Tom Is Having Difficulty Dorsiflexing and Everting His Right Foot

question 46

Multiple Choice

Tom is having difficulty dorsiflexing and everting his right foot. Which muscle(s) is/are most likely involved in this problem?

• A) tibialis anterior
• B) soleus
• C) gastrocnemius
• D) flexor digitorum
• E) both B and C

Explain the mechanisms of diffusion and osmosis and their significance in cellular processes.

Understand the principles of solute and water movement across cell membranes, including facilitated diffusion and aquaporins.

Relate the structure of cell membranes to their function in regulating the internal environment of cells.

Describe the effects of solution concentration on cellular functions and the role of osmoregulation in maintaining cell homeostasis.

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Definitions:

Smooth Muscle Tissue

A type of muscle tissue that is not under voluntary control, found in the walls of internal organs such as blood vessels, the digestive tract, and the bladder.

Skeletal Muscle Tissue

A type of muscle tissue in the body that is attached to bones and is responsible for movement.

Motor Unit

A lone motor neuron and every muscle fiber it stimulates, working together as a unified entity during muscle contraction.

Tetanus

A bacterial infection characterized by muscle stiffness and spasms, caused by the bacterium Clostridium tetani.