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APHY 101 IVYTECH test 1, midterm, test 3, final

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APHY 101 IVYTECH test 1, midterm, test 3, final Signs of aging at the cellular level are: impaired cell division and the ability to break down and recycle worn cell parts. In all organisms, the basic unit of structure and function is The cell The thoracic cavity lies _____________ the ...

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  • April 17, 2024
  • 18
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • aphy 101 ivytech test 1 midterm test 3 final si

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APHY 101 IVYTECH test 1, midterm, test 3, final
Signs of aging at the cellular level are:
impaired cell division and the ability to break down and recycle worn cell parts.


In all organisms, the basic unit of structure and function is
The cell


The thoracic cavity lies _____________ the abdominopelvic cavity.
Superior to


The diaphragm separates the thoracic and the abdominopelvic cavities. T/F
True


Which action is the main function of the digestive system?
Absorption of nutrients


The oral, nasal, orbital, and middle ear cavities are in the dorsal cavity. T/F
False


The digestive system filters wastes from the blood. T/F
False


The elbow is distal to the wrist.
T/F
False


Which of the following characteristics of life and their descriptions are correct?
Circulation-the movement of substances in body fluids


The ears are lateral to the eyes.
T/F
True


In negative feedback mechanisms changes away from the normal state
stimulate changes in the opposite direction.


Homeostasis is the
tendency of the body to maintain a stable internal environment.


An anatomical section that separates the body into right and left portions is a __________ section.
sagittal


Which of the following lists best illustrates the idea of increasing levels of complexity?

,Organelles, cells, tissues, organs, organ systems


Which of the following is not true of organelles?
They are only in cells of humans


The anatomical term that indicates a structure close to the surface is
superficial


Nucleic acids are
composed of building blocks called nucleotides.


The secondary structure of a protein molecule is the result of
hydrogen bonds


A person with alkalosis has a blood pH less than 7.3. T/F
False


The formula H2O refers to
A molecule that contains two hydrogen atoms and one oxygen atom.


Which of the following is characteristic of carbohydrates?
all of the above


Which of the choices includes all acids?
Vinegar, grapes, tomatoes, and coffee


Lipids
All of the above


Electrolytes are substances that
ionize in water


An electrolyte ionizes in water.
T/F
True


The number of protons in an atom of an element always equals its atomic weight. T/F
False


A water solution that contains equal numbers of hydrogen ions and hydroxide ions is
neutral.


Which of the following substances is an element?

, Iron


Which of the following groups of compounds is hydrophobic?
Lipids


The atomic weight of an element whose atoms contain 8 protons, 8 electrons, and 8 neutrons is
16


A decomposition reaction can be symbolized by
AB → A + B.


The difference in hydrogen ion concentration between solutions with pH 4 and pH 5 is
tenfold


Chemistry is important to the study of physiology because
all of the above


Cancer can result if
mitosis is too frequent or does not stop.


In phagocytosis
a cell membrane engulfs solid particles.


If the concentration of glucose in the water outside of a cell is higher than the concentration inside
water will leave the cell by osmosis.


Cilia and flagella extend from certain cells, enabling them to move. T/F
True


Chromosomes duplicate during
Interphase


A cell that can divide to give rise to any cell type is
totipotent


During interphase, a cell rests. T/F
False


The organelle where energy is captured and stored in the chemical bonds of ATP is a
mitochondrion.


We have an expert-written solution to this problem!
Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not. T/F

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