Fatigue

Q.

Lack of relaxation between successive stimuli in sustained muscle contraction is known as _______________.

1. Spasm

2. Fatigue

3. Tetanus

4. Tonus

Q.

Write a short note on cardiac muscles.

Q.

Name the tissue which connects bones with muscles

Q.

Which ion is/are responsible for muscle contraction?

Q.

Citrus fruits are a very good source of vitamin C.

1. True
2. False

Q.

Which of the following is the best source of vitamin A?

1. Apple

2. Honey

3. Carrot

4. Peanuts

Q.

The autonomic nervous system controls ___ actions.

Q. Identify the type of muscular tissue shown in the given image.

1. Striated
2. Smooth
3. Skeletal
4. Cardiac

Q.

Muscle fatigue increases lactic acid in muscles.

1. False

2. True

Q.

In our body, anaerobic respiration occurs in __________.

1. heart muscles

2. stomach muscles

3. fast working skeletal muscles

4. all the body cells

Q.

Cardiac muscles contract

1. a. Quickly and feel fatigue

2. b. slowly and do not feel fatigue

3. c. quickly and are not fatigued

4. d. slowly and feel fatigue.

Q. Forced deep breathing during rest for some time is followed by temporary stoppage breathing because of 1)Little CO2 content in blood 2)High CO2 contentin blood 3)High O2 contentin blood 4)Little O2 contentin blood Give proper explaination.

Q. Which of the following is the function of the tendon?

1. Connects bone to muscle
2. None of the above
3. Connects muscle to muscle
4. Connects bone to bone

Q.

A person is carrying a heavy weight. He got tired and removed the weight to relax his muscles. Which tissues are involved in this case
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Q.

Lance Armstrong is a seven-time winner of Tour de France, which is a bicycle race that covers between 3500 to 4000 kilometers. What type of muscle fiber probably predominates in the legs of bicyclists, who compete in this annual event?

1. Inelastic fibers

2. Red fibers

3. White fibers

4. Intermediate fibers

Q. Name the connective tissue that helps in transporting substances in our body.

1. Cartilage
2. Ligament
3. Blood
4. Tendon

Q.

Total number of muscles in our body is

Q.

The contraction of muscle tissue is carried out by the action of

1. Actin and myosin

2. Fibrin and relaxin

3. Secretin and myosin

4. Actin and relaxin

Q. Lactic acid causes fatigue in muscles due to

1. Sensitivity of neuromuscular junction
2. Acidity
3. Binding of muscle calcium
4. Causing expulsion of cations

Q.

Panting after vigorous exercise is due to

1. Continuity of mouth breathing started during exercise

2. Oxygen debt

3. Requirement of rapid dissipation of energy

4. Continuity of deep breathing even after exercise

Q. Assertion :Fatigue is inability of muscle to relax. Reason: It is due to lactic acid accumulation by repeated contractions.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Both Assertion and Reason are incorrect.

Q.

What is the most important thing to do in case of a fracture?

Q. When muscles begin converting glucose into lactic acid?

1. Muscles run out of oxygen
2. Accumulation of creatine in the muscles
3. Muscle collapse
4. All the above

Q. Muscles, which are immune to fatigue, are

1. Striped muscles
2. Cardiac muscles
3. Jaw muscles
4. Skeleton muscles

Q. Identify the type of muscular tissue shown in the given image.

1. Striated
2. Smooth
3. Skeletal
4. Cardiac

Q.

Skeletal and cardiac muscles are straited muscles.

1. False
2. True

Q.

Pernicious anaemia is caused due to the deficiency of______________________

Q. Tendon connects a muscle to a bone.

1. False
2. True

Q.

Pair the muscular tissues with their locations in the body.

1. Skeletal
2. Heart
3. Limbs
4. Smooth
5. Alimentary canal
6. Cardiac

Q.

Why is a limited amount of energy available for muscle activity?