Unit 2 Review

Front 1

Adrenergic receptor to which phenylephrine binds is ____

Back 1

alpha 1

Front 2

cholinergic receptor on cell membranes of smooth muscle, cardiac muscle and glands is ____

Back 2

nicotinic

Front 3

cholinergic receptor on the cell membranes of autonomic effector cells is ____

Back 3

muscarinic

Front 4

cholinergic receptor at the autonomic ganglia is ____

Back 4

nicotinic

Front 5

cholinergic receptor on the dendrites and cell bodies of postganglionic neurons is ____

Back 5

nicotinic

Front 6

cholinergic receptor on the cell membranes of skeletal muscle cells is ___

Back 6

nicotinic

Front 7

___ receptors blocked by atropine

Back 7

muscarinic

Front 8

stimulation of these receptors causes blood vessel constriction

Back 8

alpha 1

Front 9

Anaerobic exercise can cause

Back 9

hypertrophy of muscles
oxygen debt
lactic acid to be produced

Front 10

what pathway produces more ATP per molecule of glucose

Back 10

aerobic

Front 11

high intensity exercise causes development of a greater portion of ___ muscle fibers, while endurance exercise can cause the development of a greater portion of ___ muscle fibers

Back 11

white
red

Front 12

thick filaments are made of

Back 12

myosin

Front 13

which narrows when the sarcomere shortens

Back 13

H zone and I band

Front 14

in skeletal muscle, when Ca binds to ___, this pulls ___ away from the cross bridge binding sites on ____

Back 14

troponin
tropomyosin
actin

Front 15

what effects the amount of tension that can be developed in a skeletal muscle fiber

Back 15

ap frequency and summation in the muscle fiber
length of the muscle fiber before contraction
muscle fatigue

Front 16

a muscle fiber is a muscle

Back 16

cell

Front 17

In ___ contractions tension increases but the muscle does not shorten

Back 17

isomentric

Front 18

isotonic

Back 18

tension stays the same

Front 19

a motor unit refers to

Back 19

one motor neuron plus all the muscle fibers it innervates

Front 20

what shortens when a skeletal muscle fiber contracts?

Back 20

sarcomere

Front 21

when you are trying to pick up a 300lb weight but cant this is an example of

Back 21

isometric

Front 22

which type of exercise is most likely to produce hyperatrophy

Back 22

anaerobic (high intensity)

Front 23

action potential in sarcolemma, action potential in ___, release of ____ from SR, tropomyosin moved away from cross bridge binding sites on actin

Back 23

t tubule
Ca

Front 24

movement of calcium into the SR in skeletal muscle cells causes

Back 24

muscle relaxation

Front 25

during a lengthening contraction, the load is ___ the tension created by the cross bridge cycling

Back 25

greater than

Front 26

summation of twitches in skeletal muscle can occur because the mechanical events are ___ the electrical events

Back 26

longer than

Front 27

skeletal muscle would generate the most tension in a contraction, if before the contraction

Back 27

actin overlaps myosin but not itself