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DVC BIO 139 UNIT STUDY SET EXAM
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DVC BIO 139 UNIT STUDY SETEXAM
What is anatomical position - Answer standing erect, facing forward, upper limbs at the
sides, palms facing forward and thumbs out, toes pointing forward
Superior/ cephalad - Answer farther from the ground/ closer to the head
Inferior/ Caudad - Answer Closer to the ground/ closer to the feet
Anterior/ ventral - Answer In the forward direction/ towards the front of the body
Posterior/ dorsal - Answer in the backward direction/ towards the back of the body
Left & Right - Answer -as in English language
-each person keeps their own frame of reference
Medial - Answer toward the midline of the body
Lateral - Answer further from the midline, in either the left or right direction
Proximal - Answer Closer to the point of attachment
Distal - Answer Away from the point of attachment
Coronal plane - Answer separates front from back
Transverse Plane - Answer horizontal division of the body into upper and lower portions,
parallel to the ground
Sagittal/ Parasagittal Plane - Answer divides the body into left and right portions, never
on midline
Midsagittal Plane - Answer Divides body down the midline into left and right sides
Thoracic Cavity - Answer -enclosed by the ribs and sternum
-closed off by diaphragm
Abdominal Cavity - Answer Contains stomach, intestines, spleen, and liver, and other
organs
Pelvic cavity - Answer the space formed by the hip bones; contains primarily the organs
of the reproductive and excretory systems
Cranial cavity - Answer contains the brain
, Spinal/ posterior cavity - Answer contains the spinal column
Microscope arm - Answer used to carry the microscope
Microscope base - Answer supports the entire microscope
Condensor - Answer microscope component that focuses light on objects under study
coarse focus knob - Answer -Brings an object into focus at low or medium power
-moves stage up and down
Fine focus knob - Answer used for precision focusing
Lamp - Answer Provides the light needed to view the specimen
Iris diaphragm - Answer Adjusts the amount of light that reaches the specimen.
light intensity knob - Answer controls intensity of light
stage - Answer Supports the slide being viewed
stage clip - Answer Holds the slide in place
stage adjustment knobs - Answer used to move the slide on a mechanical stage in
vertical and horizontal directions
objective lenses - Answer these are found on the nosepiece and range from low to high
power
ocular lenses - Answer eye pieces used to view the magnified image from the slide
on/off (power) switch - Answer turns the microscope on and off
revolving nosepiece - Answer Holds and turns the objectives into viewing position
Thorax - Answer chest, pleural cavity
Abdomen - Answer belly area, cavity below the thorax
brain - Answer The mass of nerve tissue that is the main control center of the nervous
system
esophagus - Answer A muscular tube that connects the mouth to the stomach.
larynx - Answer the hollow muscular organ forming an air passage to the lungs and
holding the vocal cords in humans and other mammals; the voice box.
lungs - Answer two spongy organs, located in the thoracic cavity enclosed by the
diaphragm and rib cage, responsible for respiration
heart - Answer A hollow, muscular organ that pumps blood throughout the body.
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