Archives: Quiz

1) a tracing of the electrical activity of the heart, monitored by electrodes placed on the skin, is called a(n) ________. 2) for a person suffering from ________, the focal point of the object is focused in front of the […]

1) a ________ is a single energy packet of visible light. 2) define the term transport maximum and describe a way cells can increase their transport capacity. answer: the transport maximum occurs when all carrier binding sites are filled with […]

1) human somatic cells contain ________ chromosomes. 2) define, compare, and contrast each term listed, and explain how the terms are related to each other: tendons, ligaments, cartilage, bone. answer: each term is a type or subtype of connective tissue. […]

1) explain the differences between channel proteins and carrier proteins and why cells need both. 2) the study of hormones is known as the field of ________. answer: endocrinology 3) two methods of protein activation include ________ and ________. answer: […]

1) a resting heart rate of less than 60 beats per minute is identified as ________. 2) bowel and bladder control involve spinal reflex pathways that are located in the sacral region of the spinal cord. in both instances, two […]

1) the output of the ________ group of inspiratory neurons controls the ________ muscle(s) by way of the ________ nerve. 2) list any five nutrients important for blood cell synthesis and briefly explain the role of each. answer: table 16.3 […]

1) the loss of water in the urine due to unreabsorbed solutes is known as ________. 2) how does altitude affect blood composition and why? how would athletes’ performance be affected if they live, train, and compete at different altitudes? […]

1) explain each of these terms: antibiotic, antibody, antigen, antihistamine, antiretroviral drug, antiviral drug. 2) ________ are fixed macrophages found in the liver. answer: kupffer cells 3) the sum of all of the electrical and chemical forces active across the […]

1) ________ is the time spent in prenatal development. 2) therapeutic surgical removal of the thyroid gland was documented more than 1000 years ago. in the 19th century, a surgeon performing that procedure had only about 50% patient survival, and […]

1) ________ is the loss of accommodation that occurs with age due to a loss of lens elasticity. 2) map the following terms: blood distribution, blood volume, cardiac output, diameter of the arterioles, diameter of the veins, fluid intake, fluid […]

1) as an object moves closer to the eye, the ciliary muscle ________ making the lens ________ in order to keep the object in focus. 2) the decrease in blood pressure upon standing is known as ________. answer: orthostatic hypotension […]

1) describe the pleura and explain its role in respiration. 2) what is the ens, and when was it discovered? what is its significance, what is its nickname, and what are the characteristics that justify that nickname? answer: ens is […]

1) nervous tissue consists of two general types of cells: nerve cells and glial cells. glial cells are mitotic, whereas neural cells are not (excluding the small population of stem cells). which type of cell is most likely to be […]

1) a ________ is an instrument that measures the volume of air moved with each breath. 2) prior to the discovery of the role of insulin in metabolism and the development of insulin therapy to treat diabetes mellitus, a diagnosis […]

1) presence of glucose in the urine is evidence of what condition? 2) how is a carrier protein like a ship canal? answer: see figure 5.13 in the chapter. 3) what are nsaids, what is their function, and what are […]

1) lipoproteins that contain large amounts of cholesterol for transport to peripheral tissues are called ________. 2) you are walking to school one day when you notice an alien spaceship that has crashed in a nearby field. you and some […]

1) explain how ca2+ levels inside myocardial cells are important to cell function. 2) both alpha-bungarotoxin and curare bind to the same neurotransmitter receptor, but only curare binds reversibly. which receptor is involved? list some locations for this receptor. would […]

1) there are two solutions separated by a semipermeable membrane. solution a is 0.2 m nacl and solution b is 0.1 m cacl2. will there be a net flow of water across the membrane? why or why not? 2) the […]

1) neural control of gfr is mediated by ________ that innervate ________ receptors on vascular smooth muscle causing ________. 2) before nitric oxide was identified, its action was observed in ________ and it was given the name ________. answer: endothelial […]

1) what would the labels be for the graph axes? 2) describe how lateral inhibition allows for localization of a stimulus. answer: lateral inhibition increases the contrast between receptive fields with the greater extent of activation and the nearby, lesser […]

1) compare and contrast the structural and functional differences between single-unit and multi-unit smooth muscle fibers, particularly in regard to their ability to vary their force of contraction. 2) give a brief synopsis of cns control of movement. answer: motor […]

1) muscle fatigue arises primarily from failure in a) neuromuscular transmission. b) initiation of contraction by the motor cortex. c) excitation-contraction coupling. d) signal relay from brain to spinal cord. e) calcium pumps in the skeletal muscles. 2) match the […]

1) identify the false statement regarding sensory receptor cells. a) threshold is the minimal stimulus intensity required to generate an action potential. b) sensory transduction converts stimulus energy into a receptor potential. c) each type of sensory receptor responds only […]

1) which is/are the most common inhibitory neurotransmitter(s) of the cns? a) gaba only b) glycine only c) glutamate only d) gaba and glycine e) all of the answers are correct. 2) a horse runs 10 races, each a mile […]

1) match the type of signal to its description (answers may be used more than once). a. graded potential b. action potential c. both require(s) a minimum stimulus to occur 2) classify each scenario below as to primarily which type […]

1) if the resting axon’s membrane becomes more permeable to potassium ions, a) the inside of the membrane will become more positively charged. b) the membrane will depolarize more rapidly. c) it will take a stimulus of larger magnitude to […]

