A&P I Tutorial 2014 Exam 1A Name_________________________________________ 1) ________ is considered the oldest medical science. A) Anatomy B) Biology C) Physiology D) Cytology E) Embryology Answer: A Learning Outcome: 1-1 Bloom's Taxonomy: Knowledge 2) The analysis of the internal structure of individual cells is called A) cytology. B) histology. C) embryology. D) physiology. E) anatomy. Answer: A Learning Outcome: 1-3 Bloom's Taxonomy: Knowledge 3) The study of the superficial and internal features in a specific area of the body is called ________ anatomy. A) surface B) regional C) surgical D) pathological E) radiographic Answer: B Learning Outcome: 1-3 Bloom's Taxonomy: Knowledge 4) The study of the first two months of development is termed A) histology. B) embryology. C) cytology. D) pathology. E) organology. Answer: B Learning Outcome: 1-3 Bloom's Taxonomy: Knowledge 5) Cardiovascular function is an example of A) histophysiology. B) organ physiology. 1 C) systemic physiology. D) pathological physiology. E) physiological chemistry. Answer: C Learning Outcome: 1-3 Bloom's Taxonomy: Knowledge 6) Organ physiology is to ________ as gross anatomy is to ________. A) cell physiology; microscopic anatomy B) macroscopic anatomy; unbalance C) equilibrium; macroscopic anatomy D) balance; equilibrium E) imbalance; microscopic anatomy Answer: A Learning Outcome: 1-3 Bloom's Taxonomy: Comprehension 7) Which organ system provides support, protection of soft tissue, mineral storage, and blood formation? A) integumentary B) muscular C) skeletal D) nervous E) endocrine Answer: C Learning Outcome: 1-4 Bloom's Taxonomy: Knowledge 8) Which organ system includes the spleen and the tonsils? A) digestive B) endocrine C) nervous D) cardiovascular E) lymphatic Answer: E Learning Outcome: 1-4 Bloom's Taxonomy: Knowledge 9) The pituitary gland and thyroid gland are organs of the ________ system. A) endocrine B) cardiovascular C) respiratory D) lymphatic E) digestive Answer: A Learning Outcome: 1-4 Bloom's Taxonomy: Knowledge 2 10) Which one of the following is not a characteristic of the endocrine system? A) releases chemical messengers called hormones B) produces a more rapid response than the nervous system C) produces effects that last for days or longer D) produces an effect that involves several organs or tissues at the same time E) important homeostatic system Answer: B Learning Outcome: 1-5 Bloom's Taxonomy: Comprehension 11) The maintenance of a relatively constant internal environment in an organism is termed A) positive feedback. B) homeostasis. C) negative feedback. D) effector control. E) integration. Answer: B Learning Outcome: 1-5 Bloom's Taxonomy: Knowledge 12) A cell or an organ that responds to commands of the control center in negative feedback is termed a(n) A) receptor. B) thermoregulator. C) hypothalamus. D) effector. E) stimulus. Answer: D Learning Outcome: 1-6 Bloom's Taxonomy: Knowledge 13) The quadrants of the abdominopelvic region include all of the following except A) right upper quadrant (RUQ). B) right lower quadrant (RLQ). C) left upper quadrant (LUQ). D) left lower quadrant (LLQ). E) pelvic quadrant. Answer: E Learning Outcome: 1-7 Bloom's Taxonomy: Knowledge 14) A person who is standing facing forward with hands at the sides and palms facing forward is in the ________ position. A) supine 3 B) prone C) anatomical D) frontal E) sagittal Answer: C Learning Outcome: 1-7 Bloom's Taxonomy: Knowledge 15) The two major divisions of the ventral body cavity are the A) pelvic and thoracic. B) cranial and sacral. C) lateral and medial. D) thoracic and abdominopelvic. E) dorsal and ventral. Answer: D Learning Outcome: 1-8 Bloom's Taxonomy: Knowledge 16) The smallest stable units of matter are A) atoms. B) molecules. C) protons. D) neutrons. E) electrons. Answer: A Learning Outcome: 2-1 Bloom's Taxonomy: Knowledge 17) The "atomic weight" of an atom reflects the average number of A) protons. B) neutrons. C) electrons. D) protons + neutrons. E) protons + neutrons + electrons. Answer: D Learning Outcome: 2-1 Bloom's Taxonomy: Knowledge 18) The mass number represents the number of A) protons in an atom. B) electrons in an