Which of the following is a correctly describes muscle tissue?
 
What overlapping structures cause the “banding” appearance of skeletal muscle fibers?
 
Which of the following describes actin containing filaments?
 
What does it mean when the sarcolemma is depolarized?
 
What is the role of acetylcholine in muscle contraction?
 
What chemical triggers the sliding of the muscle filaments?
 
Which of the following describes complete tetanus of a muscle?
 
What is the slowest pathway for ATP regeneration?
 
Which of the following describes isometric muscle exercise?
 
When a person shakes the head to indicate “no,” what type of movement is being demonstrated?
 
What type of movement is indicated when a limb is moved toward the midline of the body?
 
Which of the following describes muscle insertion?
 
When the knee is bent, the hamstring group of muscles contract. What is the insertion of this muscle group?
 
 What is the significant role of synergists and fixators?
 
What criterion is used in naming the deltoid muscle?
 
What is the fascicle arrangement of the orbicularis oris muscle?
 
What muscle compresses the cheek to hold food between the teeth during chewing?
 
What muscle is responsible for the flexion of the head?
 
What muscle is a prime mover of arm abduction and also a favored site for administering intramuscular injections?
 
What is the function of the latissimus dorsi muscle? Answer Extension and adduction of the humerus Which muscle is responsible for knee flexion?
 
What muscle is the prime mover for plantar flexion?
 
Which of the following describes muscle fatigue?
 
Which of the following describes muscular dystrophy?
 
What is the function of the nervous system?
 
The peripheral nervous system is made up of which of the following?
 
What are Schwann cells?
 
What is the classification of a neuron when the cell body is located in the CNS and the primary function is connecting other neurons?
 
Which of the following describes the ability to respond to a stimulus?
 
What type of reflex regulates the activity of smooth muscles?
 
What structures are located in the diencephalon?
 
What lobe of the brain contains the primary somatic sensory area that receives and interprets impulses from the body’s general sensory receptors?
 
What structure represents a two-way conduction path to the brain and is a major reflex center?
 
Which of the following is a correct description of the autonomic nervous system? Answer It is the motor subdivision of the PNS that controls smooth muscles and glands. Which of the following describes the activity of the sympathetic nervous system?
 
Which of the following describes spina bifida?
 
Which of the following describes the optic lens?
 
What is the function of the ossicles?
 
The hair cells that function as hearing receptors are located in which of the following?
 
What is glaucoma?
 
What are the chemical messengers of the human body called?
 
What is a cell called when it presents a protein on its membrane that is specific for a hormone?
 
Which of the following is the chief means of regulating blood levels of hormones?
 
What endocrine gland is controlled by hormones produced in the hypothalamus?
 
Which of the following hormones exerts its primary effects on the reproductive organs?
 
What hormone is produced in response to low blood sugar levels?
 
What organ produces human chorionic gonadotropin?
 
What homeostatic disorder is associated with the hyposecretion of antidiuretic hormone?
 
Which of the following is characteristic of all leukocytes?
 
Which of the following accurately describes plasma?
 
Which of the following is the correct statement regarding blood cell formation?
 
What organ in the body regulates erythrocyte production?
 
Which of the following may trigger erythropoiesis?
 
WhyisthebirthofanRhpositivebabytoanRhnegativemotherapotentialhealthproblem?
 
Type O blood is considered the universal donor for which of the followingreasons?
 
What is a transfusion reaction?
 
What is anemia?
 
Small purplish spots, called petechiae, indicate which disorder?
 
Which of the following describes leukemia?
 
What is the major function of the cardiovascular system?
 
What is the middle layer of the heart wall called?
 
Which statement best describes arteries?
 
What vessel has the primary function of permitting the exchange of nutrients and gases between the blood and tissue cells?
 
Which of the following are involved directly in pulmonary circulation?
 
Which of the following describes the semilunar valves? Answer They are forced open when the ventricles contract. What two systems serve to regulate heart activity?
 
 What is the name for the special tissue in the heart that starts each heart beat and sets the pace for the whole heart?
 
What is the cardiac cycle?
 
In what part of the cardiac cycle is the heart completely relaxed?
 
What effect does exercise have on cardiac output?
 
What is the effect of epinephrine on heart rate?
 
What are heartmurmurs?
 
What is congestive heart failure?
 
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