1) the only blood vessels whose walls permit exchange between the blood and the surrounding interstitial fluids are the a) arterioles. b) venules. c) capillaries. d) arterioles and capillaries. e) venules and capillaries. 2) anabolism is a term that describes […]

1) the nernst equation predicts a) intracellular ion concentrations. b) extracellular ion concentrations c) the membrane potential resulting from all permeable ions. d) the membrane potential resulting from permeability to a single ion. e) the threshold membrane potential. 2) the […]

1) a flagellum moves a cell through a fluid medium. what moves the fluid medium across the surface of cells that are not free to move? a) centrioles b) thick filaments c) cilia d) ribosomes e) endoplasmic reticulum 2) the […]

1) if the edv is 140 ml, which other values are most likely to occur in a healthy, normal person? a) the esv could be 70 ml and the sv could be 90 ml. b) the esv could be 90 […]

1) pre-diabetes is a condition that will likely become diabetes if eating and exercise habits are not altered. a) true b) false 2) each of the following factors would increase peripheral resistance except one. identify the exception. a) increased sympathetic […]

1) match the following terms with the correct descriptions. a. lymphocytes b. erythrocytes c. eosinophils d. platelets e. neutrophils these are fragments of a megakaryocyte. 2) match the response to the description. a. increase b. decrease c. no change plasma […]

1) match the change with the cardiovascular event described. a. increased b. decreased c. unchanged d. stopped when a blood vessel dilates, velocity of blood is ________. 2) the brief period of time between the beginning of the action potential […]

1) the process of creating glucose out of non-carbohydrate precursors to make more energy for exercise is referred to as a) glycolysis. b) gluconeogenesis. c) ketolysis. d) hydrosis. 2) match the type of immunity to its description. a. specific b. […]

1) draw three graphs depicting how the following change during normal inspiration and expiration: a. alveolar pressure b. intrapleural pressure c. volume of air moved 2) graded potentials may a) initiate an action potential. b) depolarize the membrane to the […]

1) the i band contains a) thick filaments only. b) thin filaments only. c) myosin only. d) thick and thin filaments. 2) on a dark night, the rods have a high concentration of a) opsin. b) camp. c) cgmp. d) […]

1) which of these does not increase the risk for cardiovascular disease? a) being a male over 30 but under 55 b) being a female over 30 but under 55 c) having a sister with coronary artery disease d) menopause […]

1) with heat acclimatization, a) sweating becomes more productive. b) aldosterone increases. c) sweating becomes more concentrated. d) sweating becomes more productive and aldosterone increases. e) aldosterone increases and sweating becomes more concentrated. 2) an increase in pco2 would cause […]

1) urine is produced by the a) gallbladder. b) urinary bladder. c) kidney. d) ureter. e) urethra. 2) the collection of axons that carries information between the central nervous system and the peripheral effectors is called the a) axon hillock. […]

1) which fibers generate more force? a) fast-twitch fibers b) slow-twitch fibers 2) erythropoietin (epo) was first isolated from the urine of anemic patients who had high circulating levels of the hormone. despite the presence of the hormone that stimulates […]

1) which of the following occurs during days 15-28 of the menstrual cycle? a) proliferative phase b) ovulation c) menstruation d) secretory phase 2) match the disease with the description. a. addison’s disease b. cushing’s disease c. graves’ disease d. […]

1) learning and memory are thought to be due to a synaptic phenomenon known as a) inhibition. b) excitation. c) modulation. d) facilitation. e) long-term potentiation. 2) when venous return is increased, stretch receptors in the atria of the heart […]

1) bulk flow is fluid flow as a result of a(n) ________ gradient. a) concentration b) electrical c) pressure d) two of the answers are correct. e) none of the answers are correct. 2) which of the following is greater? […]

1) intermediate filaments a) provide the cell with strength. b) stabilize the position of organelles. c) transport materials within the cytoplasm. d) form the neurofilaments in nerve cells. e) all of the answers are correct. 2) match the term to […]

1) homeostatic control that takes place at the tissue or cell by using paracrine or autocrine signals is called ________. a) local control b) reflex control c) cannon’s law d) down-regulation 2) transcription occurs in the ________ of the cell. […]

1) functions of the large intestine include a) chemical digestion of chyme. b) temporary food storage. c) resorption of water and compaction of feces. d) absorption of the products of digestion. e) all of these answers are correct. 2) the […]

1) stretch-sensitive mechanoreceptors known as ________ are located in some artery walls. a) nociceptors b) chemoreceptors c) baroreceptors d) elasticeptors 2) which of the following is/are vasoconstrictors? a) platelet-activating factor b) serotonin c) adenosine diphosphate d) thromboxane a2 e) serotonin […]

1) which functions are controlled through the autonomic nervous system? 1> blood pressure 2> heart rate 3> water balance 4> temperature regulation a) 1 and 2 b) 1 and 3 c) 1, 2, 3 d) 2, 3, 4 e) 1, […]

1) match the membrane protein with its function. a. transfer signals from the extracellular environment to the cytoplasm of the cell b. form cell-to-cell connections c. bind to molecules to facilitate entry to or exit from the cell d. ligands […]

1) match the term with its description: a. threshold b. effector c. integrating center d. setpoint e. sensory receptor the minimum stimulus to trigger a response 2) ten-year-old tina falls while climbing a tree and lands on her back. her […]