BIOL181 week 2 quiz (GRADED A) Questions and Answers | 100% CORRECT

Question 1 of 33 0.0 / 3.0 Points Which of the following statement(s) is(are) correct? • A. Anabolism is a process in which complex structures or molecules are broken down into much simpler ones. • B. Catabolism is a process in which simple molecules can be combined to form more complex molecules or tissues. • C. Metabolism is the sum of all anabolic and catabolic reactions that take place in the body. • D. A waste product of all the reactions that take place in a cell is the molecule ATP. • E. All of the above statements are correct. Feedback: Metabolism is the sum of all anabolic and catabolic reactions that take place in the body. A process in which complex molecules are broken down is called catabolism; anabolism is a process in which simple molecules are chemically combined into more complex molecules. The molecule ATP is the most important molecule in which energy is stored and then made usable for reactions inside each cell of the body. Question 2 of 33 0.0 / 3.0 Points Organization, metabolism, responsiveness, movement, development, growth and reproduction all together are called of a human body. • A. anabolism • B. functions • C. structures • D. catabolism • E. anatomy Feedback: By definition, all of the following are called functions of a human body: Organization, metabolism, responsiveness, movement, development, growth and reproduction. Question 3 of 33 3.0 / 3.0 Points Which of the following statements is(are) correct when discussing homeostasis? • A. Maintaining homeostasis requires that the body continuously monitor its internal conditions. • B. A sensor, also referred to a receptor, is a component of a feedback system that monitors a physiological value. • C. This value is then reported to the control center. The control center is the component in a feedback system that compares the value to the normal range. • D. If there is a condition that needs to be changed, an effector is the component in a feedback system that causes a change to reverse the situation and return the value to the normal range. • E. All of the above are correct/true. Feedback: Good work; your answer is correct! Question 4 of 33 0.0 / 3.0 Points The body system responsible for structural support and movement is the . • A. endocrine system • B. muscular system • C. skeletal system • D. cardiovascular system • E. gastrointestinal system Feedback: By definition, the skeletal system is responsible for both the structural support and the movement of an organism. Question 5 of 33 3.0 / 3.0 Points If some condition of the body needs to be returned to its “set point”, i.e. homeostasis, then a(n) feedback loop comes into play. • A. continuous • B. negative • C. reversed • D. outside • E. positive Feedback: Good work; your answer is correct! Question 6 of 33 0.0 / 3.0 Points Which of the following statements is true? • A. Human anatomy is the scientific study of the body’s structures. • B. Gross anatomy is the study of the larger structures of the body. • C. C. Microscopic anatomy is the study of structures that can be observed only with the use of a microscope or other magnification devices. • D. Human physiology is the scientific study of the chemistry and physics of the structures of the body and how they work together to support the functions of life. • E. All of the above statements are true. Feedback: All of the statements are true. Question 7 of 33 3.0/ 3.0 Points The following are all levels of the structural organization of the human body: 1. Organ 2. Organ system 3. Tissue 4. Cell 5. Chemical level Arrange the above levels from least complex to most complex: • A. 5, 4, 3, 1, 2 • B. 3, 4, 1, 2, 5 • C. 1, 2, 3, 4, 5 • D. 5, 4, 6, 2, 1 • E. 4, 5, 1, 2, 3 Feedback: Good work; your answer is correct! Question 8 of 33 3.0 / 3.0 Points Which of the following statement(s) is(are) correct? • A. Regional anatomy is the study of the interrelationships of all of the structures in a specific body region • B. Systemic anatomy is the study of