HESI A2: AP PT.3 EXAM QUESTIONS

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HESI A2: A&P PT.3 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -29 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: What part of the body lacks Keratin?

• Hair
• Skin
• Nails
• Teeth

Answer:

• Teeth

Question 2: What is the best definition of homeostasis?

• a process whereby the body maintains a stable internal environment despite changes in

internal and external conditions

• a process whereby the body breaks down glucose to make energy to fuel other cellular

processes

• a process by which the body minimizes and responds to infection by microorganisms like

bacteria and viruses

• a process through which the body maintains its genetic composition throughout despite

different cells having different functions

Answer:

• a process whereby the body maintains a stable internal environment despite changes in internal and

external conditions

Question 3: What is primarily regulated by the medulla oblongata?

• Balance
• Personality
• Heart rate
• Sensory input

Answer:

• Heart rate

Question 4: A woman's body usually ovulates around what day in a normal 28-day cycle?

• Day 1
• Day 10
• Day 14
• Day 22

Answer:

• Day 14

Question 5: Which organelles are hair-like extensions that move substances over a cell's surface?

• Cilia
• Golgi apparatus
• Centrioles
• Mitochondria

Answer:

• Cilia

Question 6: What is erythropoiesis?

• red blood cell formation
• white blood cell formation
• the destruction of red blood cells
• the destruction of white blood cells

Answer:

• Red blood cell formation

Question 7: Estrogen serves what primary function of the female reproductive function?

• It initiates the preparation of the endometrium
• It triggers the real of the egg from the ovary
• It causes fertilization of the egg in the oviduct
• It stimulates the lactation of breast milk

Answer:

• It initiates the preparation of the endometrium

Question 8: Which pair of hormones regulate blood calcium homeostasis?

• Thyroid hormone and calcitonin
• Parathyroid hormone and calcitonin
• Insulin and glucagon
• Adrenaline and noradrenaline

Answer:

• Parathyroid hormone and calcitonin

Question 9: What is the name of the structure that transfers urine from the kidneys to the bladder?

• Urethra
• Tubule

• Ureter
• Nephron

Answer:

• Ureter

Question 10: Which of the following is NOT a function of the digestive tract?

• To enzymatically break down food.
• To perform gas exchange
• To absorb nutrients into the blood
• To eliminate unabsorbed waste

Answer:

• To preform gas exchange

Question 11: Which anatomical directional term refers to a body part being located toward the front of the body?

• Lateral
• Superior
• Anterior
• Posterior

Answer:

• Anterior

Question 12: what is the function of cyclic adenosine monophosphate (cAMP)?

• Is part of the cell membrane
• Provides energy for the cell
• Serves as a secondary messenger
• Is an endocrine hormone