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Ch 21
Question | Answer |
---|---|
The cardiovascular system is | 2 or more organs working 2ward the same goal |
In order for anatomical terms to be universally understood, it is assumed that the body is in the anatomical position, which is? | Standing upright & facing forward w the arms @ the sides & the palms of the hands facing forward |
In the anatomical position, the body is | Standing w the arms @ the sides & palms facing forward |
Which anatomical position is the nose compared to the ears? | Anterior |
The thoracic cavity is what to the abdominal cavity? | Superior |
Which anatomical position are the fingers compared to the elbow? | Distal |
Most of the organs of digestion are found in what cavity? | Abdominal |
The pelvic cavity contains what? | The reproductive organs |
What are molecules composed of? | @ least 2 atoms bonded 2gether |
@ what pH is a solution neither an acid nor a base? | 7 |
During mitosis the nucleus does what? | Makes a complete copy of each pair of chromosomes |
What is the term for the segment of DNA that determines a body trait? | Gene |
The directional position above or close the head is which of the following terms? | Superior |
What is the term for a directional position that is farther away from the midline of the body? | Lateral |
How are bones directionally positioned to the skin? | Deep |
How are the knees positioned to the hips | Caudal |
The position toward the front of the body is called what? | Anterior |
How is the brain positioned to the nose? | Dorsal |
What is the position that is closest to the midline of the body? | Medial |
In what directional position is the skin relative to the muscles? | Superficial |
Which of the following describes a position close to the point of attachment or to the trunk of the body? | Proximal |
How is the elbow positioned to the wrist? | Proximal |
Which plane divides the body into inferior and superior portions? | Transverse |
Which plane divides the body into right & left portions? | Saggital |
Which plane divides the body into anterior and posterior portions? | Frontal |
What plane divides the body equally into right and left halves | Midsagittal |
What releases hydroxyl ions in water? | Bases |
When positively or negatively charged particles are released by electrolytes, they are called what? | Ions |
When put in water, what release positively or negatively charged ions? | Electrolytes |
Which of the following releases hydrogen ions in water? | Acids |
What is the term for the overall chemical functioning of the body? | Metabolism |
Which of the following is primarily used to make energy? | Carbohydrates |
Triglycerides that are used to store energy for cells are one for of what? | Lipid |
Which substances are the structural materials for building solid body parts? | Proteins |
Where is the genetic information for the body located? | DNA |
Which of the following is usually found near the center of the cell & contains the chromosomes? | Nucleus |
Which of the following is made up of phospholipids, proteins, cholesterol, & carbohydrates & is very thin and selectively permeable? | Cell membrane |
What part of the cell is mostly water, ions, & nutrients and contains organelles that perform many functions? | Cytoplasm |
Carrier molecules help move substances from an area of low concentration to an area of high concentration by what? | Active transport |
When some type of pressure forces substances across a membrane what is it called? | Filtration |
What is the movement of water across a semipermeable membrane? | Osmosis |
Substances "spread out" by what? | Diffusion |
Water moves toward a higher concentration of solutes by what? | Osmosis |
What is the movement of a substance from an area of high concentration to an area of low concentration across a semipermeable membrane? | Diffusion |
Which of these genetic disorders, in which clotting factors are missing, primarily affects males? | Hemophilia |
Which of the following is a life-threatening disease that mianly affects the lungs & pancreas? | Cystic fibrosis |
What is the inability to synthesize the enzyme needed to produce tyrosine? | Phenylketonuria (PKU) |
The disorder in which a person is born without pigmentation in the skin, eyes, & hair is what? | Albinism |
Which type of tissue covers the body & most organs? | Epithelial |
Which type of tissue are cells separated by a matrix? | |
Homeostasis | |
The relative consistency of the body's internal environment is called what? | |
Physiology | |
What is the scientific term for the study of the function of the body's organs? | |