional lifespan of an RBC is: A) 20-30 days B) 50-75 days C) 100-120 days D) one year E) the body's lifetime Answer: ...

Blood cell formation is called __________ and occurs in red bone marrow.

Blood cell formation is called __________ and occurs in red bone marrow. A) hematopoiesis B) hemostasis C) agglutination D) coagulation E) hemolysis...

Blood cell formation in adults occurs in all of the following EXCEPT the:

Blood cell formation in adults occurs in all of the following EXCEPT the: A) flat bones of the skull B) flat bones of the pelvis C) shaft of the...

Platelets are fragments of multinucleate cells called:

Platelets are fragments of multinucleate cells called: A) erythrocytes B) eosinophils C) basophils D) megakaryocytes E) macrophages Answer:&...

The type of leukocytes that become macrophages in the tissues are:

The type of leukocytes that become macrophages in the tissues are: A) neutrophils B) eosinophils C) basophils D) lymphocytes E) monocytes An...

Which type of leukocyte contains heparin, an anticoagulant:

Which type of leukocyte contains heparin, an anticoagulant: A) neutrophil B) monocyte C) lymphocyte D) basophil E) eosinophil Answer: ...

The most numerous white blood cells are the:

The most numerous white blood cells are the: A) lymphocytes B) neutrophils C) eosinophils D) monocytes E) basophils Answer: ...

The type of leukocytes that would increase rapidly during allergy attacks and infections of parasitic worms are:

The type of leukocytes that would increase rapidly during allergy attacks and infections of parasitic worms are: A) eosinophils B) basophils C) neutrophils D)...

Which one of the following groups consist of granulocytes:

Which one of the following groups consist of granulocytes: A) neutrophils, eosinophils, and basophils B) lymphocytes and monocytes C) eosinophils...

Which one of the following is NOT true of WBCs:

Which one of the following is NOT true of WBCs: A) they use diapedesis to move in and out of blood vessels B) they locate areas of tissue damage...

There are an average of __________ WBCs per cubic millimeter of whole blood.

There are an average of __________ WBCs per cubic millimeter of whole blood. A) 100-1000 B) 4000-11,000 C) 10,000-20,000 D) 50,000-100,000 E) 1 million-3...

Excessive erythrocytes result in:

Excessive erythrocytes result in: A) sickle cell anemia B) leukocytosis C) polycythemia D) leukopenia E) pernicious anemia Answer: c ...

Which of the following is not a type of red blood cell disorder?

Which of the following is not a type of red blood cell disorder? A) aplastic anemia B) sickle cell anemia C) pernicious anemia D) polycythemia E)...

Normal whole blood contains __________ g of hemoglobin per 100 mL.

Normal whole blood contains __________ g of hemoglobin per 100 mL. A) 4-8 B) 12-18 C) 15-20 D) 30-35 E) 42-48 Answer: b ...

Erythrocytes:

Erythrocytes: A) have lobed nuclei and cytoplasmic granules B) are anucleate C) number 4000 to 11,000 per cubic millimeter of blood D) can travel...

Which one of the following formed elements is the most abundant:

Which one of the following formed elements is the most abundant: A) erythrocytes B) eosinophils C) platelets D) basophils E) lymphocytes Answ...

Which one of the following does NOT describe blood plasma:

Which one of the following does NOT describe blood plasma: A) it contains plasma proteins B) it contains metal ions (salts) C) its pH is 7.35 to...

Which one of the following is NOT a physical characteristic of blood:

Which one of the following is NOT a physical characteristic of blood: A) sticky B) opaque C) sweet tasting D) heavier than water E) alkaline ...

In a centrifuged blood sample, the buffy coat between the formed elements and the plasma contains:

In a centrifuged blood sample, the buffy coat between the formed elements and the plasma contains: A) leukocytes and erythrocytes B) platelets and...

The matrix of blood is called:

The matrix of blood is called: A) buffy coat B) plasma C) erythrocytes D) lymphocytes E) formed elements Answer: ...

A major transport lipoprotein that has 92% lipid and 8% protein is a(n)

A major transport lipoprotein that has 92% lipid and 8% protein is a(n) a. Chylomicron. b. HDL (high-density lipoprotein). c. LDL (low-density lipoprotein). d....

