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Anatomy lecture

Questions from book

The specialized region of the sarcolemma at the neuromuscular junction that contains neurotransmitter receptors is called the: -Motor end plate
The ability of muscular tissue to respond to a stimulus by producing action potentials is referred to as: -electrical excitability
In Duchenne muscular dystrophy the gene that codes for the protein dystrophin is mutated. The function of dystrophin in muscle cells is to: -stabilize the position of thin filaments
The most fatigue-resistant skeletal muscle fibers are the: -slow oxidative fibers
The skeletal muscle fibers with the largest diameters that generate the most powerful contractions due to their high myofibril content are the: -fast glycolytic fibers
A motor unit is defined as a: -motor neuron and all the muscle fibers it stimulates
Arrange the following from the largest to smallest (1) myofibril (2) filament (3) muscle fiber (4) -4,3,1,2
The ____ is a dense connective tissue envelope that surrounds groups of muscles in the body. -Superficial fascia
Connective tissue that separates one muscle fiber from another is the ________. -Endomysium
Plate-shaped regions of dense material separating one sarcomere from the next are called_______. -Z lines
The two regulatory proteins in thin filaments are ______ and _______. -troponin, tropomyosin
The muscle tissue that exhibits autorhythmicity is ______. -cardiac muscle tissue
_______ is a stretched or partially torn muscle;_______ the forcible wrenching or twisting of a joint that stretches or tears its ligaments. -strain, sprain
Which of the following muscles that act on the thumb is not located on the thenar eminence: -abductor pollicis brevis -flexor pollicis brevis -opponens pollicis -flexor pollicis longus -two of the above Thenar muscles act on? -flexor pollicis longus -the thumb
During exhalation, the diaphragm: -relaxes and forms a dome
Choose the muscles(s) that depress(es) the mandible: -lateral pterygoid, digastric, and medial pterygoid
The action of the pectoralis major muscle is to: -flex, adduct, and rotate the arm medially
Which of the following is part of the medical compartment of muscles that act on the femur? -gracilis
Muscles of which group share a common origin on the ischium and act to extend the thigh and flex the leg? -hamstring muscles
In compartment syndrome, external or internal pressure constricts the structures within a compartment, resulting in damaged blood vessels and subsequent reduction of blood supply. If the syndrome is localized to the posterior crural compartment, function? -plantar flexion of the ankle joint
A muscle that contracts to cause the desired action is called the _______. Muscles that assist or cooperate with the muscle that causes the desired action are known as ________. -prime mover (agonist), synergists
The attachment of a muscles tendon to the stationary bone is called the_______, and the attachment of the muscle's other tendon to the movable bone is called the ________. -origin, insertion
In an anatomical lever system, _______ act as levers, ________ act as fulcrums, and the effort is provided by _______. -bones, joints, muscle contractions
The muscles of the posterior compartment of muscles, also known as the hamstrings, are the _________, the__________, and the ________. -semitendinosis, semimembranosus, biceps femoris
The Sternocleidomastoid and longissimus capitis muscles insert on the _______ of the temporal bone. -mastoid process
The diagram inserts onto the ______ tendon. -central
Three posterior thoracic muscles that adduct the scapula are the ______, the________, and the _________. -trapezius, rhomboid major, rhomboid minor
The diamond-shaped area that extends from the pubic symphysis anteriorly, to the coccyx posteriorly, and the ischial tuberosities laterally is the _______. -perineum
A circular muscle that decreases the size of an opening, such as the anus, is known as______. -sphincter
The pectineus, psoas major, adductor longus, and iliacus muscles have one action in common: ________ of the thigh. -flexion
The quadriceps femoris is the main muscle mass on the _______ surface of the thigh. The name of this muscle mass indicates it has ______ heads of origin. All converge to insert on the _______ (bone) by means of the patellar ligament. -anterior, four, tibia
The three muscles that utilize the calcaneal tendon to insert on the _______, The ________, and the _________. gastrocnemius, soleus, plantaris
On a surface projection, the apex of the heart is found at the: -inferior left point
The layer of the heart wall that is composed of cardiac muscle tissue is the: -myocardium
What is the correct route of blood through the heart from the systemic circulation to the pulmonary circulation and back to the systemic circulation? right atrium, tricuspid valve, right ventricle, pulmonary valve, left atrium, mitral valve, left ventricle, aortic valve.
Which chamber of the heart can occupy a greater volume of blood? left ventricle left atrium
What is the correct conduction of an impulse through the heart SA node, AV node, AV bundle, Bundle branches
The outermost layer of the heart, The ______, is also the innermost layer of the serous pericardium, the ________. Epicardium, visceral pericardium
The first two vessels to branch from the ascending aorta are the _________ and the __________. Right coronary artery, Left coronary artery
The first heart sound is created by turbulence of blood at the closing of the _______ valves. atrioventricular
Th branch of the left coronary artery that lies in the coronary sulcus and distributes oxygenated blood to the walls of the left atrium and ventricle is the ________. circumflex artery
During the period of ventricular filling, the AV valves are in the ______ position, and the semilunar valves are in the_______ position. open, closed
The term ______ refers to the contraction of a heart chamber, and the word ______ refers to the relaxation of the heart chamber. systole, diastole
The heart chamber with the thickest wall is the _______. left ventricle
The ______ point of the heart is located in the fifth left inter-costal space , about 9cm to the left of the midline. inferior left
Which of the following vessels carries the most highly oxygenated blood. -pulmonary veins
The cells of the gastric glands that produce secretions directly involved in chemical digestion are: chief cells
Which anatomical region of the stomach is closest to the esophagus? cardia
What are accessory organs of the digestive system? stomach
Which of the following digestive juices contains enzymes that digest carbohydrates, lipids, and proteins? pancreatic juice
The type of tissue that lines the stomach and intestines is: simple columnar epithelium
The roots of a tooth are covered by a tissue that is harder and denser than bone is called? cementum
The parotid glands are located? inferior and anterior to the ears
The region of the stomach that connects to the small intestine is the: pylorus
The largest peritoneal fold, which drapes over the transverse colon and small intestine, is the _______. greater omentum
Place the numbers in the blanks to indicate the correct order for the flow of bile. (a) bile canaliculi:_______ (b) common bile duct ________ © common hepatic duct_________ (e) hepatopancreatic ampulla and duodenum ________. 1,4,3,2,5
The scientific name for swallowing is ________. deglutition
The process by which contents of the gastrointestinal tract are propelled forward by coordinated contractions and relaxations of the circular and longitudinal muscles of the muscular is called______. peristalsis
First and second premolars and first, second, and third molars are characteristic of the _______ dentition. permanent
The______ is an organ of the digestive system that assumes a role in phagocytosis, manufacture of the plasma proteins, detoxification, and interconversions of nutrients. liver
The duct that conveys bile to and from the gallbladder is the ______duct. cystic
Parietal cells of the stomach secrete _______ and ______ and the chief cells secrete _________ and _______. hydrochloric acid, intrinsic factor, pepsinogen, gastric lipase
The two large lobes of the liver are the right and left lobes, and the two smaller lobes are the posterior ________ lobe and the inferior _______ lobe. caudate, quadrate
The three protein-digesting enzymes found in pancreatic juices are _________, _________, and _________. trypsin, chymotrypsin, carboxypeptidase
Created by: Awesomesauce182



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