Anatomy and Physiology

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Questions and Answers

Which type of muscle tissue is responsible for voluntary movements?

Smooth muscle
Skeletal muscle (correct)
Cardiac muscle
Epithelial muscle

Involuntary movements are primarily controlled by the somatic nervous system.

False (B)

What type of joint allows for the widest range of motion?

ball-and-socket joint

The cerebellum coordinates movement by integrating sensory information and fine-tuning ______ commands.

motor Signup and view all the answers

Match the following types of joints with their primary movement:

Hinge joint = Movement in one plane Ball-and-socket joint = Movement in multiple planes Pivot joint = Rotational movement Gliding joint = Sliding movement Signup and view all the answers

Which of the following is an example of a non-locomotor movement?

Stretching (D) Signup and view all the answers

Tendons connect bones to each other, providing stability to joints.

False (B) Signup and view all the answers

What is the role of calcium ions in skeletal muscle contraction?

Calcium ions bind to proteins on actin filaments, allowing myosin to attach and pull the actin filaments, resulting in muscle shortening. Signup and view all the answers

Muscles work in ______ pairs; as one muscle contracts, the opposing muscle relaxes to allow movement.

antagonistic Signup and view all the answers

Which neurodegenerative disorder primarily affects the basal ganglia, leading to tremors and rigidity?

Parkinson's disease (D) Signup and view all the answers

Flashcards

Voluntary Movements

Movements consciously controlled, involving skeletal muscle contraction.

Involuntary Movements

Movements without conscious control, mediated by the autonomic nervous system or reflexes.