ion. C) neutrons in an atom. D) protons + neutrons. E) neutrons + electrons. Answer: D 4 Learning Outcome: 2-1 Bloom's Taxonomy: Knowledge 19) Which of the following statements about hydrogen bonds is false? A) Hydrogen bonds are strong attractive forces between hydrogen atoms and negatively charged atoms. B) Hydrogen bonds can occur within a single molecule. C) Hydrogen bonds can form between neighboring molecules. D) Hydrogen bonds are important for holding large molecules together. E) Hydrogen bonds are responsible for many of the properties of water. Answer: A Learning Outcome: 2-2 Bloom's Taxonomy: Knowledge 20) In an ionic bond, the electron donor is the ________, whereas the electron acceptor is the ________. A) acid; base B) salt; ion C) anion; cation D) base; acid E) cation; anion Answer: E Learning Outcome: 2-2 Bloom's Taxonomy: Comprehension 21) In a molecule of nitrogen, three pairs of electrons are shared by two nitrogen atoms. The type of bond that is formed is an example of a ________ bond. A) single trivalent B) double divalent C) triple covalent D) polar covalent E) hydrogen Answer: C Learning Outcome: 2-2 Bloom's Taxonomy: Comprehension 22) In hydrolysis reactions, compounds react with A) hydrogen, causing decomposition. B) glucose, causing decomposition. C) water, causing decomposition. D) carbon, causing decomposition. E) water, causing synthesis. Answer: C Learning Outcome: 2-3 Bloom's Taxonomy: Knowledge 23) Chemical reactions that yield energy, such as heat, are said to be A) endergonic. 5 B) activated. C) exergonic. D) neutral. E) thermonuclear. Answer: C Learning Outcome: 2-4 Bloom's Taxonomy: Knowledge 24) Compounds that can be synthesized or broken down by chemical reactions inside the body are called A) inorganic compounds. B) organic compounds. C) nutrients. D) metabolites. E) enzymes. Answer: D Learning Outcome: 2-5 Bloom's Taxonomy: Knowledge 25) Each of the following is an inorganic compound except A) water. B) acids. C) bases. D) salts. E) carbohydrates. Answer: E Learning Outcome: 2-5 Bloom's Taxonomy: Knowledge 26) During ionization, water molecules disrupt the ionic bonds of a salt to produce a mixture of ions. These ions can carry a current and so are called A) cations. B) anions. C) acids. D) electrolytes. E) counterions. Answer: D Learning Outcome: 2-6 Bloom's Taxonomy: Knowledge 27) Which of the following statements about water is false? A) It is composed of polar molecules. B) It is responsible for much of the mass of the human body. C) It has a relatively low heat capacity. D) It can dissolve many substances. E) It contains hydrogen bonds. 6 Answer: C Learning Outcome: 2-6 Bloom's Taxonomy: Knowledge 28) Which of the following has the highest concentration of hydroxide ions? A) pH 1 B) pH 14 C) pH 7 D) pH 10 E) pH 2 Answer: B Learning Outcome: 2-7 Bloom's Taxonomy: Knowledge 29) A(n) ________ removes hydrogen ions and a(n) ________ releases hydrogen ions. A) acid; base B) base; acid C) compound; element D) element; compound E) molecule; acid Answer: B Learning Outcome: 2-7 Bloom's Taxonomy: Knowledge 30) In the body, inorganic compounds A) can serve as buffers. B) can make up proteins. C) are made from organic compounds. D) are structural components of cells. E) are metabolized for cellular energy. Answer: A Learning Outcome: 2-8 Bloom's Taxonomy: Knowledge 31) Carbohydrates, lipids, and proteins are classified as A) organic molecules. B) inorganic molecules. C) acids. D) salts. E) bases. Answer: A Learning Outcome: 2-9 Bloom's Taxonomy: Knowledge 32) Lipids A) form essential structural components of cells. B) provide a significant energy reserve. 