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Vidal Castañeda
SCI220-08 Anatomy Weeks 1-5
| Question | Answer |
|---|---|
| The smallest living units of structure and function in the body are: | cell |
| A surgeon removing a gallbladder should know to find it in the _____ region. | right hypochondriac |
| The structure that is called the “powerhouse” of the cell is the: | mitochondria |
| The ________ system is involved in immunity. | lymphatic |
| The knee is ________ to the foot. | proximal |
| The inguinal region lies | where the thigh joins the trunk. |
| _____ refers to an inner region of an organ, whereas _____ refers to an outer region or layer of an organ. | Medullary; cortical |
| Carbon has an atomic number of 6. The number of electrons found in the first shell is: | two |
| A magnesium atom has an atomic number of 12, an atomic mass of 25, and a +2 charge. This atom would contain _____ protons, _____ neutrons, and _____ electrons. | 12,13,10 |
| Substances that accept hydrogen ions are called: | bases |
| The atomic number of carbon is 6. How many unpaired electrons are in its outer shell? | four |
| The reaction between hydrogen and oxygen needed to form water is an example of a: | synthesis reaction. |
| The type of chemical reaction most likely to require energy is a(n) _____ reaction. | synthesis |
| The water molecule has two distinct ends, each with a partial electrical charge. Because of this structure, water is said to be | polar |
| The most abundant element essential to life is | carbon |
| An atom can be described as chemically inert if its outermost electron shell contains _____ electrons. | eight |
| A weak acid: | dissociates very little in solution. |
| Which of the following is not a function of the smooth endoplasmic reticulum? | Provides a site for ribosome attachment (These are true; Supplies membrane for use throughout the cell, Makes steroid hormones, Makes glycoproteins) |
| Which of the following is not true about ribosomes? | Surrounded by a membrane structure (These are true; Contain protein, Composed of a large unit and a small unit, Contain RNA) |
| The nucleolus is composed chiefly of: | rRNA |
| The plasma membrane is composed of all of the following except | tubulin protein (These are true; phospholipids, cholesterol, glycoproteins) |
| Ribosomes are organelles that | float in the cytoplasm and attach to the endoplasmic reticulum. |
| The skin glands include three kinds of microscopic glands. They are the __________ glands. | sweat, sebaceous, and ceruminous |
| Which of the following is not a principal type of tissue? | cardiac (These are true; epithelial, nervous, connective, muscle) |
| Of the five metacarpal bones that form the framework of the hand, the _____ metacarpal forms the most freely movable joint with the carpal bones. | thumb |
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Vidal213