A&P 1 Exam Review 1) The connective tissue layer that surrounds each bundle of muscle fibers is called? 2) Which of the following is NOT true of a myofibril? 3) Name the muscle that contracts to assist the main muscle in performing an action 4) What is the role of tropomyosin in a sarcomere? 5) What is a fascicle of a skeletal muscle? 6) Which of the following nerves innervates the muscles of mastication? 7) Which of the following muscles of the head and neck originates on the sternum and clavicle, and inserts on the mastoid process? 8) Which of the following muscles of facial expression inserts on the orbicularis oris, and compresses the cheeks when blowing air? 9) Muscles in the forearm that move the hand have insertions on the 10) Which respiratory muscle(s) function(s) only during forced expiration? 11) Which of the following is NOT true of the diaphragm? 12) Which of the pelvic floor muscles inserts only on the coccyx? 13) Which of the abdominal wall muscles help(s) flex the vertebral column? 14) Which of the following muscles of the vertebral column are unique, in that they originate on the iliac crest? 15) The anterior portion of the perineum is called the 16) Muscles that move the thigh at the hip joint have insertions on the 17) Muscles that move the leg at the knee joint have origins on the 18) Which of the following is NOT true of the gastrocnemius muscle? 19) Which type of neuroglia forms the myelin sheath around some axons of the PNS (peripheral nervous system)? 20) A bundle of nerve fibers is surrounded by a layer of fibrous connective tissue called the 21) Sensory neurons are

Version 1 2 22) What is found in the posterior root ganglion of a spinal nerve 23) Which of the following is true of interneurons? 24) Which of the following is NOT true of the epidural space? 25) All of the following are major spinal nerve plexuses except the __________ plexus. 26) Which of the following is NOT true of the brachial plexus? 27) The normal response(s) in the plantar reflex is/are 28) Reflexes involving skeletal muscles are called __________ reflexes. 29) Which portion of a reflex arc is the only portion that is found entirely within the CNS? 30) The anterior roots of spinal nerves house axons of 31) Which of the following is NOT true of the cranial nerves? 32) Which of the dural septa separates the cerebrum from the cerebellum? 33) A shallow groove on the surface of the brain is called a 34) Which portion of the brainstem is responsible for the visual and auditory reflexes? 35) Which of the following is the main area of the brain that receives information from skin receptors and proprioceptors? 36) Which type of sensory receptors respond to tissue damage, such as a cut, or a temperature or pressure extreme? 37) Which of the following is NOT true of sensory adaptation? 38) Which of the following is NOT a stimulus for various mechanoreceptors? 39) A special sense is one that has 40) The form in which receptors send sensory information to the brain is called perception. 41) Umami taste receptors are sensitive to 42) Olfactory receptors cells send their action potentials through openings in the ethmoid bone, and synapse with neurons in the 43) The vagus nerve transmits gustatory nerve impulses from the entire tongue to the brain. 44) What is the function of the ciliary muscles? 45) Which portion of the lacrimal apparatus consists of 2 small pores that drain the tears off of the surface of the eye?

Version 1 3 46) Why is the optic disc sometimes called the blind spot of the eye? 47) Which of the following structures of the ear function(s) as (an) organ(s) in the sense of equilibrium? 48) Which of the following membranes acts as a rigid roof over the cilia of the hair cells of the spiral organ, causing the cilia to bend against it when sound waves are present 49) Vestibular neurons transmit nerve impulses along the vestibulocochlear nerve to all of the following sites except 50) The organs of static and dynamic equilibrium both contain hair cells, with stereocilia embedded in a gelatinous mass.