TEAS- Science

HUMAN ANATOMY & PHYSIOLOGY

1. What is the primary function of the heart?

A. Oxygenate blood

B. Filter waste

C. Pump blood

D. Regulate hormones

2. Which structure allows gas exchange in the lungs?

A. Bronchi

B. Trachea

C. Alveoli

D. Diaphragm

3. Which organ filters waste from the blood and produces urine?

A. Liver

B. Kidney

C. Bladder

D. Pancreas

4. What hormone lowers blood glucose levels?

A. Glucagon

B. Insulin

C. Cortisol

D. Epinephrine

5. Which organ produces bile?

A. Gallbladder

B. Liver

C. Pancreas

D. Small intestine

6. The gallbladder’s main function is to:

A. Produce bile

B. Store bile

C. Break down proteins

D. Filter toxins

7. What part of the brain controls balance and coordination?

A. Cerebrum

B. Cerebellum

C. Medulla

D. Hypothalamus

8. Which body system is responsible for removing metabolic waste?

A. Respiratory

B. Digestive

C. Urinary

D. Nervous

9. What structure carries oxygen in red blood cells?

A. Plasma

B. Platelets

C. Hemoglobin

D. Leukocytes

10. Which system regulates body temperature and protects against infection?

A. Muscular

B. Skeletal

C. Integumentary

D. Endocrine

ENDOCRINE & IMMUNE

11. Which gland regulates metabolism?

A. Pituitary

B. Thyroid

C. Adrenal

D. Pancreas

12. Which hormone is released during stress?

A. Insulin

B. Thyroxine

C. Cortisol

D. Melatonin

13. What is the function of white blood cells?

A. Oxygen transport

B. Blood clotting

C. Immune defense

D. Nutrient transport

14. Which structure produces antibodies?

A. Red blood cells

B. Platelets

C. White blood cells

D. Plasma

15. What gland is known as the “master gland”?

A. Thyroid

B. Pituitary

C. Adrenal

D. Pancreas

DIGESTIVE & RESPIRATORY

16. Where does most nutrient absorption occur?

A. Stomach

B. Large intestine

C. Small intestine

D. Esophagus

17. What is the function of the diaphragm?

A. Digest food

B. Pump blood

C. Assist breathing

D. Filter waste

18. Which gas is exhaled during respiration?

A. Oxygen

B. Nitrogen

C. Carbon dioxide

D. Hydrogen

19. What breaks down fats in the digestive system?

A. Enzymes

B. Hydrochloric acid

C. Bile

D. Insulin

20. The large intestine primarily absorbs:

A. Proteins

B. Fats

C. Water

D. Vitamins

CELL BIOLOGY & GENETICS

21. What is the basic unit of life?

A. Tissue

B. Organ

C. Cell

D. System

22. DNA is located in the:

A. Cytoplasm

B. Nucleus

C. Cell membrane

D. Ribosome

23. What process produces identical daughter cells?

A. Meiosis

B. Diffusion

C. Mitosis

D. Osmosis

24. What structure controls what enters and leaves the cell?

A. Nucleus

B. Cell membrane

C. Mitochondria

D. Ribosome

25. Which organelle produces energy?

A. Ribosome

B. Nucleus

C. Mitochondria

D. Golgi apparatus

CHEMISTRY & PHYSIOLOGY

26. A pH of 6 indicates a solution is:

A. Neutral

B. Basic

C. Acidic

D. Alkaline

27. What is the normal pH of blood?

A. 5.5

B. 6.8

C. 7.4

D. 8.2

28. What happens during diffusion?

A. Water moves across a membrane

B. Molecules move from high to low concentration

C. Energy is required

D. Cells divide

29. Osmosis specifically refers to the movement of:

A. Salt

B. Glucose

C. Water

D. Oxygen

30. Enzymes are best described as:

A. Hormones

B. Lipids

C. Biological catalysts

D. Structural proteins

MUSCULOSKELETAL & CIRCULATORY

31. What connects muscle to bone?

A. Ligament

B. Tendon

C. Cartilage

D. Joint

32. What connects bone to bone?

A. Tendon

B. Muscle

C. Ligament

D. Cartilage

33. What type of muscle is involuntary and found in organs?

A. Skeletal

B. Cardiac

C. Smooth

D. Voluntary

34. Which chamber of the heart pumps blood to the lungs?

A. Left atrium

B. Right atrium

C. Left ventricle

D. Right ventricle

35. Which blood vessel carries oxygenated blood away from the heart?

A. Vein

B. Capillary

C. Artery

D. Venule

SCIENTIFIC REASONING

36. What is the independent variable in an experiment?

A. The result

B. The variable being tested

C. The constant

D. The control

37. A control group is used to:

A. Change the outcome

B. Increase variables

C. Provide a comparison

D. Prove the hypothesis

38. What does a hypothesis do?

A. States a proven fact

B. Summarizes results

C. Makes a testable prediction

D. Draws conclusions

MIXED REVIEW

39. What organ stores urine?

A. Kidney

B. Ureter

C. Bladder

D. Urethra

40. Which vitamin helps with calcium absorption?

A. Vitamin A

B. Vitamin B

C. Vitamin C

D. Vitamin D

41. What blood component helps with clotting?

A. Red blood cells

B. White blood cells

C. Platelets

D. Plasma

42. Which organ is part of both the digestive and endocrine systems?

A. Liver

B. Pancreas

C. Gallbladder

D. Stomach

43. Which system responds fastest to stimuli?

A. Endocrine

B. Nervous

C. Digestive

D. Circulatory

44. What is homeostasis?

A. Disease prevention

B. Stable internal balance

C. Cell reproduction

D. Energy production

45. What organ regulates blood pressure and fluid balance?

A. Heart

B. Kidneys

C. Lungs

D. Liver

46. What part of the neuron receives signals?

A. Axon

B. Dendrite

C. Synapse

D. Myelin

47. Which body system produces movement?

A. Nervous

B. Muscular

C. Endocrine

D. Respiratory

48. What structure prevents food from entering the trachea?

A. Diaphragm

B. Uvula

C. Epiglottis

D. Larynx

49. What system transports hormones through the body?

A. Nervous

B. Digestive

C. Circulatory

D. Respiratory

50. Which organ is responsible for detoxifying drugs and alcohol?

A. Kidney

B. Pancreas

C. Liver

D. Spleen