BIO 208 Final Exam Questions With Correct Answers Latest

BIO 208 Final Exam Questions With Correct Answers Latest . When is the embryo most sensitive to outside influences that can cause deformities? Select one: a. third to the ninth weeks of development b. twelfth to the twentieth weeks of development c. ninth to the sixteenth weeks of development d. twenty-first to twenty-sixth week of development e. first two weeks after fertilization Feedback The correct answer is: third to the ninth weeks of development Question text hormones bind to membrane-bound receptors; hormones bind to nuclear receptors. Select one: a. Lipid-soluble, lipid-soluble b. Water-soluble, water-soluble c. Lipid-soluble, water-soluble d. Water-soluble, lipid-soluble Feedback The correct answer is: Water-soluble, lipid-soluble Question text In the pancreas, produce digestive enzymes and the produce insulin and glucagon. Select one: a. Islets; acini b. Acini; islets c. Juice; epithelial cells d. Epithelial cells; juice Feedback The correct answer is: Acini; islets Question 6 Correct Mark 1.00 out of 1.00 Question text Structurally, what are lymph vessels most similar to? Select one: a. veins b. arteries c. capillaries d. arterioles e. venules Feedback The correct answer is: veins Question text What type of adaptive immunity is a vaccine? Select one: a. active natural b. active artificial c. passive natural d. passive artificial Feedback The correct answer is: active artificial Question text What lymphatic organ decreases in size after a certain age? Select one: a. tonsils b. spleen c. thymus d. bone marrow Feedback The correct answer is: thymus Question text What layer of the uterine wall is sloughed off during menstruation? Select one: a. endometrium b. vasometrium c. perimetrium d. hymen e. myometrium Question text Select the route through the digestive tract where food moves. Select one: a. oral cavity, stomach, small intestine, large intestine b. pharynx, esophagus, large intestine, small intestine c. stomach, esophagus, large intestine, small intestine d. anus, large intestine, stomach, esophagus Feedback The correct answer is: oral cavity, stomach, small intestine, large intestine Feedback The correct answer is: endometrium Question text The body is protected against viral infections by a protein called . Select one: a. interferon b. complement c. kinin d. histamine e. lysozyme Feedback The correct answer is: interferon Feedback The correct answer is: free hormone concentration is not influenced by plasma protein concentration Question text The layers of the digestive tract wall starting with the lumen is Select one: a. muscularis, lamina propria, submucosa, mucosa. b. submucosa, mucosa, adventitia, muscularis. c. mucosa, submucosa, muscularis, serosa. d. peritoneum, submucosa, mucosa, lamina propria. e. submucosa, mucosa, serous membrane, muscularis. Feedback The correct answer is: mucosa, submucosa, muscularis, serosa. Question text Select the correct description for external respiration. Select one: a. atmospheric air coming into the lungs b. gas exchange between the lungs and the blood c. gas exchange between the blood and body tissues d. gas exchange in the atmosphere e. cellular respiration Feedback The correct answer is: gas exchange between the lungs and the blood Question 15 Correct Mark 1.00 out of 1.00 Question text Select the correct description of the chordae tendineae. Select one: a. connect the flaps of the AV valves to the papillary muscles. b. connect the atria to the ventricles. c. found in the interventricular septum. d. part of the conducting system of the heart. e. a part of the myocardium. Feedback The correct answer is: connect the flaps of the AV valves to the papillary muscles. Question text How many days is the average menstrual cycle? On what day does ovulation occur? Select one: a. 32; 16 b. 30; 24 c. 24; 14 d. 20; 10 e. 28; 14 Feedback Question text The left lymphatic duct drains lymph from the . Select one: a. left arm, left chest, and left side of head. b. upper part of the body. c. right arm, right chest, and right side of head. d. abdomen. e. right side of the body. Feedback The correct answer is: left arm, left chest, and left side of head. Question text How does a capillary wall differ from that of a vein or artery structure? Select one: a. capillaries have more smooth muscle b. the capillary wall has only two tunics c. capillaries can constrict or dilate d. capillaries are impermeable to all substances e. capillary walls have only endothelium and a basement membrane Feedback The correct answer is: capillary walls have only endothelium and a basement membrane Feedback The correct answer is: the thinness of the capillary wall Question text Which of the following is an example of down-regulation?