Lecture Test #2 - 2018
Which of the following is a water-soluble vitamin? A.) A B.) B C.) D D.) E E.) K
B.) B
After food and gastric juices combine, the gastric contents are referred to as ____________. A.) A bolus B.) Bile C.) Chyme D.) Plicae E.) Secretin
C.) Chyme*
The activities of the digestive system are regulated by ___________. A.) Hormones B.) Intrinsic nerve plexuses C.) Parasympathetic and sympathetic neurons D.) The contents of the digestive tract E.) All of the above
E.) All of the above
The region of the stomach that empties into the duodenum is the __________. A.) Antrum B.) Body C.) Cardia D.) Fundus E.) Pylorus
E.) Pylorus
Chemical Breakdown of materials by acid and enzymes takes place in the __________. A.) Esophagus B.) Large intestine C.) Oral Cavity D.) Small Intestine E.) Stomach
E.) Stomach
The enzyme that breaks down complex carbohydrates is ____________. A.) Amylase B.) Carbonic anhydrase C.) Lactase D.) Lysozyme E.) Rennin
A.) Amylase*
The cells responsible for antibody-mediated immunity are the _______ cells. A.) B B.) NK C.) T cytotoxic D.) T Helper E.) T suppressor
A.) B
Lymphatic vessels are located in almost all portions of the body except the ________. A.) CNS B.) Groin C.) Periphery D.) Renal Arteries E.) Throat
A.) CNS*
Lacteals ___________. A.) Carry absorbed fats to the lymphatic system B.) Increase the surface are of the mucosa of the small intestine C.) Produces Milk D.) Produce new cells for the mucosa of the small intestine E.) Secrete digestive enzymes
A.) Carry absorbed fats to the lymphatic system*
Histamine increases blood flow and vascular permeability. This would account for all of the following changes that occur during inflammation except: A.) Chemotaxis of phagocytes B.) Heat of the inflamed tissue C.) Movement of defense proteins and cells into the interstitial space D.) Redness of the inflamed tissue E.) Swelling of the inflamed tissue
A.) Chemotaxis of phagocytes
What is perforin? A.) A destructive enzyme secreted by sebaceous glands B.) A protein produced by NK cells C.) A toxin expressed by some pathogens that is capable of damaging healthy cells D.) A type of antibody synthesized by B cells E.) A type of interferon
B.) A protein produced by NK cells*
At what point in the large intestine does the epidermis become keratinized? A.) Ascending colon B.) Anus C.) Sigmoid Colon D.) Small intestine E.) Stomach
B.) Anus*
Which of the following is a unit of energy? A.) Amino Acid B.) Calorie C.) Carbohydrate D.) Fatty Acid E.) Nucleic Acid
B.) Calorie
The fusion of the hepatic duct and the cystic duct forms the _________. A.) Bile canaliculus B.) Common bile duct C.) Common pancreatic duct D.) Hepatic portal vein E.) Porta hepatis
B.) Common bile duct
Which of the following is a trace element? A.) Calcium B.) Iron C.) Potassium D.) Protein E.) Vitamin
B.) Iron
What organ has the ability to convert one amino acid to another or one fatty acid to another? A.) Gall bladder B.) Liver C.) Pancreas D.) Small intestine E.) Stomach
B.) Liver*
The lamina propria and mucous epithelium are components of the ________. A.) Adventitia B.) Mucosa C.) Muscularis externa D.) Serosa E.) Submucosa
B.) Mucosa
Leslie has a bad sore throat, and the lymph glands in her neck are swollen. This would indicate that ______________. A.) Lymph is not flowing through these lymph glands B.) The affected lymph glands contain an increased number of lymphocytes C.) The focus of the infection is the lymph glands D.) The lymph glands are actively producing phagocytes E.) The lymph glands have increase their secretion of thymosin
B.) The affected lymph glands contain an increased number of lymphocytes
An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is _________. A.) Cholecystonkinin B.) Enteropeptidase C.) Gastric inhibitory peptide (GIP) D.) Secretin E.) Vasoactive intestinal peptide (VIP)
C.) Gastric inhibitory peptide (GIP)*
The hormone that stimulates secretion and contraction by the stomach is _________. A.) Cholecystonkinin B.) Enteropeptidase C.) Gastrin D.) Rennin E.) Secretin
C.) Gastrin
When a fat/lipid is unsaturated, what does this mean? A.) It becomes solid at room temperature B.) It combined with a protein C.) It has a double bond in the molecule D.) It is lacking water E.) All of the above
C.) It has a double bond in the molecule*
A type of starvation where the body has a sufficient caloric intake, but not enough protein. A.) Anorexia nervosa B.) Bullimia C.) Kwashiorkor D.) Marasmus E.) All of the above
C.) Kwashiorkor
Which organ is responsible for dehydration and compaction of indigestible materials? A.) Anus B.) Esophagus C.) Large intestine D.) Small intestine E.) Stomach
C.) Large intestine
__________ cells enable to immune system to respond quickly and robustly if the same antigen is encountered a second time. A.) Dendritic B.) IgM C.) Memory D.) Plasma E.) Suppressor
C.) Memory
The first line of cellar defense against pathogens are the ______. A.) B cells B.) NK cells C.) Phagocytes D.) Plasma cells E.) T cells
C.) Phagocytes*
____________ is the largest collection of lymphatic tissue in the body. A.) Lacteal B.) Liver C.) Spleen D.) Thoracic duct E.) Tonsil
C.) Spleen
Carbohydrate digestion begins in the __________. A.) Duodenum B.) Esophagus C.) Ilium D.) Mouth E.) Stomach
D.) Mouth*
Waves of muscular contractions that propel the contents of the digestive tract are called __________. A.) Churning movements B.) Mastication C.) Pendular movements D.) Peristalsis E.) Segmentation
D.) Peristalsis
The thoracic duct drains lymph from all of the following regions except the __________. A.) Left Breast B.) Left side of the neck C.) Left arm and shoulder D.) Right Breast E.) Pelvic Viscera
D.) Right Breast*
There are "essential" amino acids and "essential" lipids. What makes them essential? A.) All amino acids and lipids are "essential" B.) They are needed for biological functions C.) They are rare in the body D.) They cannot be made by the body, they must be taken from food E.) None of the above
D.) They cannot be made by the body, they must be taken from food