1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
PolarNik [594]
3 years ago
14

Since skeletal muscle movements are controlled by nerve impulses, in which of the following would you expect the ratio of motor

neurons to muscle fibers to be the greatest?
A. large muscles of the upper arm

B. postural muscles of the back

C. muscles that control eye movements

D. the calf muscles

Health
2 answers:
Verizon [17]3 years ago
6 0

<u><em>*100% CORRECT ANSWERS</em></u>

Question 1

Which of the following is not a function of skeletal muscle?

control blood vessel diameter

Question 2

Interactions between actin and myosin filaments are responsible for

muscle contraction

Question 3

At rest, active sites on actin are blocked by

tropomyosin molecules

Question 4

When energy reserves in a muscle are exhausted or lactic acid levels increase,

fatigue occurs and contraction is no longer possible

Question 5

The more movable end of a muscle is the

insertion

Question 6

Rigor mortis occurs in skeletal muscles a few hours after death. This is most likely due to

decreased ATP production and increased membrane permeability to calcium

Question 7

Each of the following changes in the skeletal muscle is a consequence of aging except  one. Identify the exception.

muscle fibers increase their energy reserves

Question 8

Because skeletal muscle contractions require large amounts of ATP, you would expect  skeletal muscle to have

a rich blood supply

Question 9

Since skeletal muscle movements are controlled by nerve impulses, in which of the  following would you expect the ratio of motor neurons to muscle fibers to be the  greatest?

muscles that control eye movements

Question 10

Which of the following activities would use isometric contractions?

maintaining upright posture

Question 11

A person whose genetic makeup makes him/her a better marathon runner than a sprinter  probably has ___ in his/her leg muscles.

slow fibers

Question 12

The area of the sarcomere containing the thick filaments is the

A band

Question 13

When a calcium ion binds to troponin,

tropomyosin moves out of the actin active sites

Question 14

The degree of relative movement is greater in the

pectoral girdle

Question 15

Based on what you've learned about how muscles are named, which muscle would you  expect to contract when grasping an object in the hand?

flexor digitorum

poizon [28]3 years ago
3 0

Answer:

The answer is muscles that control eye movements.

Explanation:

I took the test and the answer was right. (For my K12 students.)

You might be interested in
Stress can cause a change in eating habits. Which body system would this affect
ExtremeBDS [4]
It is the Digestive S<span>ystem. I think.</span>
6 0
3 years ago
What tests and treatments would a patient with prostate cancer likely undergo? Write at least three sentences and use three abbr
fredd [130]

A patient with prostate cancer will need Prostate-Specific Antigen (PSA) test to monitorizing, also if the Cancer is newly diagnosed he´ll need a Computerized Axial Tomography (CAT) scan to help us to grade the stage of the Cancer, also a biopsy to help us to know the type of cancer. About treatment there are different ways, a radical retropubic prostatectomy (RRP), radioterapy and monitorizing tests like bone gammagraphy, CAT, etc.

5 0
3 years ago
For human survival, approximately what percentage of air must be oxygen?
brilliants [131]

Answer:

20.9 percent

Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.

Explanation:

20.9 percent

Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.

Hope this helps.

5 0
3 years ago
Read 2 more answers
Which of the following is an autoimmune disorder? a. type 2 diabetes b. sickle cell anemia c. multiple sclerosis d. cancer User:
IgorLugansk [536]
C) Multiple Sclerosis.


Hope this helps, Good luck! 


- Jazz
8 0
3 years ago
Read 2 more answers
Which of these is an important part of any personal health plan for physical fitness ?
chubhunter [2.5K]

Explanation:

In order for a fitness program to be fully effective, exercises that address all fitness components - cardio endurance, resistance training, and flexibility - must be incorporated on a regular basis. Focusing on just one of these components will hurt performance in other areas

8 0
3 years ago
Other questions:
  • Duncan knows that it takes 36400 cal of energy to heat a pint of water from room temperature to boiling. however, duncan has pre
    11·1 answer
  • Sheila is experiencing a great deal of stress and anxiety at her job each day. She often has trouble falling asleep at night or
    7·2 answers
  • Match each injury with a long-term consequence
    12·1 answer
  • Which of the following describes an accident chain?
    6·2 answers
  • The cessation of the pumping of the heart
    8·1 answer
  • Antibodies are produced by:
    6·1 answer
  • How does a diet affect diabeties
    13·1 answer
  • Cultural psychologists think that all people think the same way regardless of their culture. A. True B. False
    12·1 answer
  • What organ does the heart tissue belong to? (Is it the heart?)
    5·2 answers
  • Please help with life 13 points!
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!