Anatomy and Physiology I Final Exam alternate.docx -...

Anatomy and Physiology I
Final Examination
Name _________________________
1) The connective tissue covering this structure labeled B is the
a) sarcolemma
b) endomysium
c) perimysium
d) epimysium
2) Place the following events in the correct order.
1. ACh is released into the synaptic cleft.
2. Synaptic vesicles fuse with the plasma membrane.
3. A muscle action potential is triggered.
4. An action potential arrives at the synaptic end bulb.
5. ACh binds to receptors on the motor end plate.
3) Neurotransmitter receptors are found where on the sarcolemma?

4) _____ are large dense irregular connective tissue sheets that wrap around groups of skeletal
muscles.
5) Identify this organelle of the muscle fiber (cell) labeled B.
a) myofibril
b) sarcoplasmic reticulum
c) nucleus
d) mitochondrion
6) The ability of muscular tissue to contract forcefully when stimulated is:
7) The deltoid muscle is named according to: 8) When examined microscopically, striations are visible in the _____ muscle tissues. 9) Compared to skeletal muscle, cardiac muscle differs in that it:
a) contracts for shorter periods of time.
b) has a short refractory period.
c) has a different arrangement of thick and thin filaments.

d) has branching cells.
10) During contraction in a skeletal muscle fiber: