BMS 250 Quiz 1

When a blood vessel is damaged, platelets attach and recruit more platelets to the area. These new platelets recruit even more, quickly increasing the number of platelets until the damage is sealed with a blood clot. This amplification is an example of

Positive Feedback

If you are cold and your body alters the circulation near the skin in order to conserve heat, what characteristic of life is this representing?

Regulation

Thermoreceptors detect body temperature and send impulses to the brain for analysis. If body temperature is low, the brain will signal skeletal muscles to perform brief, repeated contractions to help generate heat. In this example, what is the effector?

Skeletal muscles

he correct anatomic directional term for "at the back side of the human body" is

dorsal

The joint just proximal to the knee is which one of these?

hip

The _____ lines the internal walls of the abdominopelvic cavity.

parietal peritoneum

The outer serous membrane lining the abdominal cavity is called the

parietal peritoneum.

The outermost layer of the pleural membrane is the

parietal pleura.

Calcaneal is to heel as _____ is to sole of the foot.

plantar

The fluid-filled area between the pleural layers is the

pleural cavity.

When an organism senses and reacts to changes in their internal or external environments, this is an example of

responsiveness.

Cephalic is to head as deltoid is to

shoulder

Homeostasis is best described as

the maintenance of a stable internal environment despite a changing external environment.

The _____ pericardium forms the heart's external surface.

visceral

The layer of the pleural membrane that is attached to the surface of the lung is the

visceral pleura.