OHIO BIO 2300 / STNA Comprehensive Practice Test
OHIO BIO 2300 / STNA Comprehensive Practice Test OHIO
BIO 2300 / STNA Comprehensive Practice Test
OHIO BIO 2300 / STNA Comprehensive Practice Test
GRADED A+
Question 1
A resident has a new order for a low-sodium diet. Which of the following
breakfast items should the nursing assistant remove from the resident's tray?
• A. Oatmeal
• B. Scrambled eggs
• C. Bacon
• D. Applesauce
Answer: C. Bacon
Rationale: Bacon is a processed meat that is very high in sodium. A low-sodium diet
restricts foods high in salt to manage conditions like hypertension or heart failure.
Oatmeal, scrambled eggs (without added salt), and applesauce are all naturally low in
sodium.
Question 2
The heart is a relatively small, conical organ approximately the size of a person's:
,OHIO BIO 2300 / STNA Comprehensive Practice Test
• A. Fist
• B. Head
• C. Foot
• D. Hand (open)
Answer: A. Fist
Rationale: The heart is about the size of a person's clenched fist. This is a standard
anatomical comparison used to help visualize the organ's size.
Question 3
The outermost layer of the heart wall, also known as the visceral layer of the
serous pericardium, is the:
• A. Myocardium
• B. Endocardium
• C. Epicardium
• D. Pericardial cavity
Answer: C. Epicardium
Rationale: The epicardium is the thin, outermost layer of the heart wall and is also the
visceral layer of the serous pericardium. The myocardium is the thick muscular middle
layer, and the endocardium is the innermost layer lining the chambers.
, OHIO BIO 2300 / STNA Comprehensive Practice Test
Question 4
When taking a resident's radial pulse, where should the nursing assistant place
their fingers?
• A. On the side of the neck
• B. On the inside of the wrist, below the thumb
• C. On the inside of the elbow
• D. On the top of the foot
Answer: B. On the inside of the wrist, below the thumb
Rationale: The radial pulse is located on the lateral aspect of the wrist, just below the
thumb. The carotid pulse is on the neck (A), the brachial pulse is at the elbow (C), and
the dorsalis pedis pulse is on the top of the foot (D).
Question 5
Which of the following is NOT a characteristic of life?
• A. Responsiveness
• B. Reproduction
• C. Crystallization
• D. Growth
Answer: C. Crystallization
Rationale: Characteristics of life include responsiveness, conductivity, growth,
circulation, respiration, reproduction, digestion, secretion, and excretion. Crystallization
is a physical, non-living process.
OHIO BIO 2300 / STNA Comprehensive Practice Test OHIO
BIO 2300 / STNA Comprehensive Practice Test
OHIO BIO 2300 / STNA Comprehensive Practice Test
GRADED A+
Question 1
A resident has a new order for a low-sodium diet. Which of the following
breakfast items should the nursing assistant remove from the resident's tray?
• A. Oatmeal
• B. Scrambled eggs
• C. Bacon
• D. Applesauce
Answer: C. Bacon
Rationale: Bacon is a processed meat that is very high in sodium. A low-sodium diet
restricts foods high in salt to manage conditions like hypertension or heart failure.
Oatmeal, scrambled eggs (without added salt), and applesauce are all naturally low in
sodium.
Question 2
The heart is a relatively small, conical organ approximately the size of a person's:
,OHIO BIO 2300 / STNA Comprehensive Practice Test
• A. Fist
• B. Head
• C. Foot
• D. Hand (open)
Answer: A. Fist
Rationale: The heart is about the size of a person's clenched fist. This is a standard
anatomical comparison used to help visualize the organ's size.
Question 3
The outermost layer of the heart wall, also known as the visceral layer of the
serous pericardium, is the:
• A. Myocardium
• B. Endocardium
• C. Epicardium
• D. Pericardial cavity
Answer: C. Epicardium
Rationale: The epicardium is the thin, outermost layer of the heart wall and is also the
visceral layer of the serous pericardium. The myocardium is the thick muscular middle
layer, and the endocardium is the innermost layer lining the chambers.
, OHIO BIO 2300 / STNA Comprehensive Practice Test
Question 4
When taking a resident's radial pulse, where should the nursing assistant place
their fingers?
• A. On the side of the neck
• B. On the inside of the wrist, below the thumb
• C. On the inside of the elbow
• D. On the top of the foot
Answer: B. On the inside of the wrist, below the thumb
Rationale: The radial pulse is located on the lateral aspect of the wrist, just below the
thumb. The carotid pulse is on the neck (A), the brachial pulse is at the elbow (C), and
the dorsalis pedis pulse is on the top of the foot (D).
Question 5
Which of the following is NOT a characteristic of life?
• A. Responsiveness
• B. Reproduction
• C. Crystallization
• D. Growth
Answer: C. Crystallization
Rationale: Characteristics of life include responsiveness, conductivity, growth,
circulation, respiration, reproduction, digestion, secretion, and excretion. Crystallization
is a physical, non-living process.
