HESI A2 All Versions Complete Verified Questions,
100% Satisfaction Guarantee Test Bank WITH
RATIONALES AND MULTIPLE CHOICES | GRADED
A+ | 100 % PASS | ( BRANDNEW) !!
Which mineral supports the function of the thyroid?
A. Manganese
B. Iodine
C. Phosphorus
D. Zinc
Correct Answer: B. Iodine
Rationale: Iodine is essential for thyroid hormone production. Deficiency can lead to
goiter.
The cheekbones are _________ to the nose.
A. Anterior
B. Proximal
C. Deep
D. Lateral
Correct Answer: D. Lateral
Rationale: The cheekbones are to the sides of the nose, making them lateral.
Which organ system is primarily responsible for generating antibodies?
A. Endocrine system
B. Digestive system
C. Lymphatic system
D. Nervous system
Correct Answer: C. Lymphatic system
Rationale: B cells in the lymphatic system produce antibodies to fight pathogens.
,The lateral side of the right knee would be ______.
A. The kneecap
B. Closest to the left knee
C. Farthest from the left knee
D. On the underside of the knee
Correct Answer: C. Farthest from the left knee
Rationale: “Lateral” means toward the outer side of the body, away from the midline.
In which part of the lungs do nearly all gaseous exchanges take place?
A. Pleura
B. Trachea
C. Bronchioles
D. Alveoli
Correct Answer: D. Alveoli
Rationale: Alveoli are tiny air sacs where oxygen enters the blood and carbon dioxide
exits.
How do the intercostal muscles assist with respiration?
A. Protect the bronchioles and alveoli
B. Signal a decrease in intra-alveolar pressure
C. Enlarge and reduce thoracic space
D. Maintain medial separation between pleurae
Correct Answer: C. Enlarge and reduce thoracic space
Rationale: Intercostal muscles expand and contract the chest cavity to help draw in and
expel air.
In which organ do muscles push food into the stomach via peristalsis?
A. Mouth
B. Small intestine
C. Epiglottis
D. Esophagus
Correct Answer: D. Esophagus
Rationale: Peristaltic waves in the esophagus move food from the mouth to the stomach.
,For the average person, what is true about caloric intake?
A. It increases with age after 25
B. It declines with age after 25
C. It remains constant over a lifetime
D. It declines then increases with age
Correct Answer: B. It declines with age after 25
Rationale: After mid-20s, metabolic rate slows, and caloric needs decrease slightly.
The corpus callosum facilitates communication between _________.
A. Left and right brain
B. Skeletal and neural systems
C. Brain and spinal cord
D. Thalamus and hypothalamus
Correct Answer: A. Left and right brain
Rationale: The corpus callosum is a band of nerve fibers connecting the two cerebral
hemispheres.
How does the integumentary system work with the nervous system?
A. Removes heat from neurons
B. Circulates nutrients outward
C. Sends touch input messages
D. Controls skin color and texture
Correct Answer: C. Sends touch input messages
Rationale: Skin receptors detect stimuli, which are transmitted to the nervous system for
processing.
When the pulmonary and aortic valves are open, where can blood flow?
A. Between the two ventricles
B. From atrium to ventricle
C. Between heart and body
D. Between the atria
Correct Answer: C. Between heart and body
Rationale: These valves allow blood to flow from the heart to the lungs and body, not
between chambers.
, Which might result from stenosis, or narrowing of a heart valve?
A. Abdominal pain
B. Blood clots
C. Edema in organs
D. Irregular heartbeat
Correct Answer: D. Irregular heartbeat
Rationale: Narrowed valves impede blood flow, which can lead to heart strain, swelling,
and arrhythmias.
The human skull contains about how many bones?
A. 5
B. 30
C. 60
D. 210
Correct Answer: B. 30
Rationale: Adults have about 30 skull bones (after fusion of some bones present at birth).
The arteries are part of the ___________.
A. Nervous system
B. Endocrine system
C. Lymphatic system
D. Cardiovascular system
Correct Answer: D. Cardiovascular system
Rationale: Arteries carry oxygenated blood from the heart to the body.
Which is a secondary defense against pathogens?
A. Tears
B. Urine
C. Inflammation
D. Mucus
Correct Answer: C. Inflammation
Rationale: Inflammation responds after infection occurs; the others are primary defenses.
Which organ system primarily stores minerals?
