ATI TEAS 7
Science
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,ATI TEAS 7 Exam Preparation Questions with Answers
Anatomy & Physiology — 40 questions
1. Which chamber of the heart pumps oxygenated blood to the body?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle
Answer: D. Left ventricle — it sends oxygenated blood into the aorta for systemic
circulation.
2. The functional unit of the kidney responsible for filtration and reabsorption is the:
A. Nephron
B. Glomerulus
C. Collecting duct
D. Loop of Henle
Answer: A. Nephron — the nephron (which contains glomerulus, tubules) is the kidney’s
functional unit.
3. Which structure is the primary site of gas exchange in the lungs?
A. Bronchi
B. Alveoli
C. Trachea
D. Diaphragm
Answer: B. Alveoli — alveoli have thin walls and large surface area for O₂/CO₂
exchange.
4. What type of joint is the shoulder (glenohumeral) joint?
A. Hinge joint
B. Ball-and-socket joint
C. Pivot joint
D. Saddle joint
Answer: B. Ball-and-socket joint — allows multi-axial movement.
5. Which blood cells are primarily responsible for initiating clot formation?
A. Erythrocytes
B. Leukocytes
C. Platelets (thrombocytes)
D. Lymphocytes
Answer: C. Platelets — they aggregate and form the initial platelet plug for hemostasis.
6. Which part of the neuron receives incoming signals?
A. Axon
B. Dendrite
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, ATI TEAS 7 Exam Preparation Questions with Answers
C. Synaptic terminal
D. Node of Ranvier
Answer: B. Dendrite — dendrites receive neurotransmitter signals from other neurons.
7. Which hormone raises blood glucose by stimulating gluconeogenesis and
glycogenolysis?
A. Insulin
B. Glucagon
C. Aldosterone
D. ADH
Answer: B. Glucagon — released by alpha cells of pancreas to increase blood glucose.
8. The primary muscle used in quiet inhalation is the:
A. Rectus abdominis
B. External intercostals
C. Diaphragm
D. Internal intercostals
Answer: C. Diaphragm — it contracts downward to increase thoracic volume.
9. Where does fertilization normally occur in the female reproductive tract?
A. Uterine cavity
B. Cervix
C. Vagina
D. Fallopian (uterine) tube — ampulla
Answer: D. Fallopian tube (ampulla) — most common site for sperm-egg fusion.
10. Which organ produces bile important for fat digestion?
A. Pancreas
B. Liver
C. Gallbladder
D. Stomach
Answer: B. Liver — produces bile; gallbladder stores and concentrates it.
11. What component of blood carries oxygen?
A. Plasma
B. Leukocytes
C. Hemoglobin in erythrocytes
D. Platelets
Answer: C. Hemoglobin in erythrocytes — hemoglobin binds O₂ for transport.
12. The layer of the skin that contains blood vessels and nerve endings is the:
A. Epidermis
B. Dermis
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