A & P test over quiz 1 and new info

Question 1

medial plane

Answer 1

cuts the body into equal left and right regions

Question 2

frontal plane

Answer 2

cuts body into equal front and back regions

Question 3

transverse plane

Answer 3

cuts body into equal top and bottom parts

Question 4

abdominal cavity

Answer 4

RUQ, LUQ, RLQ, LLQ —> R hypochondriac region, epigastric region, L hypo, R lumbar region, umbilical region, L lumbar, R iliac, hypogastric region, L iliac

Question 5

muscular tissue

Answer 5

movement of skeleton, beating of heart, movement of food through digestive system

Question 6

connective tissue

Answer 6

makes up bone, cartilage, blood, connects organs together

Question 7

nervous tissue

Answer 7

conducts electrical impulses through the brain, spinal cord, and nerves

Question 8

epithelial tissue

Answer 8

makes up skin, lining of internal pathways, and glands

Question 9

nucleus

Answer 9

control center, contains genetic info

Question 10

endoplasmic reticulum

Answer 10

synthesizes proteins and ships them around the cell (smooth or rough ER)

Question 11

mitochondria

Answer 11

converts food into ATP (cellular respiration)

Question 12

Golgi apparatus

Answer 12

packages and transports materials around the cell in sacs called vessicles

Question 13

lysosomes

Answer 13

break down waste using hydrolytic enzymes

Question 14

centrioles

Answer 14

aid in cell division

Question 15

vacuoles

Answer 15

store nutrients and water, plants have larger vacuoles than animals

Question 16

DNA info

Answer 16

found in nucleus (46 chromosomes made of DNA in every body cell).

shaped in a double helix.

sides of ladder are sugars and phosphates

rungs are made of nitrogen bases (A,T,G,C) -base pairing

Question 17

transcription

Answer 17

DNA–> RNA (happens in nucleus)

Question 18

translation

Answer 18

RNA–>proteins (happens in the cytoplasm)

Question 19

polypeptide

Answer 19

link of amino acids

Question 20

mitosis

Answer 20

division of body cells

one parent–> two identical daughter cells

Prophase, Metaphase, Anaphase, Telophase, Cytokinesis

Question 21

meiosis

Answer 21

division of sex cells

one parent–> four diff daughter cells

same as mitosis x2

Question 22

semi-permeable barrier

Answer 22

only some substances can pass through

Question 23

passive transport (diffusion and osmosis)

Answer 23

molecules move naturally from high to low concentrations (no energy required)

Question 24

active transport

Answer 24

move molecules from low to high concentrations (energy required through ATP)
-endocytosis
-exocytosis