7 C) help to maintain body temperature. D) cushion organs against shocks. E) All of the answers are correct. Answer: E Learning Outcome: 2-10 Bloom's Taxonomy: Knowledge 33) The monomers of protein are A) glucose. B) fatty acids. C) amino acids. D) nucleotides. E) nitrogen base. Answer: C Learning Outcome: 2-11 Bloom's Taxonomy: Knowledge 34) Each amino acid differs from another in the A) number of central carbon atoms. B) size of the amino group. C) number of carboxyl groups. D) nature of the side chain. E) number of peptide bonds in the molecule. Answer: D Learning Outcome: 2-11 Bloom's Taxonomy: Knowledge 35) The smallest living unit within the human body is A) a protein. B) the cell. C) a tissue. D) an organ. E) an organ system. Answer: B Learning Outcome: 3-1 Bloom's Taxonomy: Knowledge 36) Functions of the plasma membrane include all of the following except A) separation of the cytoplasm from the extracellular fluid. B) regulation of exchange of materials with the extracellular environment. C) sensitivity to chemical changes in the extracellular fluid. D) thermal insulation. E) structural support. Answer: D Learning Outcome: 3-1 Bloom's Taxonomy: Knowledge 8 37) The plasma membrane includes A) integral proteins. B) glycolipids. C) phospholipids. D) cholesterol. E) All of the answers are correct. Answer: E Learning Outcome: 3-1 Bloom's Taxonomy: Knowledge 38) The watery component of the cytoplasm is called A) cytosol. B) protoplasm. C) extracellular fluid. D) interstitial fluid. E) a colloidal gel. Answer: A Learning Outcome: 3-2 Bloom's Taxonomy: Knowledge 39) Each of the following is an example of a nonmembranous organelle except A) lysosomes. B) cilia. C) centrioles. D) ribosomes. E) cytoskeleton. Answer: A Learning Outcome: 3-2 Bloom's Taxonomy: Knowledge 40) Microfilaments A) anchor the cytoskeleton to membrane proteins. B) control the consistency of cytoplasm. C) with myosin, produce cell movement. D) consist of the protein called actin. E) All of the answers are correct. Answer: E Learning Outcome: 3-2 Bloom's Taxonomy: Knowledge 41) Which of the following consists of a network of intracellular membranes with attached ribosomes? A) rough endoplasmic reticulum B) smooth endoplasmic reticulum C) mitochondria D) nucleoli 9 E) Golgi apparatus Answer: A Learning Outcome: 3-2 Bloom's Taxonomy: Knowledge 42) Which form of endoplasmic reticulum modifies and packages newly synthesized proteins? A) ribosomal endoplasmic reticulum B) proteosomes reticulum C) raised endoplasmic reticulum D) smooth endoplasmic reticulum E) rough endoplasmic reticulum Answer: E Learning Outcome: 3-2 Bloom's Taxonomy: Knowledge 43) Each of the following is a function of smooth endoplasmic reticulum except A) storage and release of calcium ions. B) modification of protein. C) synthesis of steroid hormones. D) synthesis of triglycerides. E) detoxification of drugs. Answer: B Learning Outcome: 3-2 Bloom's Taxonomy: Comprehension 44) Some cells contain large numbers of mitochondria while others have relatively few or none. This suggests that A) cells with large numbers of mitochondria are short-lived. B) cells with large numbers of mitochondria have a high energy demand. C) cells with small numbers of mitochondria have a large ATP supply. D) cells with large numbers of mitochondria have a low energy demand. E) some cells are older than others. Answer: B Learning Outcome: 3-2 Bloom's Taxonomy: Application 10 Figure 3-1 The Anatomy of a Representative Cell Use Figure 3-1 to answer the following questions (45-50): 45) Which structure organizes the mitotic spindle during cell division? A) 1 B) 2 C) 3 11 D) 5 E) 6 Answer: B Learning Outcome: 3-2 Bloom's Taxonomy: Comprehension 46) Synthesis of carbohydrates and lipids occurs in the structure labeled A) 4. B) 5. C) 6. D) 7. E) 8. Answer: D Learning Outcome: 3-2 Bloom's Taxonomy: Comprehension 47) Which structure produces ATP for the cell? A) 1 B) 2 C) 3 D) 5 E) 6 Answer: C Learning Outcome: 3-2 Bloom's Taxonomy: Comprehension 48) Which organelle renews the cell membrane and modifies and packages proteins for secretion? A) 4 B) 5 C) 6 D) 7 E) 8 Answer: C Learning Outcome: 3-2 Bloom's Taxonomy: Comprehension 49) The structure labeled "1" permits the cell to A) attach to neighboring cells. B) produce more cells. C) increase surface area for increased absorption. D) swim in extracellular fluid. E) trap bacteria. Answer: C Learning Outcome: 3-2 Bloom's Taxonomy: Comprehension 12 50) The components of ribosomes are formed within A) the endoplasmic reticulum. B) Golgi complexes. C) lysosomes. D) mitochondria. E) nucleoli. Answer: E Learning Outcome: 3-3 Bloom's Taxonomy: Knowledge 51) Most of a cell's DNA is located in its