Guide Questions And Answers Verified 100% Correct
what does muscle contraction require - ANSWER ATP and calcium
Incomplete Tetanus - ANSWER muscle fibers partially relax between contraction
afferent division of PNS - ANSWER carries sensory information (SENSORY)
Efferent division of PNS - ANSWER carries motor commands to muscles and glands
(MOTOR) I.e. Hot hand take back
CNS - ANSWER central nervous system
Neurilemma - ANSWER Outer Layer, can regenerate
missing neurilemma - ANSWER Can't regenerate
pairs of spinal nerves connect spinal cord - ANSWER 31 (cervical, thoracic, lumbar,
sacral, coccygeal)
sympathetic ganglia - ANSWER deliver information to the body about stress and
impending danger
structures of the middle ear - ANSWER OSSICLES (malleus, incus, stapes)
bend at waist - ANSWER Rectus Abdominis
what causes balance - ANSWER semicircular canals
cranial nerves to "roll your eyes" - ANSWER oculomotor
retina - ANSWER
endocrine system - ANSWER NO DUCTS, set of glands that secrete hormones into the
bloodstream
negative feedback - ANSWER to control hormone secretion
thymus - ANSWER major endocrine and immune system, site of T-cell maturation
, adrenal cortex - ANSWER secrets and aids to repair tissues
3 layers of corticosteroids - ANSWER zona glomerulosa, zona fasciculata and zona
reticularis
glucocorticoids - ANSWER help the body adapt to stress and repair damaged tissue
(REPAIR)
Hematopoietic Tissue - ANSWER umbilical cord blood and, in small numbers, in
peripheral blood.
erythropoietin - ANSWER kidney's low oxygen detection
Life span of RBC - ANSWER 120 days
vitamin necessary for synthesis of clotting factors - ANSWER Vitamin K
The heart's skeleton - ANSWER Electrically insulates the ventricles from the atria
(INSULATES)
cardiac cycle - ANSWER one complete heartbeat to the next
Starling's law of the heart - ANSWER contractility (increases) force
coronary arteries arise from - ANSWER aorta
3 branches off the aortic arch - ANSWER brachiocephalic trunk, left common carotid
artery, and left subclavian artery
inferior vena cava - ANSWER A vein that is the largest vein in the human body and
returns blood to the right atrium of the heart from bodily parts below the diaphragm.
what factors determine blood pressure - ANSWER
lymph tissue differ from plasma - ANSWER Lower protein content
primary lymphatic organ - ANSWER thymus
function of lymph nodes - ANSWER removes pathogens
artificial active immunity - ANSWER vaccination
immunoglobulins - ANSWER IgG