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level: Level 4

Questions and Answers List

Muscular Tissue

level questions: Level 4

QuestionAnswer
List the properties of Muscular Tissue1. Excitability 2. Contractibility 3. Extensibility 4. Elasticity
Define ExcitabilityThe ability to respond to a stimulus as well as to exhibit a charge separation across plasma membrane.
Define ContractibilityAbility to contract or decrease in length on application of stimulus.
Define ExtensibilityAbility to contract & then relaxed to original length
What are the 3 types of muscles?1. Skeletal Muscles 2. Smooth muscles 3. Cardiac Muscles
What is the other name of Skeletal Muscles?Striated Muscles/ Striped Muslces
Identify this tissueStriated Muscles/Striped Muscles/ Skeletal Muscles
What is the other name of Smooth Muscles?Visceral Muscles/ Unstriated Muscles/ Unstriped Muscles
Identify the tissueSmooth Muscles/ Visceral Muscles/ Unstriated Muscles/ Unstriped Muscles
What is the other name of Cardiac Muscles?Striated Muscles/ Striped Muscles
Identify the TissueCardiac Muscles/ Striated Muscles/ Striped Muscles
Where is the Skeletal Muscle generally present?Attached to Skeleton
Which Muscle tissue is present in Limb bones?Skeletal Muscles
Which Muscle tissue is present in head?Skeletal Muscles
Which Muscle tissue is present in neck?Skeletal Muscles
Which Muscle tissue is present in Face Muscles?Skeletal Muscle
Where is the Smooth Muscle tissue generally present?Visceral Organs
Which muscle tissue is present in Stomach?Smooth Muscle
Which muscle Tissue is present in Intestine?Smooth Muscle
Which Muscle Tissue is present in Urinary Bladder?Smooth Muscle
Which Muscle Tissue is present in UterusSmooth Muscle
Where is cardiac Muscle Generally Present?Heart
What is the structure of Skeletal Muscle?Cylindrical
What is the structure of Smooth Muscle?Fusiform/ Spindle Shaped/ Tapering
What is the Structure of Cardiac Muscle?Cylindrical
Which Muscular Tissues shows branching?Cardiac Muscle
What is the Condition of the nucleus in Skeletal Muscles?Multinucleate/ Syncytial
What is the condition of the nucleus in Smooth Muscles?Uninucleate
What is the condition of the nucleus in Cardiac Muscles?Uninucleate
What is the position of the nucleus in Skeletal Muscles?Peripheral
What is the Position of the nucleus in Smooth Muscles?Central
What is the position of the nucleus in Cardiac Muscles?Central
Which Muscle Tissue shows the presence of Intercalated Discs?Cardiac Muscle
Describe the Intercalated Discs present in Cardiac Muscles.Dark Band like discs b/w 2 Cardiac muscle cells
Name the cell junction present in Smooth Muscles.Single Unit- Gap Junction Multi Unit- Not present
Name the cell junction present in Cardiac Muscles1. Gap Junction 2. Desmosomes present in Intercalated Discs
Which Muscle shows Voluntary Control?Skeletal Muscle
What type of control does Smooth Muscle show?Involuntary
What type of control does Cardiac Muscle show?Involuntary
Classify the speed of Contraction in Skeletal Muscles.Fast
Classify the speed of contraction in Smooth Muscles.Slow
Classify the speed of Contraction in Cardiac Muscles.Fast & Rhythmic
Comment on Skeletal Muscle with respect to fatigue.Fatigue occurs
Comment on Smooth Muscle with respect to fatigue.No Fatigue
Comment on Cardiac Muscles with respect to fatigueNo fatigue
Comment on the Skeletal Muscles with respect to Blood SupplyAbundant blood supply
Comment on the Smooth Muscles with respect to Blood SupplyPoor Blood Supply
Comment on the Cardiac Muscles with respect to Blood SupplyAbundant Blood Supply
Comment on the Skeletal Muscles with respect to RegenerationRegeneration Occurs
Comment on the Smooth Muscles with respect to RegenerationRegeneration Occurs
Comment on the Cardiac Muscles with respect to RegenerationNo Regeneration takes place
Comment on the Skeletal Muscle with respect to StriationStriation Present
Comment on the Smooth Muscle with respect to StriationNo Striation Present
Comment on the Cardiac Muscle with respect to StriationStriation Present
Where is Gap Junction present in smooth muscles?It is present in between the cells of Smooth Muscles in the Single Unit
What is the role of Gap Junction present in Smooth Muscles?It helps in Communicating & Contracting together
Which Muscle Is present in GIT (Gastro-Intestinal Tract)?Single Unit Smooth Muscle
Which Muscle is present in Reproductive tract?Single Unit Smooth Muscle
Which Muscle is present in Urinary Tract?Single Unit Smooth Muscle
How do the Multi Unit Smooth Muscles Cells Contract?Contract Independently
Which Muscle is present in hair root Muscles (arrector pili Muscle)?Multi Unit Smooth Muscle
Which Muscle is present in Large Blood Vessels (Vena Cava, Aorta)Multi Unit Smooth Muscle
List the components of Connective tissue Sheath present in Skeletal Tissue.1. Epimysium 2. Perimysium 3. Endomysium
Till where Myosin Is present Inside in Skeletal Muscle?A-Band
Till where only Myosin is Present in Skeletal Muscle?H-zone
Comment on the structure Inside A-bandWhere Myosin & Actin overlap- ozone or overlapping zone.
What does I-Band contain?Only Actin