Arrange these events in the order in which they occur during fat digestion, absorption, and transport: 1. chylomicrons enter lacteals 2. triglycerides, phospholipids and cholesterol coated with protein 3. fatty acids and glycerol packaged into micelles 4. bile salts emulsify fats 5. lipase digests fat

Arrange these events in the order in which they occur during fat digestion, absorption, and transport:1. chylomicrons enter lacteals2. triglycerides,...

All of these occur in the large intestine EXCEPT:

All of these occur in the large intestine EXCEPT: a. large numbers of bacteria utilize undigested food. b. fatty acids are absorbed. c. vitamin K...

Which of these hormones causes contraction of the gall bladder?

Which of these hormones causes contraction of the gall bladder? a. cholecystokinin b. gastrin c. gastric inhibitory polypeptide d. secretin e. zymogen Answer: A Feedback...

All of these are enzymes that digest protein EXCEPT

All of these are enzymes that digest protein EXCEPT a. lipase. b. carboxypeptidase. c. chymotrypsin. d. pepsin. e. trypsin. Answer: A Feedback...

The __________ secretes peptidases and disaccharidases, whereas the __________ secretes trypsin, chymotrypsin, amylase, lipase, and nucleases.

The __________ secretes peptidases and disaccharidases, whereas the __________ secretes trypsin, chymotrypsin, amylase, lipase, and nucleases. a....

Duodenal gland secretion is stimulated by

Duodenal gland secretion is stimulated by a. stimulation of the sympathetic division of the ANS. b. amylase. c. chemical (acid) or tactile stimulation. d....

Which of these inhibits secretion and motility of the stomach?

Which of these inhibits secretion and motility of the stomach? a. enterogastric reflex b. parasympathetic stimulation c. gastrin d. intrinsic factor e....

Which of these conditions causes inhibition of gastric secretion?

Which of these conditions causes inhibition of gastric secretion? a. hypotonic or hypertonic solution in the duodenum b. distention of the duodenal...

The "pyloric pump" describes

The "pyloric pump" describes a. food movement through the esophagus into the stomach. b. chyme moving from the stomach into the small intestine. c....

Gastrin secretion is stimulated by

Gastrin secretion is stimulated by a. duodenal pH greater than 3. b. secretin. c. cholecystokinin. d. gastric inhibitory polypeptide. e. all of these Answer:...

The greatest amount of stomach secretion takes place during the

The greatest amount of stomach secretion takes place during the a. cephalic phase. b. gastric phase. c. intestinal phase. d. colic phase. Answer:...

The mucosal lining of the large intestine contains predominantly

The mucosal lining of the large intestine contains predominantly a. absorptive cells. b. endocrine cells. c. goblet cells. d. granular cells. e....

Bands of longitudinal smooth muscle that run the length of the colon are called

Bands of longitudinal smooth muscle that run the length of the colon are called a. haustra. b. epiploic appendages. c. intestinal glands. d. teniae...

Given these structures: 1. cecum 2. descending colon 3. rectum 4. sigmoid colon 5. transverse colon Choose the arrangement that lists the structures in the order food passes through them from the small intestine to the anus.

Given these structures:1. cecum2. descending colon3. rectum4. sigmoid colon5. transverse colonChoose the arrangement that lists the structures in the...

The acini of the pancreas produce

The acini of the pancreas produce a. digestive enzymes. b. glucagon. c. insulin. d. mucus. e. both b and c Answer: A Feedback : ...

In the liver, blood from the __________ and the hepatic artery flow into the hepatic sinusoids and become mixed.

In the liver, blood from the __________ and the hepatic artery flow into the hepatic sinusoids and become mixed. a. bile canaliculi b. central vein c....

All of these are functions of the liver EXCEPT:

All of these are functions of the liver EXCEPT: a. biotransformation of molecules. b. production of digestive enzymes. c. storage of glycogen, fat,...

The most nutrient absorption takes place in the

The most nutrient absorption takes place in the a. duodenum and jejunum. b. stomach and duodenum. c. jejunum and ileum. d. esophagus and stomach. e....

Arrange these parts of the small intestine in order from largest number of villi and circular folds to smallest number of villi and circular folds. 1. duodenum 2. ileum 3. jejunum

Arrange these parts of the small intestine in order from largest number of villi and circular folds to smallest number of villi and circular folds.1....

