Exam 4: From Cells to Organ Systems

Vasoconstriction is a term that refers to the contraction of muscle in the walls of the blood vessels, thus causing the diameter of the blood vessel to decrease. Which one of the following types of muscle would be involved in this contraction?

A torn tendon sidelines athletes for long periods of time because the tissues possess less vascular tissue than bone.

Which type of tissue is characteristic of ligaments and tendons?

The skin provides a waterproof barrier surrounding the body because of the presence of ________, a protein in the epidermal cells.

Which one of the following membranes lines the airways and digestive tract?

Match each of the following diagrams in the figure below to the type of tissue it represents. -nervous A) B) C) D)

The ability of living organisms to maintain a constant internal environment despite changes in the external environment is ________.

A fluid-filled blister develops when excessive rubbing of the skin causes the ________ and ________ to separate from each other.

In regions of the human body that must precisely control what enters or exits tissues, which one of the following is(are) present to ensure adjacent cells are packed close together?

Skin functions to

Desmosomes allow materials to pass directly from one cell to another.

Which one of the following statements is TRUE regarding glial cells?

Sweat is released by exocrine glands on the skin surface as a means to lower body temperature.

All of the following are functions of cartilage EXCEPT which one?

During long, sustained aerobic exercise, a lot of heat is generated that elevates body temperature. Describe how a homeostatic control system would likely work to cool body temperature back to normal. Specify each component of the control system.

Connective tissue is unique because the cells secrete a(n) ________ that can be semiliquid or hardened.

Which one of the following is found in the dermis?

Body temperature is controlled by a negative feedback control system. The hypothalamus is the ________ for this system.

Skeletal muscle attaches to ________, which connect the muscle to bone.

Cardiac muscle is located only in the ________.