the structures that make up a discrete body system. • C. Your study of anatomy and physiology will make more sense if you continually relate the form of the structures you are studying to their function. • D. Like most scientific disciplines, anatomy has areas of specialization. • E. All of the above statements are true. Feedback: Good work; your answer is correct! Part 2 of 7 - 21.0/ 24.0 Points Question 9 of 33 3.0/ 3.0 Points Human sex cells (sperm or egg) contain chromosomes. All other cells contain chromosomes. • A. 23; 46 • B. 22; 44 • C. 30; 60 • D. 25; 50 • E. 24; 48 Feedback: Good work; your answer is correct! Question 10 of 33 3.0 / 3.0 Points The molecules which store the genetic instructions of an organism is . • A. DNA • B. Histone • C. ATP • D. RNA • E. ADP Feedback: Good work; your answer is correct! Question 11 of 33 3.0 / 3.0 Points The stage of the cell cycle during which two new and fully functional nuclei are formed is called . • A. G3 • B. G2 • C. G1 • D. S • E. M Feedback: Good work; your answer is correct! Question 12 of 33 0.0 / 3.0 Points The cells that make up nearly all of the body contain an equal number of chromosomes that they receive from each parent. These are called cells. • A. Sex cells • B. Mitotic cells • C. Duplex cells • D. Bipolar cells • E. Somatic cells Feedback: A somatic cell is a general term for a body cell, and all human cells, except for the cells that produce eggs and sperm (which are referred to as germ cells), are somatic cells. Somatic cells contain two copies of each of their chromosomes (one copy received from each parent). Question 13 of 33 3.0 / 3.0 Points The process when the cytoplasm actually divides into two separate cells is named . • A. Meiosis • B. Mitosis • C. Cytokinesis • D. Interphase • E. Prophase Feedback: Good work; your answer is correct! Question 14 of 33 3.0 / 3.0 Points Which of the following sequences on a DNA molecule would be complementary to GCTTATAT? • A. TAGGCGCG • B. ATCCGCGC • C. CGAATATA • D. TGCCTCTC • E. None of the above Feedback: Good work; your answer is correct! Question 15 of 33 3.0 / 3.0 Points DNA, and the genes found on the strands of DNA, contain information necessary for synthesizing which type of material? • A. glucose • B. DNA • C. carbohydrates • D. proteins • E. ATP Feedback: Good work; your answer is correct! Question 16 of 33 3.0 / 3.0 Points A is a membranous, bean-shaped organelle that is called the “energy transformer” of the cell. • A. Nucleus • B. Golgi apparatus • C. Mitochondrion • D. Ribosome • E. Nucleolus Feedback: Good work; your answer is correct! Part 3 of 7 - 12.0/ 18.0 Points Question 17 of 33 0.0 / 3.0 Points muscle is not voluntary and is responsible for the involuntary movements of internal organs such as the esophagus. • A. Skeletal • B. Cardiac • C. Columnar • D. Smooth • E. Stratified Feedback: Smooth muscle tissue contraction is responsible for involuntary movements in the internal organs Question 18 of 33 3.0 / 3.0 Points The standard and initial response of the body to injury is called . • A. fever • B. necrosis • C. apoptosis • D. inflammation • E. cell atrophy Feedback: Good work; your answer is correct! Question 19 of 33 3.0 / 3.0 Points According to your author, which of the following functions of connective tissue is its most important function? • A. energy storage • B. forming glands • C. transport of fluid, nutrients, waste • D. protection • E. support and connect other tissues Feedback: Good work; your answer is correct! Question 20 of 33 0.0 / 3.0 Points Cartilage is a specific type of connective tissue. What is the most common type of cartilage in the body? • A. Connective cartilage • B. Chondrocartilage • C. Fibrocartilage • D. Elastic cartilage • E. Hyaline cartilage Feedback: Hyaline cartilage, the most common type of cartilage in the body, consists of short and dispersed collagen fibers and contains large amounts of proteoglycans. Question 21 of 33 3.0 / 3.0 Points Simple epithelium appears under a microscope like scales. They usually lie flat