Which of the following does not increase the capability of muscle tissue to generate force? a. Muscle cross-sectional area b.Frequency of stimulation c.Velocity of shortening d.Coupling time during a stretch – shorten cycle
b. Frequency of Stimulation. Stimulation of frequencies upto 100 Hz or 200Hz increases the muscle force. Further frequency of Stimulation will only decrease it a bit.
Which of the following does not increase the capability of muscle tissue to generate force? a....
To stretch a relaxed bicep muscle 2.50 cm requires a force of 25.0 N. Find Young's modulus for the muscle tissue. (Assume it is a uniform cylinder of length 0.24m and cross sectional area of 47.0 cm^2)
2. Muscle can generate approximately 90 N of force per square centimeter of cross-sectional area. If a biceps brachii has a cross-sectional area of 10 cm2, how much force can it exert? ANSWER FOR PROBLEM 2 = 900 N 3. Using the same force/cross-sectional area estimate as in Problem 2, and estimating the cross sectional area of your own biceps brachii how much force should the muscle be able to produce
Saved Which of the following is/are a functional requirement of cardiac muscle tissue? Check all that apply. 2 0032:23 1 Cardiac muscle fibers must be able to contract without nervous stimulation Muscles must be voluntary as well as involuntary Cardiac muscle fatigues easily. Cardiac muscle must be independent of conscious control. Cardiac muscles contract in unison.
Which of the following conditions does not prompt an increase in respiration: A. increase in ambient temperature B. stimulation of proprioceptors C. increase in [H2] in the blood D. stimulation of stretch receptors QUESTION 39 The QRS signifies: A Depolarization of the atria B. Depolarization of the ventricles OC. Repolarization of the purkinje fibers D. Repolarization of the ventricles
during a muscle contraction which of the following ions enter the muscle to generate an end plate potential to initiate a musvle sction potential during a contraction? k+ and Cl- k+ and ca2+ na+ and k+ mg+2, na+
Which of the following tissues provides barriers with specially designed functions? Epithelial tissue Connective tissue Muscle tissue Nervous tissue None of the above
For which case will the viscosity increase, keeping all other factors constant? a. The force applied to the surface of the fluid increases b. The height of the fluid column decreases c. The velocity of the fluid increases d. The cross-sectional area increases If the flow rate and time are known, what else about the fluid can be found? a. Pressure b. Cross-section area c. Volume d. Velocity For which case will the flow rate decrease for Poiseuille flow? a....
Which of the following contains a basement membrane? A) Nervous tissue B) Cardiac muscle C) DNA D) A and C E) None of the above
Which of the following agents can cause tissue necrosis that may increase in size and depth over time? A. Topotecan B. Ifosfamide C. Doxorubicin D. Paclitaxel
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If each acts ce (sum of the M D A der the which muscles are perpendicular to each other. If ma de of 1400 N, what is the estimated magnitude of the net force (sum ON B) 200N C) 2000N D) 700 N Assuming equal volume, the muscle with the larger cross sectional area will have a slower shortening velocity. Why? A) more streameres within each muscle fiber B) more muscle fibers in series...