Prepare for NEET Biology Locomotion And Movement (Disorders Of Muscular And Skeletal System) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to study arthritis, osteoporosis, muscular dystrophy.
NEET Questions / Zoology / Locomotion And Movement / Disorders Of Muscular And Skeltal System
If a muscle is stimulated repeatedly with high frequency, preventing relaxation between contractions, the resulting sustained contraction is known as:
Twitch
Fatigue
Summation
Tetanus
During an experiment, a muscle is subjected to continuous stimulation without any relaxation period. This results in a prolonged contraction. What is this phenomenon called?
Trembling
Spasm
Tetanus
Twitch
What differentiates tetanus from a single muscle twitch in terms of stimuli and relaxation?
Tetanus and twitch are the same phenomenon.
Tetanus involves a single stimulus, while a twitch involves multiple stimuli.
Tetanus is a voluntary contraction, while a twitch is involuntary.
Tetanus is caused by frequent stimuli without relaxation, while a twitch is a single contraction followed by relaxation.
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Osteoporosis is characterized by decreased bone mass and increased chances of fractures.
Reason (R): A common cause of osteoporosis is increased levels of estrogen.
In the light of the above statements, choose the most appropriate answer from the options given below:
(A) is true but (R) is false.
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true but (R) is not the correct explanation of (A).
Both (A) and (R) are false.
Which of the following is a characteristic of osteoporosis and what is a common contributing factor?
(i) Increased bone mass
(ii) Decreased bone mass
(iii) Increased estrogen levels
(iv) Decreased estrogen levels
(i) and (iii)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)
Which of the following hormonal imbalances is NOT typically associated with an increased risk of osteoporosis?
Increased estrogen
Increased parathyroid hormone
Decreased calcitonin
Increased cortisol
Which of the following correctly matches the disease with its characteristic symptom?
Filariasis – Swelling of limbs
Ringworm – Fever
Common cold – Stomach pain
Typhoid – Skin rash
Which disease among the following is characterized by swelling in the limbs due to lymphatic obstruction?
Filariasis
Ringworm
Common cold
Typhoid
A patient presents with a circular, itchy rash on their skin. Which of the following conditions is the most likely diagnosis?
Ringworm
Malaria
Pneumonia
Tetanus
Which of these diseases is NOT correctly paired with its common symptom?
Typhoid – Skin rash
Common cold – Runny nose
Filariasis – Swelling of limbs
Malaria – Fever and chills
