APHY 201 Module 03 Muscle Tissue Ivy Tech Questions with Correct Answers

APHY 201 Module 03 Muscle Tissue Ivy Tech Questions with Correct
Answers


Question 1:
muscle tissue types
Answer:
....skeletal, cardiac, smooth


Question 2:
Skeletal muscle tissue
Answer:
....is attached to the skeleton; striated, and can be controlled voluntarily; fully developed
sarcolemma and sarcoplasmic reticulum


Question 3:
Cardiac muscle tissue
Answer:
....walls the heart; cells are striated, branched with intercalated discs; it is involuntary, contracts
without being stimulated by the nervous system


Question 4:
smooth muscle tissue
Answer:
....found in hollow organs; involuntary; lacks striations


Question 5:
characteristics of muscle tissue
Answer:
....excitability, contractility, extensibility, elasticity


Question 6:
excitability
Answer:
....(responsiveness): ability to receive and respond to stimuli

, Question 7:
contractility
Answer:
....ability to shorten forcibly when stimulated


Question 8:
extensibility
Answer:
....ability to be stretched


Question 9:
elasticity
Answer:
....ability to recoil to resting length


Question 10:
muscle functions
Answer:
....movement of bones or fluids (e.g., blood); maintaining posture and body position; stabilizing
joints; heat generation (especially skeletal muscle)


Question 11:
Sarcomere
Answer:
....the smallest contractile unite of muscle; extends from one z disc to another; functional unit
of muscle


Question 12:
H zone
Answer:
....lighter region in midsection of dark A band where filaments do not overlap


Question 13:
M line
Answer:
....line of protein that bisects H zone