HESI A2 Practice test QUESTIONS AND ANSWERS 100% ACCURATE.
A medical-scientists wants to study the parenchyma of the kidney. This scientist would correctly
be known, most specifically, as a:
a) biologist
b) doctor
c) anatomist
d) histologist - d) histologist
Histology is the study of tissues.
What is Erythropoiesis?
a) red blood cell formation
b) white blood cell formation
c) the destruction of red blood cells
d) the destruction of white blood cells - a) red blood cell formation
Blood cell formation is called Hemopoiesis.
Erythro- red blood cells
In which part of the body is keratin NOT found?
a) hair
b) skin
c) nails
d) teeth - d) teeth
Keratin is a family of fibrous structural proteins. Keratin is the key structural component of hair,
nails, and the outer layer of human skin
What is the relationship between sarcomeres and muscle cells?
a) sarcomeres are muscle cells
b) sarcomeres contain muscle cells
c) muscle cells contain myofibrils, which in turn are made up of sarcomeres
d) muscle cells contain sarcomeres, which in turn are made up of myofibrils - c) muscle cells
contain myofibrils, which in turn are made up of sarcomeres
A person who has torn their vastus lateralis muscle will need which of the following?
a) an arm sling
b) a cane or crutches
c) insulin
d) a neck brace - b) a cane or crutches
The vastus lateralis muscle is a voluntary muscle in the legs. It is part of the quadriceps.
Muscles produce contraction due to the sliding of:
, a) filaments
b) sarcomeres
c) flexors
d) neutrons - a) filaments
During muscle contraction, filaments slide together by using energy supplied by ATP.
The medulla oblongata has what primary responsibility?
a) balance
b) intellect
c) vital functions
d) sensory input - c) vital functions
The medulla oblongata is responsible for basic vital functions, including respiration and heart
rate.
Which of the following is true about simple reflexes?
a) they travel through the entire body
b) they travel only through the spinal cord
c) they travel only through the brain
d) they do not travel and remain localized - b) they travel only through the spinal cord
Simple reflexes, known also as spinal reflexes, travel only through the spinal cord, and do not
reach the brain.
What is the primary role of estrogen in the female reproductive system?
a) it initiates the preparation of the endometrium for pregnancy
b) it triggers the release of the egg from the ovary
c) it causes fertilization
d) it triggers the production of breast milk - a) it initiates the preparation of the endometrium for
pregnancy
What is the name of the structure that transfers urine from the kidneys to the bladder? - -ureters
Humans can survive most easily without which of the following?
a) pancreas
b) lungs
c) gallbladder
d) bladder - c) gallbladder
The gallbladder's function is to store bile, but the GI tract is more than capable of producing bile
to digest fat without it.
Which of the following is NOT a role of cortisol?
a) reducing inflammation
b) raising the blood sugar level
A medical-scientists wants to study the parenchyma of the kidney. This scientist would correctly
be known, most specifically, as a:
a) biologist
b) doctor
c) anatomist
d) histologist - d) histologist
Histology is the study of tissues.
What is Erythropoiesis?
a) red blood cell formation
b) white blood cell formation
c) the destruction of red blood cells
d) the destruction of white blood cells - a) red blood cell formation
Blood cell formation is called Hemopoiesis.
Erythro- red blood cells
In which part of the body is keratin NOT found?
a) hair
b) skin
c) nails
d) teeth - d) teeth
Keratin is a family of fibrous structural proteins. Keratin is the key structural component of hair,
nails, and the outer layer of human skin
What is the relationship between sarcomeres and muscle cells?
a) sarcomeres are muscle cells
b) sarcomeres contain muscle cells
c) muscle cells contain myofibrils, which in turn are made up of sarcomeres
d) muscle cells contain sarcomeres, which in turn are made up of myofibrils - c) muscle cells
contain myofibrils, which in turn are made up of sarcomeres
A person who has torn their vastus lateralis muscle will need which of the following?
a) an arm sling
b) a cane or crutches
c) insulin
d) a neck brace - b) a cane or crutches
The vastus lateralis muscle is a voluntary muscle in the legs. It is part of the quadriceps.
Muscles produce contraction due to the sliding of:
, a) filaments
b) sarcomeres
c) flexors
d) neutrons - a) filaments
During muscle contraction, filaments slide together by using energy supplied by ATP.
The medulla oblongata has what primary responsibility?
a) balance
b) intellect
c) vital functions
d) sensory input - c) vital functions
The medulla oblongata is responsible for basic vital functions, including respiration and heart
rate.
Which of the following is true about simple reflexes?
a) they travel through the entire body
b) they travel only through the spinal cord
c) they travel only through the brain
d) they do not travel and remain localized - b) they travel only through the spinal cord
Simple reflexes, known also as spinal reflexes, travel only through the spinal cord, and do not
reach the brain.
What is the primary role of estrogen in the female reproductive system?
a) it initiates the preparation of the endometrium for pregnancy
b) it triggers the release of the egg from the ovary
c) it causes fertilization
d) it triggers the production of breast milk - a) it initiates the preparation of the endometrium for
pregnancy
What is the name of the structure that transfers urine from the kidneys to the bladder? - -ureters
Humans can survive most easily without which of the following?
a) pancreas
b) lungs
c) gallbladder
d) bladder - c) gallbladder
The gallbladder's function is to store bile, but the GI tract is more than capable of producing bile
to digest fat without it.
Which of the following is NOT a role of cortisol?
a) reducing inflammation
b) raising the blood sugar level