A. Skeletal system
100% Satisfaction Guarantee Test Bank WITH
RATIONALES AND MULTIPLE CHOICES | GRADED
A+ | 100 % PASS | ( BRANDNEW) !!
Which mineral supports the function of the thyroid?
A. Manganese
B. Iodine
C. Phosphorus
D. Zinc
Correct Answer: B. Iodine
Rationale: Iodine is essential for thyroid hormone production. Deficiency can lead to
goiter.
The cheekbones are _________ to the nose.
A. Anterior
B. Proximal
C. Deep
D. Lateral
Correct Answer: D. Lateral
Rationale: The cheekbones are to the sides of the nose, making them lateral.
Which organ system is primarily responsible for generating antibodies?
A. Endocrine system
B. Digestive system
C. Lymphatic system
D. Nervous system
Correct Answer: C. Lymphatic system
Rationale: B cells in the lymphatic system produce antibodies to fight pathogens.
,The lateral side of the right knee would be ______.
A. The kneecap
B. Closest to the left knee
C. Farthest from the left knee
D. On the underside of the knee
Correct Answer: C. Farthest from the left knee
Rationale: “Lateral” means toward the outer side of the body, away from the midline.
In which part of the lungs do nearly all gaseous exchanges take place?
A. Pleura
B. Trachea
C. Bronchioles
D. Alveoli
Correct Answer: D. Alveoli
Rationale: Alveoli are tiny air sacs where oxygen enters the blood and carbon dioxide
exits.
How do the intercostal muscles assist with respiration?
A. Protect the bronchioles and alveoli
B. Signal a decrease in intra-alveolar pressure
C. Enlarge and reduce thoracic space
D. Maintain medial separation between pleurae
Correct Answer: C. Enlarge and reduce thoracic space
Rationale: Intercostal muscles expand and contract the chest cavity to help draw in and
expel air.
In which organ do muscles push food into the stomach via peristalsis?
A. Mouth
B. Small intestine
C. Epiglottis
D. Esophagus
Correct Answer: D. Esophagus
Rationale: Peristaltic waves in the esophagus move food from the mouth to the stomach.
,For the average person, what is true about caloric intake?
A. It increases with age after 25
B. It declines with age after 25
C. It remains constant over a lifetime
D. It declines then increases with age
Correct Answer: B. It declines with age after 25
Rationale: After mid-20s, metabolic rate slows, and caloric needs decrease slightly.
The corpus callosum facilitates communication between _________.
A. Left and right brain
B. Skeletal and neural systems
C. Brain and spinal cord
D. Thalamus and hypothalamus
Correct Answer: A. Left and right brain
Rationale: The corpus callosum is a band of nerve fibers connecting the two cerebral
hemispheres.
How does the integumentary system work with the nervous system?
A. Removes heat from neurons
B. Circulates nutrients outward
C. Sends touch input messages
D. Controls skin color and texture
Correct Answer: C. Sends touch input messages
Rationale: Skin receptors detect stimuli, which are transmitted to the nervous system for
processing.
When the pulmonary and aortic valves are open, where can blood flow?
A. Between the two ventricles
B. From atrium to ventricle
C. Between heart and body
D. Between the atria
Correct Answer: C. Between heart and body
Rationale: These valves allow blood to flow from the heart to the lungs and body, not
between chambers.
, Which might result from stenosis, or narrowing of a heart valve?
A. Abdominal pain
B. Blood clots
C. Edema in organs
D. Irregular heartbeat
Correct Answer: D. Irregular heartbeat
Rationale: Narrowed valves impede blood flow, which can lead to heart strain, swelling,
and arrhythmias.
The human skull contains about how many bones?
A. 5
B. 30
C. 60
D. 210
Correct Answer: B. 30
Rationale: Adults have about 30 skull bones (after fusion of some bones present at birth).
The arteries are part of the ___________.
A. Nervous system
B. Endocrine system
C. Lymphatic system
D. Cardiovascular system
Correct Answer: D. Cardiovascular system
Rationale: Arteries carry oxygenated blood from the heart to the body.
Which is a secondary defense against pathogens?
A. Tears
B. Urine
C. Inflammation
D. Mucus
Correct Answer: C. Inflammation
Rationale: Inflammation responds after infection occurs; the others are primary defenses.
Which organ system primarily stores minerals?
A. Skeletal system
