BIO 115 SP 2012 Homework 1: Introduction to A&P and Chemistry Please note that this is not a required assignment but it is recommended. 1. When a body is in the anatomical position, it is A. Standing erect, with the face and palms facing forward B. Standing erect, with the face forward and the palms turned to the side C. Lying on the back with the palms facing forward and the face to the side D. None of the above 2. The dorsal body cavity includes the. A. Cranial cavity B. Thoracic cavity C. Vertebral cavity D. All the above E. The cranial cavity and the vertebral cavity 3. The ventral body cavity is subdivided into these cavities. A. Cranial, abdomiopelvic B. Thoracic, abdominopelvic C. Cranial, spinal, pelvic D. Thoracic, pleural, pelvic 4. The plane that separates the body into the front and back, or anterior and posterior portions. A. coronal B. sagittal C. transverse D. oblique 5. A _ plane divides the body into equal left and right portions. 6. The chin is to the mouth, and the knee is to the ankle. A. anterior; distal B. inferior; distal C. superior; proximal D. inferior; proximal
7. The term peripheral refers to a structure that is... A. toward the abdominal surface. B. away from the body surface. C. away from the center of the body. D. to the left of the midline.. 8. The bones are to the skin. 9. The buttocks is on the body surface. A. dorsal B. ventral C. posterior D. lateral E. dorsal and posterior 10. membranes surround organs and membranes line body cavities. A. Parietal... visceral B. Visceral... parietal 11. The upper and lower extremities compose the portion of the body. A. axial B. appendicular C. None of the above
12. Match the label of body region shown on the figure with the terms listed below. 1. Carpal a 2. Petellar b 3. Cranial c 4. Facial d 5. Axillary e 6. Cervical f 7. Tarsal g 8. Sternal h 9. Brachial i 13. The lowest level of organization in the body is the level. A. organ B. tissue C. chemical D. cellular
14. A tissue is A. an organ with specific functions. B. organs grouped together. C. the structural and functional units of the body. D. a group of cells that perform similar functions. E. All the above 15. reactions are the sum total of all of the chemical reactions that are collectively known as life. A. Metabolic B. Catabolic C. Anabolic D. None of the above 16. Maintenance of a stable internal environment is called _. 17. Homeostasis is maintained by self-regulating physiological processes. Select the process that is primarily responsible for maintaining homeostasis. A. Anabolism B. Catabolism C. Positive Feedback D. Negative Feedback 18. Match the following systems with the appropriate description or organs. 1. skin, hair, nails, and associated glands Cardiovascular 2. Blood, heart, and blood vessels Muscular 3. Nose, pharynx, larynx, trachea, bronchi, lungs Skeletal 4. Bones and joints Nervous 5. Responsible for body movements, maintenance of posture and production of body heat Lymphatic 6. Fluid transport, immunity Respiratory 7. Kidneys, ureters, urinary bladder, urethra Urinary 8. Hormones, BABIES Reproductive 9. Brain, spinal cord, nerves Integumentary
19. About 96% of the body consists of what four elements? A. oxygen, hydrogen, glucose, and carbon B. oxygen, hydrogen, carbon, and copper C. oxygen, hydrogen, carbon, and sodium D. oxygen, hydrogen, carbon, and nitrogen 20. A molecule made of two or more different atoms bonded together is called a(n). A. atom B. molecule C. compound D. ion 21. Match the following descriptions with the appropriate subatomic particles or components of an atom. 1. Composed of the protons and neutrons of an atom Protons 2. Carry a negative charge Electrons 3. Carry NO charge (neutral) Neutrons 4. Formed by electrons that move around an atom Nucleus 5. Carry a positive charge Electron shells (orbitals) 22. The atomic weight of an atom is equal to the number of +. A. Protons + Electrons B. Protons + Neutrons C. Electrons + Neutrons D. Protons + Neutrons + Electrons 23. If the atomic number of an element is 9 and the mass number is 19, how many neutrons does the atom have? A. 10 B. 9 C. 19 D. 28
24. Match the following descriptions with the correct type of chemical bond or related term. 1. Formed by ionic compounds that have dissociated in water (Gatorade). 2. Bond in which electrons are donated/received (High school sweethearts). Ionic bond Covalent bond 3. Bond in which electrons are shared (Golden aged married couple). Hydrogen bond 4. Weak attractive force between a positively charged H atom and a negatively charged atom in a different molecule. Electrolyte 25. The dissociation of a/an releases hydrogen ions and increases the concentration of hydrogen ions in a solution. A. acid B. base C. salt D. solvent 26. The ph scale ranges from ph to ph. A. 0; 14 B. 7; 14 C. 0; 7 D. None of the above. 27. The ph of the blood is slightly basic. Which of the following describes this ph? A. 6.4 B. 12.6 C. 4.7 D. 7.4 28. Which of the following compounds is an example of an inorganic compound? A. H 2 O B. CO 2 C. O 2 D. All the above are examples of inorganic compounds. E. H 2 O and O 2 only.
29. Which of the following compounds is NOT an organic compound? A. NaHCO 3 B. NaCl C. C 6 H 12 O 6 D. CH 4 E. All of the above compounds are organic compounds. 30. Which of the macromolecules listed below is NOT correctly matched with its monomer (subunit)? A. carbohydrates - monosaccharides B. triglycerides - glycerol and fatty acids C. proteins - glycogen D. nucleic acids - nucleotides E. All of the above macromolecules are correctly matched with the correct monomers. 31. are lipid molecules that are the main component of cell membranes. A. Triglycerides B. Phospholipids C. Sterols D. ATP 32. Butter is an example of a fat. 33. The building blocks of proteins are and functional proteins include _, which speed up chemical reactions in the body. A. amino acids; enzymes B. fatty acids; enzymes C. fatty acids; triglycerides D. amino acids; antibodies 34. Which of the following is a nucleic acid? A. DNA B. RNA C. Both DNA and RNA D. None of these choices are correct. 35. Steroids are a form of A. protein. B. lipid. C. sugar. D. nucleic acid.