Unit #1 Practice Questions (60 questions)

A thin extracellular layer upon which an epithelium rests is called a(n)

Basement membrane

Ligaments are very strong but resistant to stretch. Which protein fiber probably predominates?

Collagen

Nervous tissue likely provides the shape and support for the stomach.

False

Laproscopic-assisted abdominal surgery involves placing a camera into the peritoneal cavity through a small incision. If a surgeon is removing a polyp from the sigmoid colon, where should he direct the camera?

Lower left quadrant of abdomen

The pleural membranes completely surround each lung.

True

True or False? A blood vessel consists of epithelial, connective, muscle, and nervous tissue; therefore, it can be classified as an organ.

True

True or False? Cardiovascular physiologists must also have a good understanding of heart, blood, and blood vessel anatomy.

True

True or False? Human cell shapes are often related to their functions.

True

True or False? When a variable is regulated by negative feedback, its value fluctuates above and below the set point rather than being a constant.

Trye

All connective tissues have three features in common. They are

cells, protein fibers, and ground substance.

The ___________ membrane is also known as the skin.

cutaneous

When you are exposed to bright light, a reflex is initiated and the muscles of your iris contract to decrease your pupil size. The iris muscles are acting as a(n)

effector

The pericardium is a two-layered serous membrane that

encloses the heart.

Structurally, enzymes are generally

globular proteins.

Whenever energy is transferred from one form to another, some of that energy is lost as _________.

heat

The microscopic study of tissues is called ___________.

histology

Endocrine glands secrete products called _____________.

hormones

The scientific discipline that studies the function of body parts is called ___________.

physiology

Proteins are _____ made up of amino acid ________.

polymers; monomers

Pseudostratified ciliated columnar epithelium is found lining

portions of the respiratory system.

True or False? ATP being broken down to ADP and phosphate is an example of a chemical reaction.

true

True or False? An enzyme is a biological catalyst that speeds up reactions by lowering the activation energy.

true

True or False? Glycolysis does not require oxygen.

true

True or False? Potential energy is energy contained in an object because of its position or internal state, but the energy is not doing work at the time.

true

Leukocytes are commonly called _____ blood cells.

white