Mastering A&P Chapter 1 Review

What does the principle of complementary of the structure and function mean?

Function reflects structure and structure determines function

Place the following in correct sequence from simplest to most complex:
1. molecules
2. atoms
3. tissues
4. cells
5. organs

2-1-4-3-5

One of the functional characteristics of life is excitability or responsiveness. This refers to ____ .

Sensing changes in the environment and then reacting or responding to them

The epigastric region is superior to the umbilical region.

True

What forms the outer boundary of your body?

Integumentary system

Match the words in the left column to the appropriate blanks in the sentences on the right.

1. MUSCULAR: Directly causes mechanical motion 2. SKELETAL: Provides support and levers fro muscles to pull 3. INTEGUMENTARY: Protects underlying organs from environmental damage and synthesizes vitamin D 4. NERVOUS: Responds to environmental changes by transmitting electrical impulses

Which life process in the body sustains all others?

Metabolism

Select the most correct statement:
a) Organ systems can be composed of cells or tissues, but not both.
b) Organ systems operate independently of each other to maintain life.
c) The immune system is closely associated with the lymphatic system.
d) The endocrine system is not a true structural organ system.

C) The immune system is closely associated with the lymphatic system

Which of the following are survival needs of the body?

Nutrients, water, atmospheric pressure, and oxygen

Which of the following represents the correct order in which the components interact in a homeostatic control system?

The receptor, the control center, and the effector

Which of the following is true of negative feedback mechanisms?

The effect opposes the original stimulus or reduces its intensity

In a homeostatic control mechanism, which component monitors the environment?

Receptor

Which of the following statements is true concerning feedback mechanisms?

Negative feedback mechanisms work to prevent sudden severe changes within the body

Control Mechanisms
Drag the appropriate labels to their respective targets

LEFT TO RIGHT: 1. stimulus 2. receptor 3. input 4. control center 5. output 6. effector 7. response

Body Cavities
Drag the appropriate labels to their respective targets

LEFT UP TO DOWN 1. cranial cavity 2. vertebral cavity RIGHT UP TO DOWN 1. thoracic cavity 2. abdominal cavity 3. pelvic cavity

What is the function of serous fluid?

It enables organs, such as the heart and stomach, to slide across cavity walls and each other without friction

The sagittal plane is a vertical plane that divides the body into right and left parts

True

Regional/Directional Terms

1. The upper arm is PROXIMAL to the forearm 2. The fingers are DISTAL to the wrist 3. The stomach is ANTERIOR to the spine 4. The bridge of the nose is MEDIAL to the left eye 5. The lungs are LATERAL to the heart

Positive feedback mechanisms tend to enhance the original stimulus so that the response is accelerated

True

Which of the following organs or structures would be found in the left iliac region?

Intestines