CH.1 Review Questions

Which of the following describes positive feedback mechanisms? (Choose all that apply.)

A process that stimulates and promotes a change that is occurring in the body A mechanism that continues until it completes a process that has a specific cut off point.

The branch of science that deals specifically with the structure of body parts, and their relationship with other structures in the body, is called ______________________.

Anatomy

The two major cavities of the body are the _______________and ________________cavities.

Blank 1: dorsal, posterior, or posterior (dorsal) Blank 2: ventral, anterior, or anterior (ventral)

The _______________ portion of a serous membrane covers the organs in a body cavity. The ________________ portion of a serous membrane covers the inner wall of the body cavity.

Blank 1: visceral Blank 2: parietal

The cranial cavity houses which organ?

Brain

When the body has trouble maintaining homeostasis, what can occur?

Disease

Which of the following feedback mechanisms work to maintain a relatively constant value, with very little fluctuation from the set point?

Negative

Select all that apply Select all of these that are components of the integumentary system.

Skin Nails Hair

Which of the following statements are true regarding homeostatic mechanisms?

They help regulate body temperature and blood and fluid composition

True or false: The body contains two major cavities. These two cavities are the dorsal cavity and the ventral cavity.

True

Standing erect with arms at sides, face and palms forward, is referred to as being in the _________________ position.

anatomical or anatomic

The branch of science concerned with the structure of body parts is called:

anatomy

A structure located in front of another is: Multiple choice question.

anterior

A structure located to the front of another structure is considered to be ____________________.

anterior, ventral, or superficial

Which of the following fluids make up the internal environment of the body:

blood interstitial fluid (tissue fluid that surrounds the cells)

When homeostatic mechanisms don't work properly and a part of the body can no longer function properly, ______________ , or even death, occurs.

disease, illness, diseases, or sickness

Which of the following structures are located in the axial portion of the body?

head, neck and trunk

The maintenance of a relatively stable internal environment is called _______________ .

homeostasis

The _________________ system supports and protects internal structures, protects against water loss, and helps to regulate the body temperature.

integumentary

Blood and the tissue fluid that surrounds the cells make up the _____ environment of the body.

internal

The _________________ reproductive system includes the testes, and penis.

male

The region of the thoracic cavity that divides the thoracic cavity into the left and right portions is called:

mediastinum

The region of the thoracic cavity that divides the thoracic cavity into the left and right portions is called: Multiple choice question.

mediastinum

The homeostatic mechanism that keeps a variable close to a particular value, or set point, is ___________________ feedback.

negative

The brain, spinal cord and associated nerves are components of the ___________________ system.

nervous

Structures within cells that carry out specific functions are called:

organelles

In a serous membrane, the ______ layer lines the cavity wall and the ______ layer covers the surface of the internal organ(s).

parietal; visceral

In a serous membrane, the ______ layer lines the cavity wall and the ______ layer covers the surface of the internal organ(s). Multiple choice question.

parietal; visceral

Select all that apply Match the components of the male reproductive system. (Select all that apply)

penis testes

A process that promotes and stimulates the change that is occurring in the body is a ________________ feedback mechanism. Listen to the complete question

positive

Which of the following are homeostatic mechanisms of the Integumentary System? (select all that apply)

prevention of water loss protection and support of internal structures

A lengthwise cut that separates the body into left and right portions is a ______ plane.

sagittal

A(n) __________________ plane is a cut that separates the body into left and right portions.

sagittal, medial, midsagittal, or median

A(n) ____________________ plane is a cut that separates the body into left and right portions.

sagittal, medial, midsagittal, or median

The membranes that cover the ventral cavity and internal organs and secrete lubricating fluid are ______________________ membranes.

serous

The anatomical position can be described as:

standing upright, arms at side, palms facing forward

Organelles are: (select all that apply)

structures that carry out specific functions within cells structures composed of groups of macromolecules

Organs of the nervous system include

the brain, spinal cord and nerves.

The integumentary system consists of

the skin, hair, nails and associated glands.

Mediastinum is the middle region of the ____________________ cavity

thoracic

Mediastinum is the middle region of the cavity.

thoracic

Serous membranes provide lubricating fluid for the _____ cavity.

ventral

The spinal cord is located in the ________________ canal.

vertebral or dorsal