HESI A2 2024/2025 QUESTIONS WITH
CORRECT ANSWERS
Which of these statements is true regarding the way light
travels?
A. Sound travels faster than light.
B. The speed of light is always the same regardless of the
medium through which it travels.
C. Light travels as both a wave and a particle.
D. Light can not travel through a vacuum. - CORRECT
ANSWER-C. Light travels as both a wave and a particle.
Light is a curiosity in that it acts as both a wave and a particle.
It only changes direction via reflection (bouncing off of
something) or refraction (passing from one medium to another).
In a vacuum, the speed of light is constant, but when passing
through a medium that has an index of refraction different from
a vacuum, light's speed slows.
Which of these elements is liquid at room temperature?
A. mercury
B. zinc
C. manganese
D. magnesium - CORRECT ANSWER-A. mercury
Mercury is the only one of the elements listed here that is liquid
at room temperature. The element bromine also has this
property.
Where is the hyoid bone located?
A. neck
B. pelvis
C. rib cage
,D. leg - CORRECT ANSWER-A. neck
The hyoid bone is located between the chin and thyroid
cartilage.
A person with AB- blood should not receive blood from which
other blood type?
A. B-
B. A-
C. O-
D. AB+ - CORRECT ANSWER-D. AB+
Those with an AB- blood type should not receive blood from
those with AB+ blood. Although both AB+ and AB- blood have
A and B antigens, the person with AB- blood lacks a special
protein, or "Rhesus" Factor (Rh), circulating in their blood. If
they are given blood that has the Rh factor present, their body
will make antibodies to this foreign substance and
complications will occur. This is especially true in pregnancy
situations where the mother is Rh- and the baby she is carrying
is Rh+.
Which blood type is considered the universal donor?
A. O-
B. O+
C. AB-
D. AB+ - CORRECT ANSWER-A. O-
O- blood lacks both A and B antigens and the Rh factor,
making it the only blood type that can donate to everyone.
Note the correct use of the terms antibody and antigen:
O- is the best donor because it does not have A, B or Rh
antigens.
AB+ is the universal receiver because it does not have A, B or
Rh antibodies.
What is the only artery in the body to carry oxygen-poor blood?
, A. renal artery
B. interosseous artery
C. vena cava
D. pulmonary artery - CORRECT ANSWER-D. pulmonary
artery
Most arteries in the body carry oxygen-rich blood away from
the heart, but the pulmonary artery carries oxygen-poor blood
from the right ventricle of the heart to the lungs. The vena cava
would not be correct because it is not an artery, it is a vein and
the question asks for an artery.
Chocolate cysts of the ovaries are attributed to ____.
A. menorrhagia
B. ectopic pregnancy
C. pelvic inflammatory disease
D. endometriosis - CORRECT ANSWER-D. endometriosis
Endometriosis is a condition in which the tissue from the uterus
(endometrium) grows in other parts of the body, such as the
ovaries or bowel. If a woman has endometrial tissue in her
ovary, the tissue bleeds and builds up over time, and as the
blood ages it turns brown, hence the term "chocolate cyst."
Which is not true of synovial joints?
A. They are found in the intervertebral discs of the spinal
column
B. They have a fluid-filled capsule that surrounds their
articulating surface
C. They are the most common joint in the body
D. They are the most moveable joint type in the body -
CORRECT ANSWER-A. They are found in the intervertebral
discs of the spinal column
Instead of a synovial joint, the intervertebral discs of the spinal
column form a fibrocartilaginous joint, which allows slight
movement of the vertebrae of the spine.
CORRECT ANSWERS
Which of these statements is true regarding the way light
travels?
A. Sound travels faster than light.
B. The speed of light is always the same regardless of the
medium through which it travels.
C. Light travels as both a wave and a particle.
D. Light can not travel through a vacuum. - CORRECT
ANSWER-C. Light travels as both a wave and a particle.
Light is a curiosity in that it acts as both a wave and a particle.
It only changes direction via reflection (bouncing off of
something) or refraction (passing from one medium to another).
In a vacuum, the speed of light is constant, but when passing
through a medium that has an index of refraction different from
a vacuum, light's speed slows.
Which of these elements is liquid at room temperature?
A. mercury
B. zinc
C. manganese
D. magnesium - CORRECT ANSWER-A. mercury
Mercury is the only one of the elements listed here that is liquid
at room temperature. The element bromine also has this
property.
Where is the hyoid bone located?
A. neck
B. pelvis
C. rib cage
,D. leg - CORRECT ANSWER-A. neck
The hyoid bone is located between the chin and thyroid
cartilage.
A person with AB- blood should not receive blood from which
other blood type?
A. B-
B. A-
C. O-
D. AB+ - CORRECT ANSWER-D. AB+
Those with an AB- blood type should not receive blood from
those with AB+ blood. Although both AB+ and AB- blood have
A and B antigens, the person with AB- blood lacks a special
protein, or "Rhesus" Factor (Rh), circulating in their blood. If
they are given blood that has the Rh factor present, their body
will make antibodies to this foreign substance and
complications will occur. This is especially true in pregnancy
situations where the mother is Rh- and the baby she is carrying
is Rh+.
Which blood type is considered the universal donor?
A. O-
B. O+
C. AB-
D. AB+ - CORRECT ANSWER-A. O-
O- blood lacks both A and B antigens and the Rh factor,
making it the only blood type that can donate to everyone.
Note the correct use of the terms antibody and antigen:
O- is the best donor because it does not have A, B or Rh
antigens.
AB+ is the universal receiver because it does not have A, B or
Rh antibodies.
What is the only artery in the body to carry oxygen-poor blood?
, A. renal artery
B. interosseous artery
C. vena cava
D. pulmonary artery - CORRECT ANSWER-D. pulmonary
artery
Most arteries in the body carry oxygen-rich blood away from
the heart, but the pulmonary artery carries oxygen-poor blood
from the right ventricle of the heart to the lungs. The vena cava
would not be correct because it is not an artery, it is a vein and
the question asks for an artery.
Chocolate cysts of the ovaries are attributed to ____.
A. menorrhagia
B. ectopic pregnancy
C. pelvic inflammatory disease
D. endometriosis - CORRECT ANSWER-D. endometriosis
Endometriosis is a condition in which the tissue from the uterus
(endometrium) grows in other parts of the body, such as the
ovaries or bowel. If a woman has endometrial tissue in her
ovary, the tissue bleeds and builds up over time, and as the
blood ages it turns brown, hence the term "chocolate cyst."
Which is not true of synovial joints?
A. They are found in the intervertebral discs of the spinal
column
B. They have a fluid-filled capsule that surrounds their
articulating surface
C. They are the most common joint in the body
D. They are the most moveable joint type in the body -
CORRECT ANSWER-A. They are found in the intervertebral
discs of the spinal column
Instead of a synovial joint, the intervertebral discs of the spinal
column form a fibrocartilaginous joint, which allows slight
movement of the vertebrae of the spine.
