ATI TEAS Science Prep UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Blood flow through the heart - CORRECT ANSWER✔✔- 1-Superior & Inferior Vena Cava,
2-Rt Atrium, 3-Tricuspid Valve, 4- Rt Ventricle, 5-Pulmonary Valve, 6-Pulmonary Artery, 7-
Lungs-pick up oxygen, 8-Pulmonary Veins, 9- Lt Atrium, 10- Mitral Valve (Bicuspid), 11-Lt
Ventricle, 12- Aortic Valve, 13-Aorta, 14- Body
What does a catalyst do? - CORRECT ANSWER✔✔- lowers activation energy and speeds
up reaction
Osteoblast - CORRECT ANSWER✔✔- builds bone
Osteoclast - CORRECT ANSWER✔✔- breaks down bone
Water - CORRECT ANSWER✔✔- Polar; Universal Solvent
Testosterone - CORRECT ANSWER✔✔- Androgen important in puberty; Regulated by the
pituitary gland
Enzyme - CORRECT ANSWER✔✔- protein that speeds up a chemical reaction; ends in ase
Acid Reflux - CORRECT ANSWER✔✔- Cardiac Sphincter does not close
polar covalent bond - CORRECT ANSWER✔✔- unequal sharing of electrons
nonpolar covalent bond - CORRECT ANSWER✔✔- equal sharing of electrons
ionic bond - CORRECT ANSWER✔✔- complete transfer of electrons (Metal and Non-
Metal
, Parathyroid - CORRECT ANSWER✔✔- regulates calcium and phosphorus
Spleen - CORRECT ANSWER✔✔- T and B cell activation; degrades RBC
Thymus - CORRECT ANSWER✔✔- site of T cell maturation
Thyroid - CORRECT ANSWER✔✔- regulates metabolism and growth of the body; requires
iodine
lymphatic system - CORRECT ANSWER✔✔- Lymph flows from the interstitial space to the
heart; absorption of lipids
triple point - CORRECT ANSWER✔✔- the temperature and pressure conditions at which
the solid, liquid, and gaseous phases of a substance coexist at equilibrium
critical point - CORRECT ANSWER✔✔- the temperature and pressure at which the gas and
liquid states of a substance become identical and form one phase
Prokaryote and Eukaryote have what in common? - CORRECT ANSWER✔✔- Cell
membrane, DNA, Cytoplasm, Ribosomes
Contraction of the muscle requires? - CORRECT ANSWER✔✔- Calcium
PH scale decreases and increases by - CORRECT ANSWER✔✔- 10x i.e. 3 is 10 times more
acidic than 4
corpus luteum - CORRECT ANSWER✔✔- yellow hormone secreting body; produces
progesterone that makes uterus healthy for fetus; new one forms each menstrual cycle; breaks
down once progesterone is no longer needed
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