ATI Anatomy and Physiology Exam Prep 2026–2027: High-Yield Practice Questions

ATI Anatomy and Physiology Proctored Exam
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1. 1. Which of the following glands is responsible for D. Eccrine glands
temperature regulation?
A. Apocrine glands
B. Sebaceous glands
C. Serous glands
D. Eccrine glands

2. 2. Which of the following is a function of the gallblad- C. storage of bile
der?
A. Production of bile
B. Absorption of bile
C. Storage of bile
D. Elimination of bile

3. 3. The femur and the humerus belong to which of the A. long bones
following categories?
A. Long bones
B. Short bones
C. Flat bones
D. Irregular bones

4. 4. Which of the following is responsible for the regu- C. hypothalamus
lation of body temperature?
A. Cerebellum
B. Pons
C. Hypothalamus
D. Parietal lobe

5. 5. Which of the following occurs due to the release of C. fluid volume in the body
antidiuretic hormone? increases
A. The renal tubules absorb less water.
B. Urine becomes less concentrated.



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C. Fluid volume in the body increases.
D. Insensible water loss increases.

6. 6. Which of the following statements is correct regard- A. they adhere to the wall
ing parietal pleura? of the thoracic cavity sur-
A. They adhere to the wall of the thoracic cavity sur- rounding the lungs
rounding the lungs.
B. They adhere directly to each lung.
C. They create a space between the lungs and the wall
of the thoracic cavity.
D. They are mucous membranes that contain ciliated
epithelium.

7. 7. Which of the following body functions is stimulated D. Skeletal muscle move-
by the somatic nervous system? ment
A. Heart rate
B. Breathing
C. Sweating
D. Skeletal muscle movement

8. 8. Which of the following actions is the stimulus for A. stretching of the mus-
defecation? cles of the rectum
A. Stretching of the muscles of the rectum
B. Peristalsis of the colon
C. Relaxation of the internal anal sphincter
D. Relaxation of the external anal sphincter

9. 9. Which of the following processes describes the B. diffusion
transport of molecules from an area of greater con-
centration to an area of lesser concentration?
A. Osmosis
B. Diffusion



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C. Filtration
D. Active transport

10. 10. Which of the following types of muscle tissue is D. skeletal
under voluntary control?
A. Smooth
B. Cardiac
C. Visceral
D. Skeletal

11. 11. Which of the following parts of the brain regulates D. Medulla Oblongata
heart rate, respiratory rate, and blood pressure?
A. Corpus callosum
B. Basal ganglia
C. Hypothalamus
D. Medulla oblongata

12. 12. Which of the following is the function of surfactant B. Prevention of alveoli
in the alveoli of the lungs? collapse
A. Uptake of oxygen in the alveoli
B. Prevention of alveoli collapse
C. Removal of carbon dioxide in the alveoli
D. Increase alveoli surface tension

13. 13. Which of the following structures contains colla- B. Dermis
gen and elastin as major proteins?
A. Epidermis
B. Dermis
C. Subcutaneous tissue
D. Adipose tissue

14. 14. Which of the following actions take place during A. The cardiac muscle in
atrial systole? the atrial wall contracts,


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A. The cardiac muscle in the atrial wall contracts, forc- forcing blood through the
ing blood through the atrioventricular valves and into atrioventricular valves and
the ventricles. into the ventricles
B. The atrioventricular valves close, and blood is
forced out of the ventricles through the semilunar
valve and into the arteries.
C. The semilunar valves close when the ventricles re-
lax.
D. The atrioventricular valves abruptly close as the
ventricles contract.

15. 15. Which of the following effects does atrial natriuret- A. Increased urine volume
ic hormone have on urine output?
A. Increased urine volume
B. Decreased urine volume
C. Increased sodium reabsorption
D. Increased potassium reabsorption

16. 16. Which of the following steps occurs first during the A. Blood clots stop the
process of wound healing? blood loss at the injury site
A. Blood clots stop the blood loss at the injury site.
B. Fiber-producing cells in dermis repair the damaged
network of fibers.
C. Fibroblast cells repair damaged tissue by collagen
deposition.
D. Blood capillaries increase the blood flow to the
injured area.

17. 17. Which type of fluid makes up the largest distribu- A. Intracellular fluids
tion of total body water?
A. Intracellular fluids
B. Extracellular fluids