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Week 1-5
Question | Answer |
---|---|
Two major cavities of the human body are: | Ventral/Dorsal |
An x-ray technician has been asked to make x-ray films of the liver. Which of the abdominopelvic regions must be included? | Right hypochondriac, epigastric, and left hypochondriac |
Which of the following does not describe anatomical position? | Arms extended from the shoulders, palms up |
An organization of many similar cells that are specialized to perform a certain function is called a(n): | tissue |
The gallbladder lies in the: | abdominal cavity. |
The body as a whole can be subdivided into two major divisions. They are | axial and appendicular. |
The knee is ________ to the foot. | proximal |
The gluteal region is ________ to the popliteal region. | superior |
A coronal section through the human body can | Pass through both ears. |
The sternal region is ________ to the scapular region. | anterior |
The body as a whole can be subdivided into two major divisions. They are | axial and appendicular. |
The reaction between hydrogen and oxygen needed to form water is an example of a: | synthesis reaction. |
The element oxygen has an atomic number of 8, which means it contains: | eight protons. |
The type of chemical reaction most likely to require energy is a(n) _____ reaction. | synthesis |
As the concentration of hydroxide ions (OH–) increases, the: | the solution becomes more basic and the pH rises |
Chemical bonds formed by the sharing of electrons are called: | Covalent. |
Which subatomic particles carry a charge? | Protons and electrons |
What decomposition reaction requires the addition of a water molecule to break a bond? | hydrolysis |
An atom can be described as chemically inert if its outermost electron shell contains _____ electrons. | eight |
The most abundant element essential to life is | Carbon. |
A molecule that is polar: | can form a hydrogen bond and has an unequal charge. |
For sodium to transform from a neutral atom to a positive ion, it must: | lose an electron. |
An example of an element would be: | Ne. |
This membranous organelle is the site of protein synthesis for proteins that are secreted by the cell. | rough endoplasmic reticulum |
Phospholipids of the plasma membrane are arranged | as a bilayer with their nonpolar tails sandwiched between the polar heads. |
In the matrix of the plasma membrane, a variety of proteins are embedded. Some of these proteins serve as passageway for Na+ ions or glucose. These proteins are called | transport proteins. |
Of the following, the only organelle that has a double membrane structure is the | mitochondrion. |
integral proteins in the plasma membrane | Determine which molecules are transported through the membrane,Some attach to the glycocalyx and most extend all the way through the membrane. |
The function of the smooth endoplasmic reticulum is to | Supply membrane for use throughout the cell, makes steroid hormones and makes glycoproteins. |
The rough endoplasmic reticulum is | made of broad, flattened sacs and has many ribosomes attached to it. |
A list of the cell fibers from largest to smallest would read: | microtubules, intermediate filaments, microfilaments. |
In the cell membrane, the hydrophilic part of the phospholipid molecule: | faces the exterior of the cell and faces the interior of the cell. |
The membranous structure containing substances that protect the cell from harm are: | lysosomes and peroxisomes. |
The most abundant and widespread tissue in the body is | connective. |
The extracellular components of bone matrix are | hard and calcified. |
The vertebral bones that support the small (lower section) of the back are the | lumbar vertebrae. |