5 Written questions
5 Matching questions
- What causes the myosin head to disconnected from actin?
- What is the most distinguishing characteristic of muscle tissue?
A) the ability to transform chemical energy into mechanical energy
B) the ability to respond to nervous stimulation
C) the diversity of activity of muscle tissue
D) the design of the fibers
- Outter most connective tissue sheath is continuous with what?
- Muscle tissue does NOT ________.
A) generate heat
B) produce movement
C) produce blood cells
D) maintain posture
E) stabilize joints
- Excitation of the sarcolemma is coupled or linked to the contraction of a skeletal muscle fiber. What specific event initiates the contraction.
A) Sodium release from the sarcoplasmic reticulum initiates the contraction
B) voltage-gated proteins change shape.
C) calcium release from the sarcoplasmic reticulum initiates the contraction
D) Action potentials propagate into the interior of the skeletal muscle fiber.
- a tendon
- b A
- c C) produce blood cells
- d C
- e Binding of ATP
5 Multiple choice questions
- A) decreases
- somatic motor neurons
5 True/False questions
Skeletal muscle lacks the coarse connective tissue sheaths that are found in smooth muscle? → True
The giant protein titin maintains the organization of the ________ assisting in muscle stretching. → thick myofilaments
A fascicle is an organized group of muscle fibers bounded by a ______. → perimysium
Only ________ muscle cells are always multinucleated. → True
The binding of the neurotransmitter to receptors on the motor end plate causes which of the following to occur?
A) Binding causes chemically gated potassium channels to open in the motor end plate.
B) Binding causes voltage-gated sodium channels to open in the motor end plate.
C) Binding of the neurotransmitter causes chemically gated sodium channels to open in the motor end plate.
D) Binding causes potassium voltage-gated channels to open in the motor end plate. → Troponin