CHM 4220 Exam 4 Questions & Answers 2023/2024

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CHM 4220 Exam 4 Questions & Answers 2023/2024-Reptiles with an anapsis skull have muscles to attach A. 0 B. 1 C. 2 D. 3 E. None of the above are correct Mammals derive from______ reptiles A. Anapsis B... . Sinapsis C. Diapsis D. None of the above are correct Modern birds have 1. Only symmetric feathers 2. Very high number of bones 3. Many fused bones 4. None of the above are correct Hooves and Horns of mammals are made of 1. Keratin 2. Chitin 3. Calcium Carbonate 4. Collagen Where does absorption of water mostly take place: 1. Stomach 2. Small intestine 3. Large intestine 4. All of the above are correct The interior of the digestive track is known as: 1. Serosa 2. Epithelium 3. Lumen 4. Endogastron Which of the following seal the larynx when you swallow food: A. glottis B. epiglottis C. soft palate D. Interior part of the tongue Which of the following statements are correct: 1. Low pH values activate pepsin into pepsinogen 2. Carbohydrates are digested in the stomach 3. Parietal cells segregate pepsinogen 4. All of the above are correct 5. None of the above are correct Which of the following animals do not have circulatory system: 1. Sponges 2. Corals 3. Jelly fish4. None the above have circulatory system Erythrocytes: 1. Are part of plasma 2. Have nuclei 3. Never contain hemoglobin 4. Are one of the formed elements of the blood Which of the following statements is correct: 1. Arteries always are rich in Oxygen 2. Veins always run from rest of the body to the heart 3. Sometimes Arteries run from rest of the body to the heart 4. All of the above are correct When blood reach the capillaries: 1. Osmotic pressure > Blood pressure 2. Blood pressure > Osmotic pressure 3. Blood pressure = Osmotic pressure 4. Any of the other options can be true as is depends on the part of the body where the capillaries are found Antibodies are part of A. Innate immune system B. Adaptive immune system C. Bacteria that infect a host D. A and B are correct E. B and C are correct Epitopes are molecular parts of A. Macrophages B. Antigens C. A membrane attack complex (MAC) D. Caspase enzymes E. All of thee above are correct Phagocytosis is performed by A. Macrophages B. Neutrophils C. Natural Killer Cells D. A and B are correct E. B and C are correct For B Cells to undergo mitosis and produce Memory B Cells and Effector B Cells they need to: A. Phagocytose the foreign bacteria or virus B. Present MHC2 molecules along their membran C. Bind to an Effector Helper T-Cells D. All of the above are correct E. Onlv A and B are correct For Helper T Cells to be activated producing Effector and Memory Helper TCells they need A. For a dendritic cell to phagocytize the foreign bacteria or virus B. For the inactive Helper T Cells to bind to MCH2 molecules of the dendritic cell C. Bind to B-Cells D. All of the above are correct E. Only A and B are correct When a dendritic cell phagocytizes a bacteria, this dendritic cell presents in it membrane A: A. B-cellB. T-Cell C. cytokine molecule D. MHC2 molecule E. C and D are correct For Cytotoxic T Cells to perform their mission A. They need to bind to B Cells B. They need to bind to MCH-2 Molecules C. They need to bind to MCH-1 Molecules D. All of the above are correct E. Only B and C are correct QUIZ 8 Fish:  Cannot produce aromatic amino acids  Have an open circulatory system  Always have swimming fins  All of the above are correct Which of the following statements is correct about cartilaginous fish:  Gills evolved from jaws  Teeth evolved from scales  Most of them have external fertilization  Options A, B, and C are correct  None of the above are correct Which of the following groups of fish have muscles inside the fins  Sharks  Ray-finned fish  Lobe-finned fish  Options A, B, and C are correct  None of the other options is correct Which of the following options is correct  Tiktaalik is a lobed-fin fish  Tiktaalik is an amphibian  Tiktaalik is an ancestral fossil of tetrapods  None of the other options is correctThe neural crest is  The same as the neural tube  Found in adults  The same as the notochord  The same as the ectoderm  None of the other options is correct Which of the following statements are correct:  Fish form a paraphyletic group  Reptiles form a monophyletic group  Reptiles and mammals together form one monophyletic group  All of these options are correct Salmon has  Muscles inside its fins  Bones with articulations in its fins  No swim bladder  None of the other options is correct Lungfishes  are only fossil fishes  have most of their species breathing both with lungs and gills  have most of their species breathing only with lungs  None of the other options are correct Sharks have  High reproductive rate with large offspring  Have operculum that helps them to breathe  Internal reproduction  All of these options are correct When you buy fish in the supermarket you have _______ % chance to buy a lobe-finned fish  <10% 50%  >90%  All of the other options are correct as it depends on the supermarket that you visit Lung fish is a type of  Highly evolved lamprey fish  Cartilaginous fish  Ray-finned fish  Lobe-finned fish  Each one of the other fish groups can have lung fish species Which of the following applies to fish  Heart with a single compartment  Single circulatory blood system  [Show More]

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