50 Questions of Bio 227

Anonymous
timer Asked: Mar 25th, 2017
account_balance_wallet $20

Question Description

I have 50 questions need to be ansewrd there are true and false questions and multiple. what really confusing me is that I don't have the multiple choices.

Thnks

Unformatted Attachment Preview

• Question 1 2 out of 2 points If you go to the gym and lift heavy weights on a regular basis, your skeletal muscle tissue is going to respond by increasing the number of muscle cells. • Question 2 2 out of 2 points Two reasons for treppe is 1) the increased availability of calcium with each successive stimulation and 2) the warming up of the muscle enzymes with each successive stimulation. • Question 3 2 out of 2 points Synarthrotic joints are freely movable. • Question 4 2 out of 2 points The force of muscle contraction is controlled by multiple motor unit summation or recruitment (aka how many muscles cells are acting at once). • Question 5 0 out of 2 points A contraction in which the muscle lengthens while its tension increases is called an eccentric contraction. • Question 6 2 out of 2 points One of the important functions of skeletal muscle contraction is production of heat. • Question 7 2 out of 2 points Sarcoplasmic reticulum is modified smooth endoplasmic reticulum. • Question 8 2 out of 2 points A resting potential is caused by a difference in the concentration of certain ions inside and outside the cell. • Question 9 0 out of 2 points The effect of acetycholine on the muscle cell membrane is to modify its ion permeability properties temporarily. • Question 10 0 out of 2 points A motor neuron and all the muscle cells that it stimulates are referred to as a motor end plate. • Question 11 0 out of 2 points Fibrous joints are usually diarthrotic. • Question 12 2 out of 2 points If the load is closer to the fulcrum than the effort, the lever is said to be at a mechanical advantage. • Question 13 0 out of 2 points Considering one twitch in one muscle cell--which of the following is NOT happening during the latent period of muscle contraction? • Question 14 0 out of 2 points Based on our conversation in class, one could say that muscles in chicken legs (aka drumsticks) are made up of mostly ________. Note, we are talking about real chicken legs here and not someone who has really skinny legs. • Question 15 0 out of 2 points Which of the following is NOT a way in which ATP is regenerated in skeletal muscle? • Question 16 2 out of 2 points Which is the opposite of an antagonist? • Question 17 2 out of 2 points An example of a pivot joint can be seen between which two bones? • Question 18 0 out of 2 points Which of the following forms part of a tendon? • Question 19 0 out of 2 points Muscle fatigue ultimately begins when __________? • Question 20 0 out of 2 points Which muscle cells have the greatest ability to regenerate? • Question 21 2 out of 2 points In skeletal muscle contraction, calcium apparently acts to ________. • Question 22 0 out of 2 points Holding a book directly in front of you with your elbows flexed but no movement is an example of which type of contraction? • Question 23 0 out of 2 points An individual has just been bitten by a really nasty snake. The venom from the snake contains a chemical that binds irreversibly to the acetylcholine receptors in the sarcolemma. The chemical does not alter membrane potential, yet prevents normal neurotransmitter binding. Ignoring the effects on any other system, the consequence to skeletal muscle would be ________. • Question 24 0 out of 2 points A type of joint that is slightly movable would be functionally categorized as: • Question 25 2 out of 2 points Three discrete types of muscle fibers are identified on the basis of their size, speed, and endurance. Which of the following athletic endeavors best represents the use of slowoxidative fibers? • Question 26 2 out of 2 points The iliotibial band (or tract) connects the hip to the tibia. During flexion and extension of the knee, friction between the lateral epicondyle of the femur and the iliotibial band is reduced by: • Question 27 2 out of 2 points Which of the following statements is true? • Question 28 0 out of 2 points Pronation is made possible by the articulation between which two bones? • Question 29 0 out of 2 points The muscle cell membrane is called the ________. • Question 30 0 out of 2 points The warm-up period required of athletes in order to bring their muscles to peak performance is called ________. • Question 31 2 out of 2 points The contractile organelle of a skeletal muscle is ________. • Question 32 2 out of 2 points The oxygen-binding protein found in muscle cells is ________. • Question 33 0 out of 2 points The term aponeurosis refers to ________. • Question 34 2 out of 2 points Rigor mortis occurs because ________. • Question 35 0 out of 2 points Which of the following surrounds the individual muscle cell? • Question 36 0 out of 2 points The striations of a skeletal muscle cell are produced, for the most part, by ________. • Question 37 2 out of 2 points A wheelbarrow is which type of lever? • Question 38 0 out of 2 points A complete depolarization of a muscle cell is called a(n): • Question 39 0 out of 2 points Which of the following can be a result of resistance exercise (i.e., weightlifting)? • Question 40 0 out of 2 points The sarcoplasmic reticulum is directly triggered to release calcium by which organelle? • Question 41 2 out of 2 points The term quadriceps denotes that ________. • Question 42 0 out of 2 points The ligaments that protect the alignment of the femoral and tibial condyles and limit the movement of the femur anteriorly and posteriorly are called: • Question 43 2 out of 2 points The orbicularis oris represents which type of fascicle arrangement? • Question 44 0 out of 2 points A tooth in the mandible is an example of which kind of joint? • Question 45 2 out of 2 points Which of the following muscles is most involved in arm abduction? • Question 46 0 out of 2 points In flexion of the elbow, the ________. • Question 47 0 out of 2 points A muscle group that helps to stabilize the origin of a prime mover is a(n) ________. • Question 48 0 out of 2 points The arrector pili are an example of what type of muscle? • Question 49 2 out of 2 points Creatine phosphate functions in the muscle cell by ________. • Question 50 2 out of 2 points If a muscle is operating without oxygen ... ...
Purchase answer to see full attachment

Tutor Answer

Xaib
School: Duke University

Attached ..Good Luck

1

Question 1
2 out of 2 points
If you go to the gym and lift heavy weights on a regular basis, your skeletal muscle tissue is
going to respond by increasing the number of muscle cells.
False


Question 2
2 out of 2 points
Two reasons for treppe is 1) the increased availability of calcium with each successive
stimulation and 2) the warming up of the muscle enzymes with each successive stimulation.
True



Question 3
2 out of 2 points
Synarthrotic joints are freely movable.
False



Question 4
2 out of 2 points
The force of muscle contraction is controlled by multiple motor unit summation or
recruitment (aka how many muscles cells are acting at once).
True



Question 5
0 out of 2 points
A contraction in which the muscle lengthens while its tension increases is called an eccentric
contraction.
True



Question 6
2 out of 2 points
One of the important functions of skeletal muscle contraction is production of heat.
True



Question 7
2 out of 2 points
Sarcoplasmic reticulum is modified smooth endoplasmic reticulum.
True



Question 8
2 out of 2 points
A resting potential is caused by a difference in the concentration of certain ions inside and
outside the cell.
True



Question 9
0 out of 2 points

2

The effect of acetylcholine on the muscle cell membrane is to modify its ion permeability
properties temporarily.
True


Question 10
0 out of 2 points
A motor neuron and all the muscle cells that it stimulates are referred to as a motor end plate.
False



Question 11
0 out of 2 points
Fibrous joints are usually diarthrotic.
False



Question...

flag Report DMCA
Review

Anonymous
Thanks, good work

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors

Yale University





2325 Tutors