The major duodenal papilla is

The major duodenal papilla is a. a location for nutrient absorption in the duodenum. b. the opening for the accessory pancreatic duct in the duodenum. c....

Which of these cells is ly matched with its function?

Which of these cells is ly matched with its function? a. absorptive cells-produce digestive enzymes b. endocrine cells-produce regulatory hormones c....

Given these sphincters: 1. external anal sphincte 2. ileocecal sphincter 3. lower esophageal (cardiac) sphincter 4. pyloric sphincter Arrange them in the order in which food passes through them.

Given these sphincters:1. external anal sphincte2. ileocecal sphincter3. lower esophageal (cardiac) sphincter4. pyloric sphincterArrange them in the...

Besides capillaries, villi also contain lymphatic vessels called

Besides capillaries, villi also contain lymphatic vessels called a. gastric glands. b. lacteals. c. plicae circulares. d. muscularis mucosae. e....

Folds formed from the mucosa and submucosa that are perpendicular to the long axis of the duodenum are called

Folds formed from the mucosa and submucosa that are perpendicular to the long axis of the duodenum are called a. intestinal glands. b. lacteals. c....

The liver, gallbladder, and pancreas are connected to ducts which enter the

The liver, gallbladder, and pancreas are connected to ducts which enter the a. cecum. b. descending colon. c. duodenum. d. ileum. e. jejunum. Answer:...

Large mucosal folds formed when the stomach is empty are called

Large mucosal folds formed when the stomach is empty are called a. the muscularis layer. b. the pyloric sphincter. c. rugae. d. the fundus. Answer:...

Parietal cells in the lining of the stomach secrete

Parietal cells in the lining of the stomach secrete a. regulatory hormones. b. pepsinogen. c. HCl and intrinsic factor. d. mucus. e. bicarbonate...

Successive contraction of constrictor muscles occurs and the epiglottis covers the opening in the larynx. This describes

Successive contraction of constrictor muscles occurs and the epiglottis covers the opening in the larynx. This describes a. the voluntary phase of...

Saliva

Saliva a. secretion (of the serous portion) is increased primarily by sympathetic stimulation. b. contains amylase, which digests cellulose. c. contains...

The largest pair of salivary glands, which produce mostly watery saliva, are the

The largest pair of salivary glands, which produce mostly watery saliva, are the a. laryngeal glands. b. parotid glands. c. pharyngeal glands. d....

The center of the tooth, which is filled with blood vessels, nerves, and connective tissue, is called the

The center of the tooth, which is filled with blood vessels, nerves, and connective tissue, is called the a. gingiva. b. pulp. c. cementum. d. dentin. e....

Adults normally have __________ permanent teeth; children have __________ deciduous teeth.

Adults normally have __________ permanent teeth; children have __________ deciduous teeth. a. 36,36 b. 32,32 c. 32,20 d. 20,32 e. 20,20 Answer: C Feedback...

The frenulum is part of the

The frenulum is part of the a. esophagus. b. muscles of mastication. c. lips. d. teeth. e. tongue. Answer: E Feedback :  The frenulum...

The muscles responsible for protruding and retracting the tongue, moving it from side to side and changing its shape are the

The muscles responsible for protruding and retracting the tongue, moving it from side to side and changing its shape are the a. buccinator and masseter...

All of these are retroperitoneal organs EXCEPT the:

All of these are retroperitoneal organs EXCEPT the: a. duodenum. b. kidneys. c. rectum. d. stomach. e. urinary bladder. Answer: D Feedback...

The mesentery that connects the greater curvature of the stomach to the transverse colon and posterior body wall is the

The mesentery that connects the greater curvature of the stomach to the transverse colon and posterior body wall is the a. greater omentum b. lesser...

Except in the upper esophagus and stomach, the muscularis layer of the digestive tract consists of

Except in the upper esophagus and stomach, the muscularis layer of the digestive tract consists of a. one layer of skeletal muscle. b. one layer...

The intramural plexus is associated with the

The intramural plexus is associated with the a. somatic motor nervous system. b. afferent (sensory) division of the PNS. c. parasympathetic division...

The thick connective tissue layer of the digestive tract that contains blood vessels, small glands, and a nerve plexus is the

The thick connective tissue layer of the digestive tract that contains blood vessels, small glands, and a nerve plexus is the a. mucosa layer. b....