front 1 Facial Bones- | back 1 enclose the cranial cavity, which contains the brain and its fluids, blood vessels, nerves, and membranes. |
front 2 Hypophyseal fossa is- | back 2 a depression within a sella turcica. holds the pituitary gland. |
front 3 Which is not a cranial bone of the skull | back 3 sagittal bone |
front 4 All are superficial facial bones are all of the following except | back 4 palatine bones |
front 5 The skull contains 22 bones which are- | back 5 -8 cranial bones: form the braincase or cranium -14 facial bones: protect and support entrances to digestive and respiratory tracts |
front 6 Which is NOT a suture? Lambdoid Coronal Sagittal Vertical | back 6 vertical suture |
front 7 The appendicular skeleton is made up of | back 7 126 bones |
front 8 Articulations of the parietal bones are | back 8 sinuses |
front 9 Long bones are- | back 9 -found in arms, legs, hands, feet, fingers, and toes. -long and thin |
front 10 The diaphysis is | back 10 -shaft of the bone -a heavy wall of compact bone, or dense bone -a central space called the medullary (marrow) cavity |
front 11 Cells of the bone are all of the following, except- osteocytes osteoblasts osteoprogenitor cells glial cells | back 11 glial cells |
front 12 The periosteum | back 12 covers all bones except parts enclosed in joint capsules |
front 13 what is calcitrol? | back 13 a dietary source of calcium and phosphate salts |
front 14 Canaliculi can | back 14 -form pathways for blood vessels -exchange nutrients and wastes |
front 15 bones are classified by all of the following except | back 15 dimensions |
front 16 functions of skeletal system are all the following except | back 16 dilation |
front 17 Short bones are- | back 17 -small and thick -examples: ankle and wrist bones |
front 18 Osteocytes | back 18 -to maintain protein and mineral content of matrix -help repair damaged bone |
front 19 A serotonin deficiency may lead to | back 19 depression |
front 20 Relative refractory period | back 20 when membrane potential is almost normal, a very large stimulus can initiate action potential. |
front 21 Synaptic delay are all of the following except | back 21 protective mechanism excess neuronal activity |
front 22 Gated channels are all of the following except | back 22 thermal regulated channels |
front 23 Propagation of action potential of myelinated axons is | back 23 saltatory propagation |
front 24 Action potential is- | back 24 based on all or nothing principle |
front 25 The conduction velocity depends on all of the following except | back 25 oligodendrocyte |
front 26 Depolarization occurs when | back 26 Na enters the neuron |
front 27 Temporal summation | back 27 Multiple times, rapid, repeated stimuli at one synapse |
front 28 The resting membrane potential is usually at | back 28 -70mV |
front 29 Afferent neurons receive information from____ and efferent neurons send information to the ______ | back 29 peripheral nervous system |
front 30 The purkinje cells are | back 30 multipolar neurons |
front 31 The neuronal cell sends and receives information using | back 31 axon and dendrites |
front 32 bipolar neurons are | back 32 small and have one denrite and one axon |
front 33 The glia of the CNS are | back 33 microglia, astrocytes, oligodendrocytes, and eppendymal cells |
front 34 peripheral nervous system is composed of two divisions | back 34 somatic and autonomic nervous system |
front 35 Cholinergic neurotransmitter system is based on | back 35 acetylcholine |
front 36 Define the synapse | back 36 The site of transmission of electric nerve impulses between two nerve cells |
front 37 postsynaptic effect of acetylcholine is | back 37 depolarization caused by nicotinic or muscanric receptor |
front 38 Major nerve of the brachial plexus | back 38 Musculocutaneous nerve |
front 39 The three meningeal layers are | back 39 dura mater. arachnoid mater, pia mater |
front 40 The distal end includes | back 40 -conus meduallaris -filum terminale -cauda equina |
front 41 The cervical enlargement includes | back 41 nerves of shoulders and upper limbs |
front 42 Anterior white columns- | back 42 lie between anterior gray horns and anterior median fissure |
front 43 The regions of the brain are | back 43 -cerebrum -cerebellum -diencephalon -mesencephalon -pons -sadolla oblongata |
front 44 The connective tissue layers of spinal nerves are- | back 44 -epineurium -perineurium -endoneurium |
front 45 The ventral root- | back 45 contains axons of motor neurons |
front 46 The epidural space is | back 46 -between spinal dura mater and walls of vertebral canal -contains loose connective and adipose tissue -anesthetic injection site |
front 47 Deneculate ligaments are | back 47 -extend from pia mater to dura mater -stabilize side-to-side movement |
front 48 Thin filament contains the following thin filament proteins except- myosin f-actin nebulin troponin | back 48 myosin |
front 49 The epimysium- | back 49 surrounds the entire muscle, connected to deep fascia, separates muscle from surrounding tissues |
front 50 An isotonic contraction is | back 50 when tension rises and skeletal muscle changes length resulting in motion |
front 51 The A band contains all but the following M line H band Zone of overlap Thin Filaments | back 51 Thin filaments |
front 52 Z lines consist of protein called | back 52 Actinins |
front 53 Which is not a step of the contraction cycle? pivoting of actin heads exposure of active sites formation of cross-bridges detachment of cross bridges | back 53 pivoting of actin heads |
front 54 The triad- | back 54 is formed by one T tubule and two terminal cisternae |
front 55 Which is not a step twitches are divided into? Latent period (2msec) A contraction phase (15msec) A relaxation phase (25msec) Treppe | back 55 Treppe |
front 56 Aerobic metabolism | back 56 produces 34 ATP molecules per glucose molecule |
front 57 The sarcolemma | back 57 Surrounds the sarcoplasm (cytoplasm of muscle fiber) |