The sites of contact between axons and muscle fiber are called a. Sarcomeres b.

Question

The sites of contact between axons and muscle fiber are called a. Sarcomeres b. Z disks c. Myosinfilaments d. Neuromuscular junctions e. F-actins An example of a saddle joint is the a. Shoulder joint b. First carpometacarpal joint c. Elbow joint d. Atlantoaxial joint e. Atlanto-occipital joint The inability to produce the fluid that keeps most joints moist indicates a disorder of the a. Cruciate ligament b. Articular cartilage c. Synovial membrane d. Serous membrane e. Bursae For questions match the term with the appropriate classification of the Muscles A. They form rings around body openings B. They are fan shaped, broader at the origin and narrower at insertion C. They are long, staplike, of uniform width D. They are feather shaped E. They are thick in the middle and tapered at each end Pennate muscles ............ Fusiform muscle ............ Sphincters ............ Parallel muscles ............ Convergent muscles ............ Muscle that is located in the mandibule of the head and is chewing or mastication of food a. Orbicularis Oris b. Buccinator c. Masseter d. Zygomaticus e. Semispinalis capitis

Explanation / Answer

question no. 40 correct answer is D

that is neuromuscular junction.

explaination

a neuromuscular junction is a chemical synapse formed by the contact between a motor neuron and muscle fiber.

ques. 41 correct answer is B

that is first carpometacarpal joint.

explaination

first CMC joint is saddle joint with two degrees of freedom i,e flexion and extension.

other movements are

abduction, adduction, circumduction and opposition.

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