Just answers please please, 12: The protein talin: A. strengthens the sarcolemma of a skeletal muscle B. is a component

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Just answers please please,
12: The protein talin:
A. strengthens the sarcolemma of a skeletal muscle
B. is a component of dense bodies in a smooth muscle fiber
C. is a component of subplasmalemmal dense plaques in the smooth muscle fiber D. is found in the intercalated discs of cardiac muscle fibers
E. anchors myosin filaments to the z -line in a skeletal muscle fiber
14: Which statement is false about skeletal muscle fibers?
A. Myasthenia gravis is an autoimmune disorder associated with neuromuscular junction
B. acetylcholine receptors are located on the sarcolemma
C. acetylcholinesterase is located on the sarcoplasmic reticulum (SR)
D. SR consists of sarcotubules and terminal cisternae
E. Duchenne muscular dystrophy is a genetic disorder due to a dystrophin deficiency only in boys and young men
15: Which structure is not a part of choroid plexus ?
A. neuritic plaque
B. lamina epithelialis
C. brain ventricles
D. tuft of blood capillaries
E. tela choroidea
17: Which statement is false about venules and small veins?
A. venules are more permeable than capillaries
B. both have a very thin endothelium with pericytes
C. both respond to histamine and serotonin
D. as their caliber increases smooth muscles appear
E. both have one-way valves
19: Which is not associated with large elastic arteries ?
A. aneurysm
B. pericytes
C. Vasa vasorum
D. atherosclerosis
E. Weibel Palade bodies
20: Which event describes the Wallerian degeneration in the peripheral nervous system ?
A. the perikaryon of an injured axon (nerve) shrinks
B. nucleus moves in the center of the perikaryon
C. neuron retains its Nissl bodies
D. injured axon remains attached to the perikaryon
E. Schwann cells proliferate and remain enclosed in endoneurium forming a tubular nucleated band of Bungner awaiting regeneration of a new axon
21: Identify a correct association ?
A. troponin C : binding site for tropomyosin B. caveolae : cardiac muscle
C. actin : titin
D. intercalated discs : gap junctions
E. nucleated band of Bungner : CNS
22: Which is not found in PNS ?
A. Schwann cells
B. lamina epithelialis
C. satellite cells
D. ganglia
E. myelin