Archives: Quiz

1) which of the following study methods are useful for anatomy and physiology courses? a) read the lecture sections before class. b) devote a block of time for study. c) do not procrastinate. d) develop memorization skills. e) all of […]

1) 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 […]

1) which of the following statements about the menstrual cycle is true? a) the first occurrence is termed menarche b) it is ultimately controlled by gnrh c) is skipped in pregnancy d) often involves painful myometrial contraction e) all of […]

1) ependymal cells work to a) surround the capillaries of the choroid plexus. b) secrete csf into the ventricles. c) remove waste products from csf. d) adjust the composition of csf. e) all of the answers are correct. 2) which […]

1) enterogastric reflexes a) inhibit gastric motility. b) inhibit gastric secretion. c) are triggered by chyme entering the duodenum. d) involve the enteric nervous system. e) all of the answers are correct. 2) melatonin is produced by the a) thymus. […]

1) 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. 2) which surface feature(s) along the ilium mark(s) attachment sites for large hip […]

1) the portion of the nasal cavity contained within the flexible tissues of the external nose is the a) nasopharynx. b) vestibule. c) internal chamber. d) conchae. e) nasal septum. 2) type ii diabetes is characterized by: a) a lack […]

1) active sites on the actin become available for binding after a) actin binds to troponin. b) troponin binds to tropomyosin. c) calcium binds to troponin. d) calcium binds to tropomyosin. e) myosin binds to troponin. 2) changes in blood […]

1) exchange between the two main subdivisions of ecf occurs primarily at the a) veins. b) muscles. c) tissues. d) capillaries. e) arteries. 2) a sample of tissue displays many large flattened spaces lined by fenestrated endothelium. blood moves slowly […]

1) the medial border of the fibula is bound to the ________ by the interosseous membrane. a) femur b) tibia c) patella d) navicular e) femur and the tibia 2) the freedom of movement is relatively greater in the a) […]

1) in large arteries, the thick layer of elastic fibers is called the a) tunica intima. b) external elastic membrane. c) tunica media. d) internal elastic membrane. e) tunica externa. 2) the obturator nerve is distributed to the a) adductors […]

1) inappropriate or excessive immune responses to antigens are a) immunodeficiency diseases. b) autoimmune diseases. c) allergies. d) the result of stress. e) signs of a weak system. 2) each of the following statements concerning development is true, except that […]

1) the posterior horns of the spinal cord contain mainly a) sensory nuclei. b) somatic motor nuclei. c) autonomic motor nuclei. d) nerve tracts. e) sympathetic nuclei. 2) in order to perform a cabg, a cardiac surgeon must a) open […]

1) ectoderm is to ________ as mesoderm is to ________. a) neural tissue; muscle tissue b) cardiovascular system; neural tissue c) mesoderm; endoderm d) neural tissue; epithelial tissue e) muscle tissue; nerve tissue 2) what structure is covered by many […]

1) two types of vesicular transport include a) endocytosis and retrocytosis. b) endocytosis and exocytosis. c) exocytosis and retrocytosis. d) pinocytosis and active transport. e) passive diffusion and active diffusion. 2) in hydrolysis reactions, compounds react with a) hydrogen, causing […]

1) the senses of equilibrium and hearing are provided by receptors in the a) membranous endolymph. b) organ of schlemm. c) inner ear. d) bony labyrinth. e) perilymph. 2) the pituitary hormone that causes the kidney to reduce water loss […]

1) about 70% of carbon dioxide is transported in deoxygenated blood a) as dissolved co2 in the blood plasma. b) as bicarbonate ions bound to hemoglobin in red blood cells. c) combined with hemoglobin as carbaminohemoglobin. d) as bicarbonate ions […]

1) figure 7-1 floor of the cranial cavity identify the internal occipital crest. a) 1 b) 2 c) 3 d) 4 e) 5 2) a solution that contains a lower osmotic pressure than the cytoplasm of a cell is called […]

1) organelles that break down fatty acids and hydrogen peroxide are a) lysosomes. b) peroxisomes. c) endocytic vesicles. d) nuclei. e) toxisomes. 2) in which of the following situations would you expect the blood level of bilirubin to be elevated? […]

1) the preferred site for intramuscular (im) injections in infants that is part of the four muscles in the anterior thigh is the a) gluteus maximus. b) gluteus minimus. c) soleus. d) vastus lateralis. e) deltoid. 2) unlike cartilage, bone […]

1) the heart pumps approximately ________ liters of blood each day. a) 8,000 b) 15,000 c) 20,000 d) 50,000 e) 100,000 2) if a cell lacked the enzyme dna polymerase, it could not a) form protein. b) form complementary sequences […]

1) the following are structural components of the conducting system of the heart. 1. purkinje fibers 2. av bundle 3. av node 4. sa node 5. bundle branches the sequence in which excitation would move through this system is a) […]

1) the two common iliac veins form the a) femoral vein. b) greater saphenous vein. c) inferior vena cava. d) hepatic portal vein. e) innominate vein. 2) which of these surface features occur on the ulna? a) olecranon b) styloid […]

1) blood from capillaries on the superior surface of the foot drains into a(n) a) plantar vein. b) dorsal venous arch. c) small saphenous vein. d) peroneal vein. e) iliac vein. 2) severe kidney damage (such as glomerulonephritis) often leads […]

1) a simple endocrine reflex involves ________ hormone(s). a) one b) two c) hypothalamic d) gonadotropic e) tropic 2) respiratory function deteriorates as a result of pneumonia because inflammation a) causes fluids to leak into the alveoli. b) causes respiratory […]

1) the layer of connective tissue that surrounds a fascicle within a peripheral nerve is the a) perineurium. b) epineurium. c) endoneurium. d) epimysium. e) endosteum. 2) which of these refers to the dense connective tissue that surrounds a muscle […]

1) types of skin cancers include a) squamous cell carcinoma. b) malignant melanoma. c) basal cell carcinoma. d) actinic keratosis. e) a, b, and c 2) the pituitary hormone that promotes ovarian secretion of progesterone and testicular secretion of testosterone […]

1) a mature red blood cell lacks a nucleus; therefore, it a) can repair itself readily. b) is malformed. c) can only divide once more. d) will be a long-lived cell. e) cannot make new proteins and will be worn […]

1) which vessel is known as a resistance vessel? a) arteriole b) elastic c) connective d) muscular e) venule 2) the bones that form the palm are the a) carpals. b) tarsals. c) metacarpals. d) metatarsals. e) phalanges. Answer: c […]

1) the ________ provides the principal link between the nervous and endocrine systems. a) cerebellum b) medulla oblongata c) cerebrum d) pons e) hypothalamus 2) cancer cells a) are indistinguishable from normal body cells. b) have a slow mitotic rate. […]

1) variations in hair color reflect differences in the pigment produced by a) keratinocytes. b) melanocytes. c) dermal papillae. d) soft keratin. e) carotene cells. 2) isotopes of an element differ in the number of a) protons in the nucleus. […]

1) near the carotid sinus, a) the common carotid divides into an internal and an external branch. b) the internal carotids fuse with the vertebral arteries. c) the external carotid forms the internal carotid. d) veins and arteries anastomose. e) […]

1) compounds that cells can use to make glucose include all of the following, except a) acetyl-coa b) glycerol c) amino acids d) lactic acid e) pyruvic acid 2) at the knee, the small saphenous, tibial, and fibular veins unite […]

1) the vocal folds are located within the a) nasopharynx. b) oropharynx. c) larynx. d) trachea. e) bronchi. 2) the ability of smooth muscle to function over a wide range of lengths is called a) elasticity. b) contractility. c) extensibility. […]

1) all of the following are true of the lining of the stomach, except that it a) has a simple columnar epithelium. b) is covered by a thick, viscous mucus. c) is constantly being replaced. d) contains gastric pits. e) […]

1) in passive immunization, the a) immune system attacks normal body cells. b) body is deliberately exposed to an antigen. c) body receives antibodies produced by other humans. d) body receives antibodies produced by an animal. e) body receives antibodies […]

1) examination of a tissue sample reveals groups of cells united by junctional complexes and interlocking membranes. the cells have one free surface and lack blood vessels. the tissue is most likely ________ tissue. a) muscle b) neural c) epithelial […]

1) cerebrospinal fluid a) is secreted by ependymal cells. b) is formed by a passive process. c) is normally produced twice as fast as it is removed. d) has almost the same composition as blood plasma. e) contains blood cells […]

1) the following is a list of the steps involved in the process of secretion by the golgi apparatus. 1. material moves from cisterna to cisterna by means of transfer vesicles. 2. exocytosis. 3. products from rer are packaged into […]

1) the placenta is a source of which of these hormones? a) hcg b) relaxin c) placental lactogen d) progesterone e) all of the answers are correct. 2) ________ are blade-shaped teeth that function in cutting or clipping. a) canines […]

1) nodding your head “yes” is an example of a) lateral and medial rotation. b) circumduction. c) flexion and extension. d) pronation and supination. e) protraction and retraction. 2) small, wandering cells that engulf cell debris and pathogens in the […]

1) a vein that measures 5 mm would be considered a) a large vein. b) a venule. c) a medium vein. d) an arteriovenule. e) a venous valve. 2) lipogenesis generally begins with a) glucose. b) amino acids. c) fatty […]

1) each of the following is a normal constituent of urine, except a) hydrogen ions. b) urea. c) proteins. d) amino acids. e) creatinine. 2) the condition known as “flat feet” is due to a lower-than-normal longitudinal arch in the […]

1) figure 20-2 cardiac cycle what is occurring in the left atrium at the circle labeled “2” on the graph? a) left atrium is pressurizing the left ventricle b) left atrium is in systole c) left atrial pressure is decreasing […]

1) if 8 molecules of nadh from the citric acid cycle entered the ets, how much atp would be produced? a) 36 atp b) 32 atp c) 3 atp d) 8 atp e) 24 atp 2) during exercise a) venous […]

1) the highest concentration of merocrine sweat glands is found a) in the axillae. b) on the chest. c) on the palms of the hands. d) on the upper back. e) surrounding the genitals. 2) figure 8-1 the scapula what […]

1) adhesions between abdominopelvic organs occur when a) serous membranes are damaged. b) synovial membranes are damaged. c) muscle is damaged. d) nerve cells are damaged. e) mucous membranes are damaged. 2) bone tissue formation begins when osteoblasts secrete a) […]

1) a brain injury to a patient results in facial paralysis. which descending tract is most likely affected? a) corticospinal tract b) tectospinal tract c) rubrospinal tract d) corticobulbar tract e) reticulospinal tract 2) a decrease in the autonomic tone […]

1) figure 12-1 the neuron which type of membrane channels are found at label “3”? a) voltage-gated na+ channels b) voltage-gated k+ channels c) chemically-gated na+ and k+ channels d) voltage-gated ca2+ channels e) both voltage-gated na+ channels and voltage-gated […]

1) relative to the lumen, which of these vessels has the thickest tunica media? a) arteries b) arterioles c) capillaries d) venules e) veins 2) visual pigments are derivatives of the compound a) retinal. b) opsin. c) rhodopsin. d) transducin. […]