Bio 208 Study guides, Class notes & Summaries

BIO 208 - Exam 1. Questions & Answers. Exam 1 Bio 208 Question 1 Correct Mark 1.00 out of 1.00 Flag question Question text Increased _________ levels result in decreased __________ activity in the bones, and lengthens the life span of osteoblasts, resulting in ____________ blood calcium levels. Select one: a. calcitonin, osteoclast, decreased b. calcium, osteoblast, decreased c. calcitonin, osteoblast, increased d. calcium, osteoclast, increased Feedback The correct answer is: c...

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...

Week 5 Bio 208 Respiratory What occurs when inspiratory muscles contract? b. thoracic volume increases What is a primary result of pulmonary edema? b. decrease in the rate of gas exchange What ring of cartilage forms the base of the larynx? b. cricoid cartilage ! What occurs when inspiratory muscles contract? b. thoracic volume increases ! Select the correct description for external respiration. b. gas exchange between the lungs and the blood Select the true statement. a. As alveolar...

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 Incorrect Mark 0.00 out...

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...

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

uestion text What causes redness and heat in an area where inflammation is occurring? Select one: a. production of interferon b. phagocyte mobilization c. a reddish substance released by erythrocytes d. vasoconstriction e. increased blood flow to the area Question 2 Correct Mark 1.00 out of 1.00 Flag question Question text Select which of the following choices is an innate physical barrier. Select one: a. phagocytosis of invading organisms b. release of histamine c. inflammation...