Study Guide For Antonym
Epithelial tissue main job is to
Give a protective barrier for the body
Melanocytes are cells in our body that help
Helps produce melanin
Water moves via osmosis from
High To Low
Where are blood cells made?
In the bone marrow
The beating sound your heart makes comes from
heart valves opening and closing as they pump blood
This molecule can passively move through the membrane
oxygen
These carry blood back to the heart
veins
Which of the following is the greatest component of plasma?
water
The hypodermis does not compose of adipose tissue
False
White blood cells, in general, help fight infections and disease?
true
third degree burns are the worse type of burns, resulting in skin graphs
true
If a mole is asymmetric, irregular, colored, and larger than 6mm, it may likely be
Skin cancer
What causes acne?
bacterial infections of the subaceous glands
Histamine is a chemical that causes blood vessels to dilate in an effort to increase the flow of blood and subsequently leukocytes to the infected site. Which of the following leukocytes release the most histamine?
basophils
The atria are the upstairs chambers on the heart and these parts are the downstairs chambers?
Valves
Apocrine sweat glands release what type of sweat?
1. Fatty substances and proteins 2. Bacteria 3.sweat around the armpits
Circulation is important because it provides your body with?
1. Nutrients 2. Oxygen 3. getting rid of waste
Functions of connective tissue include
1. establishing a structural framework for the body 2. transporting fluids and dissolved material 3. providing protection delicate organs 4. storing energy reserve
Skin gives protection from
1. mechanical damage 2. UV radiation 3. Chemical damage
The lifespan of a red blood cell is about
120
How many chambers does the heart have?
4
Humans need to receive sunlight so their skin can synthesize (create) which vitamin?
Vitamin D
What do platelet cells do?
Form clumps and clot at wounded sites
If you receive a superficial (surface layer) cut, white blood cells are signaled to flood to the wound. In what tissue are the white blood cells made?
Bone
First degree burns damage the hypodermis
False
Phagocytosis is a process where some leukocytes (such as neutrophils) can __________.
Enter and exit the bloodstream in order to go the infected site
The epidermis is the outermost layer of skin mainly consisting of dead layers of cells
False
Epithelial cells that are adapted for absorption or secretion usually have __________ at their free surface.
Microvilli
What is the "powerhouse" of the cell?
Mitochondria
Together, just four elements make up more than 95 percent of the body's mass. These include
Oxygen, carbon, hydrogen, and nitrogen
The basic shapes of epithelial cells include all but which of the following?
Stratified, squamous, cuboidal, and columnar
Although a skier has a jacket on, she is still cold. How can her circulatory system keep her warm?
The arterioles on the surface of her skin can vasodilate so less heat leaves her body
What does the clavicle and scapula protect?
The shoulder
If enzymes are exposed to extreme heat, they become denatured and no longer function
True
The cell membrane is semi-permeable?
True
The dermis is mainly connective tissue with blood vessels and nerve endings
True
Cells that store fat are called
adipose cell
Chondrocytes are to cartilage as osteocytes are to
bone
Ligaments attach
bone to bone
Types of muscle tissue include
cardiac, smooth, and skeletal
A blood type B person can donate to a blood type A?
false
Which of the following characteristics of erythrocytes allow for the easy exchange of oxygen and carbon dioxide?
flattened shape
Carbon monoxide is a deadly gas and binds to hemoglobin when inhaled. It creates problems because it binds to the same site as oxygen does, competing for the same binding site. This ultimately causes the erythrocyte to deliver carbon monoxide instead of oxygen to the tissues. Which of the following is the binding site for carbon monoxide?
iron
Oxygen binds to the __________ portion of hemoglobin.
iron
Cells that remove damaged cells or pathogens from connective tissue are
macrophages
The smallest level of organization in the human body is
molecular
The major element of whole blood is __________.
plasma
Why do platelets have to be shaken in the storage rooms?
prevent clotting
The muscle that is located in the walls of hollow internal organs is
smooth muscle
Enzymes are proteins mainly made in the pancreas and small intestines, what organelle synthesizes (creates) these proteins?
true