and horizontal. • A. junctional • B. squamous • C. cuboidal • D. stratified • E. columnar Feedback: Good work; your answer is correct! Question 22 of 33 3.0 / 3.0 Points The of a neuron receive impulses from other neurons; the transmits nerve impulses to other cells. • A. Dendrites; axon • B. Axon; dendrites • C. Soma; axon • D. Soma; dendrites • E. None of these pairs are correct. Feedback: Good work; your answer is correct! Part 4 of 7 - 9.0/ 15.0 Points Question 23 of 33 3.0 / 3.0 Points What is the largest organ of the body? • A. Skin • B. Liver • C. Heart • D. Brain • E. Uterus Feedback: Good work; your answer is correct! Question 24 of 33 0.0 / 3.0 Points Which of the following glands are closely associated with thermoregulation? • A. Eccrine sweat gland • B. Apocrine sweat gland • C. Sebaceous gland • D. Two of the above • E. None of the above Feedback: Eccrine sweat glands are activated primarily during thermoregulation whereas apocrine plays more of a role in the human pheromone response. Sebaceous glands secrete sebum. Question 25 of 33 3.0 / 3.0 Points Which of the following cells are primarily responsible for producing the pigment that gives color to the skin? • A. Basal cells • B. Merkel cells • C. Keratinocytes • D. Melanocytes • E. Langerhans cells Feedback: Good work; your answer is correct! Question 26 of 33 0.0 / 3.0 Points Which of the following skin conditions results from long-term, unrelieved pressure over certain body parts that are bony, leading to death of the overlying tissue? • A. Decubitus ulcer • B. Bedsore • C. Corn • D. Keloid • E. Two of the above Feedback: Decubitus ulcers, otherwise known as bedsores, typically result when pressure is not relieved over body areas of the skin, cutting of blood supply, inevitably causing necrosis to the tissue. Question 27 of 33 3.0 / 3.0 Points The cuticle of the nail is also known as the . • A. Eponychium • B. Lunula • C. Hyponychium • D. Perinychium • E. None of the above Feedback: Good work; your answer is correct! Part 5 of 7 - 6.0/ 6.0 Points Question 28 of 33 3.0 / 3.0 Points Which of the following processes does NOT require energy from ATP? • A. exocytosis • B. active transport • C. facilitated diffusion • D. phagocytosis Feedback: Correct. Good job! Question 29 of 33 3.0 / 3.0 Points Glands are considered which type of tissue? • A. connective • B. muscle • C. nervous • D. epithelial Feedback: Correct. Good job! Part 6 of 7 - 3.0/ 9.0 Points Question 30 of 33 0.0 / 3.0 Points Why did scientists put shrimp on a treadmill? • A. To measure free radicals affecting crustaceans • B. To educate the public about pollution • C. To provide therapy to injured crustaceans • D. To determine how fast crustaceans can run • E. To compare data to human “stress tests” Feedback: Understanding how crustaceans are impacted by poor water quality caused by human contamination was the basis for this study. Review the section titled “Case Study: Why Did We Put Shrimp on a Treadmill” in the Week 2 Lab ELF Lesson. Question 31 of 33 0.0 / 3.0 Points Jaques Cousteau’s observations aboard the Calypso contributed to what type of science? • A. Opinion-driven • B. Pure • C. Fact-based • D. Hypothesis-driven • E. Applied Feedback: Jaques Cousteau’s journeys across myriad bodies of water served to increase the knowledge of the world’s marine ecosystems. Review the various types of science in the Week 2 Lab ELF Lesson. Question 32 of 33 3.0/ 3.0 Points Which of the following is considered a secondary source of research? • A. Lab notebooks • B. Peer-reviewed journals • C. Conference papers • D. Theses compositions • E. Published books Feedback: Correct! Secondary research is considered original work that has been interpreted or evaluated by a second party. Part 7 of 7 - Part 7 - 1 Question 4 points 4.0/ 4.0 Points Question 33 of 33 4.0 / 4.0 Points The largest and most prominent of a cell’s organelles is its . • A. nucleus • B. nucleolus • C. mitochondrion • D. ribosome • E. Golgi apparatus Feedback: Good work; your answer is correct! Show Less