Hesi A&P (Anatomy and Physiology)
Study Guide (Updated) *Q&A*
|Verified Study Set|
What is the main function of the integumentary system?
The integumentary system protects the body, regulates temperature, and provides sensory
information.
Identify the smallest structural unit of life.
...
Hesi A&P (Anatomy and Physiology)
Study Guide 2024-2025 (Updated) *Q&A*
|Verified Study Set|
What is the main function of the integumentary system?
The integumentary system protects the body, regulates temperature, and provides sensory
information.
Identify the smallest structural unit of life.
The cell.
Describe the pathway of blood through the heart.
Blood enters the heart through the superior and inferior vena cava into the right atrium, flows
through the tricuspid valve into the right ventricle, is pumped to the lungs via the pulmonary
artery, returns to the left atrium through the pulmonary veins, passes through the mitral valve
into the left ventricle, and is pumped out to the body via the aorta.
What type of joint allows for the greatest range of motion?
A. Hinge joint
B. Ball-and-socket joint
C. Pivot joint
D. Saddle joint
B. Ball-and-socket joint
1
,What is the primary role of the digestive system?
The digestive system breaks down food into nutrients, which are absorbed into the
bloodstream.
Which part of the brain is responsible for coordinating voluntary movements?
A. Cerebellum
B. Cerebrum
C. Brainstem
D. Hypothalamus
A. Cerebellum
Explain the role of enzymes in biochemical reactions.
Enzymes are catalysts that speed up biochemical reactions by lowering the activation energy
required for the reaction to occur.
What is the primary component of the plasma membrane?
Phospholipids.
Identify the three types of muscle tissue.
Skeletal, cardiac, and smooth muscle.
What is the main function of red blood cells?
2
,A. Transport oxygen
B. Fight infection
C. Clot blood
D. Transport nutrients
A. Transport oxygen
Describe the process of cellular respiration.
Cellular respiration is the metabolic process where cells convert glucose and oxygen into
energy (ATP), carbon dioxide, and water.
Which organ system is responsible for producing hormones?
The endocrine system.
What is the function of the alveoli in the lungs?
The alveoli are tiny air sacs where gas exchange occurs, allowing oxygen to enter the blood
and carbon dioxide to be expelled.
Identify the primary components of the central nervous system.
The brain and spinal cord.
What is the purpose of myelin in the nervous system?
Myelin insulates axons, increasing the speed of electrical impulses along the nerve fiber.
3
, Which part of the eye is responsible for focusing light?
A. Retina
B. Cornea
C. Iris
D. Lens
D. Lens
What is the primary role of the lymphatic system?
The lymphatic system helps maintain fluid balance, absorbs fats from the digestive system,
and is integral to the immune response.
Explain the significance of the blood-brain barrier.
The blood-brain barrier protects the brain from harmful substances and pathogens while
allowing essential nutrients to pass through.
Which cells in the body are responsible for immune response?
White blood cells (leukocytes).
What is the primary function of the gallbladder?
The gallbladder stores and concentrates bile produced by the liver.
Describe the structure of a neuron.
4
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