BIO 208 (BIO208)

Question text All of the following are roles of microorganisms in the large intestine, except ______. Select one: a. vitamin K synthesis b. break down cellulose c. wall lubrication d. microorganisms play all of these roles Feedback The correct answer is: wall lubrication Question 2 Correct Mark 1.00 out of 1.00 Flag question Question text During the esophageal phase of deglutition, how does the bolus move? Select one: a. peristalsis b. the tongue c. segmentation d. pharyngeal ...

Air flows out of the lungs because intra-alveolar pressure is greater than _______ during expiration. Select one: a. barometric air pressure b. thoracic volume c. alveolar volume d. pleural pressure Feedback The correct answer is: barometric air pressure Question 2 Correct Mark 1.00 out of 1.00 Flag question Question text Select the correct statement regarding the lungs. Select one: a. The left lung is larger than the right lung. b. Only the right lung has a hilum. c. The left ...

Edema is most likely to occur when someone is experiencing _________. c. burns 2 If someone has a blood pressure reading of 120/70 mm Hg, their pulse pressure would be b. 50 mm Hg. 3 What would occur if adrenocorticotropic hormone and cortisol levels increased? a. adrenocorticotropic hormone levels would decline from high cortisol levels 4 Which of the following is responsible for the exchange of nutrients and gases between the blood and tissue cells? b. capillaries 5 Select a correct d...

The role of the cremaster and dartos muscles is contraction to ______. c. pull the testes closer to the body A _____ is formed once an embryonic mass has 12 or more cells. e. morula Arrange the following structures in the order sperm would pass through them from the seminiferous tubules to the urethra. (1) ductus deferens (vas deferens)(2) rete testis(3) efferent ductules(4) epididymis(5) ejaculatory duct e. 2, 3, 4, 1, 5 After ovulation, a follicle becomes the _______ and if pregnancy d...

Bio 208-week 6 Digestive Select the correct answer explaining why the stomach does not digest itself. Select one: a. The stomach wall lacks proteins so enzymes won't attack it. b. The stomach lining is too tough to be digested. c. The digestive enzymes in the stomach aren't efficient enough. d. The stomach is protected by HCl. e. The stomach wall is protected by large amounts of mucus. Feedback The correct answer is: The stomach wall is protected by large amounts of mucus. Question 2...

Which immunoglobulin is regularly the first antibody produced in response to an antigen? Select one: a. IgG b. IgM c. IgD d. IgA e. IgE Feedback The correct answer is: IgM Question 2 Correct Mark 1.00 out of 1.00 Flag question Question text The _______ does not contain lymphatic tissue? This study source was downloaded by from CourseH on :59:47 GMT -05:00 Select one: a. lingual tonsil b. thymus c. spleen d. liver e. pharyng

Question text Control of ______ is done via ________, which is loss of water through diffusion and evaporation. Select one: a. temperature; sensible perspiration b. blood volume; insensible perspiration c. heat loss; insensible perspiration d. blood volume; sensible perspiration Feedback The correct answer is: heat loss; insensible perspiration Question 2 Correct Mark 1.00 out of 1.00 Flag question Question text What affect does antidiuretic hormone (ADH) have? Select one: a. in...

The correct answer is: pancreas Question 2 Correct Mark 1.00 out of 1.00 Flag question Question text What would occur if adrenocorticotropic hormone and cortisol levels increased? Select one: a. adrenocorticotropic hormone levels would decline from high cortisol levels b. positive feedback causes an increase in adrenocorticotropic hormone production c. cortisol levels would decline because of an increase in adrenocorticotropic hormone levels d. none of these choices are correct Feedb...

The layers of the digestive tract wall starting with the lumen is c. mucosa, submucosa, muscularis, serosa. The phase of gastric secretion where an increase in secretion of gastric juice occurs due to the anticipation of eating food is called the _____ phase. a. cephalic ! Why does the reflux of gastric contents into the esophagus occur? c. relaxation of the cardiac sphincter. Why does the reflux of gastric contents into the esophagus occur? c. relaxation of the cardiac sphincter. What ...