A) ribosomes. B) lysosomes. C) Golgi apparatus. D) nucleus. E) nucleolus. Answer: D Learning Outcome: 3-3 Bloom's Taxonomy: Knowledge 52) The triplet codes needed to specify a specific polypeptide chain are found in the A) cytoplasm. B) gene. C) codon. D) anticodon. E) polypeptide itself. Answer: B Learning Outcome: 3-3 Bloom's Taxonomy: Knowledge 53) mRNA is needed to synthesize ________ in the cytoplasm. A) carbohydrates B) lipids C) proteins D) phospholipids E) salts Answer: C Learning Outcome: 3-4 Bloom's Taxonomy: Knowledge 54) The process of protein formation directed by mRNA is called A) replication. B) transcription. C) translation. D) mitosis. E) auscultation. Answer: C 13 Learning Outcome: 3-4 Bloom's Taxonomy: Knowledge 55) The mRNA sequence that is complementary to the sequence ATC on DNA is A) ATC. B) TAG. C) UAG. D) AUG. E) AUC. Answer: C Learning Outcome: 3-4 Bloom's Taxonomy: Comprehension 56) Thymine is replaced by which nitrogen base in RNA? A) ribose B) uracil C) guanine D) thymine is not replaced in RNA E) cytosine Answer: B Learning Outcome: 3-4 Bloom's Taxonomy: Comprehension 57) The movement of oxygen from an area of high concentration to an area of low concentration is an example of A) osmosis. B) active transport. C) diffusion. D) facilitated transport. E) filtration. Answer: C Learning Outcome: 3-5 Bloom's Taxonomy: Knowledge 58) Diffusion of a substance across the cell membrane is influenced by all of the following except A) hydrolysis of ATP. B) the presence of the membrane channels. C) the charge on the ion. D) concentration gradient. E) lipid solubility. Answer: A Learning Outcome: 3-5 Bloom's Taxonomy: Knowledge 59) Osmotic pressure A) forces water to move toward the higher solute concentration. 14 B) forces water to move across a semipermeable membrane. C) can be opposed by hydrostatic pressure. D) increases as solute concentration increases. E) All of the answers are correct. Answer: E Learning Outcome: 3-5 Bloom's Taxonomy: Comprehension 60) Red blood cell shrinkage is to ________ as red blood cell bursting is to ________. A) crenation; hemolysis B) lysis; crenation C) hypotonic; isotonic D) isotonic; hypotonic E) isotonic; hypertonic Answer: A Learning Outcome: 3-5 Bloom's Taxonomy: Comprehension Xtra Credit (1 point each) 1) A chemical imbalance in the body can cause the heart to stop pumping blood, which in turn will cause other tissues and organs to cease functioning. This observation supports the view that A) all organisms are composed of cells. B) all levels of organization within an organism are interdependent. C) chemical molecules make up cells. D) blood has magical properties. E) congenital defects can be life-threatening. Answer: B Learning Outcome: 1-4 Bloom's Taxonomy: Application 2) If a response decreases a disturbance, the control system is classified as a ________ feedback system. A) deficit B) negative C) neutral D) polarized E) positive Answer: B Learning Outcome: 1-6 15 Bloom's Taxonomy: Comprehension 3) A dust particle floating on a water surface illustrates A) surface tension. B) chemical tension. C) static electricity. D) heat capacity. E) hydrophilic attraction. Answer: A Learning Outcome: 2-2 Bloom's Taxonomy: Knowledge 4) The following is a list of the steps involved in the process of secretion by the Golgi apparatus. What is the proper order for these steps? 1. Material moves from cisterna to cisterna by means of transfer vesicles. 2. Exocytosis 3. Products from RER are packaged into transport vesicles. 4. Secretory vesicles are formed at the maturing face. 5. Vesicles arrive at the forming face. 6. Enzymes modify arriving proteins and glycoproteins. A) 5, 6, 1, 4, 2, 3 B) 2, 3, 5, 6, 1, 4 C) 4, 3, 1, 6, 5, 2 D) 3, 5, 6, 1, 4, 2 E) 1, 3, 6, 4, 2, 5 Answer: D Learning Outcome: 3-2 Bloom's Taxonomy: Comprehension 5) If a red blood cell (RBC) is placed in a 0.5% salt solution, which of the following would occur? 1. Water will move out of the RBC. 2. RBC will hemolyze. 3. RBC will crenate. 4. Water will enter the RBC. A) 1 and 3 only B) 2 and 3 only C) 1 and 2 only D) 3 and 4 only E) 2 and 4 only Answer: E Learning Outcome: 3-5 Bloom's Taxonomy: Comprehension 16