Comprehensive NCLEX-RN Exam Practice:
Verified Test Versions from 2023-2024,
Accurate Answers, Next Gen Format, and
Guaranteed Pass
Which vitamin is primarily involved in blood clotting?
• A) Vitamin A
• B) Vitamin C
• C) Vitamin K
D) Vitamin E
Correct Answer: C) Vitamin K
Rationale: Vitamin K is essential for the synthesis of proteins required for blood
coagulation.
What is the primary function of insulin?
• A) Increase blood sugar levels
• B) Decrease blood sugar levels
• C) Promote fat storage
D) Increase metabolism
Correct Answer: B) Decrease blood sugar levels
Rationale: Insulin lowers blood sugar by facilitating the uptake of glucose into cells.
Which condition is characterized by low levels of hemoglobin?
• A) Hypertension
• B) Anemia
• C) Leukemia
D) Hemophilia
Correct Answer: B) Anemia
Rationale: Anemia is defined by a deficiency in hemoglobin, leading to reduced oxygen
transport.
What is the most common symptom of a stroke?
, • A) Headache
• B) Sudden weakness or numbness
• C) Dizziness
D) Vision problems
Correct Answer: B) Sudden weakness or numbness
Rationale: Strokes often present with sudden weakness or numbness, particularly on
one side of the body.
Which of the following is a common complication of diabetes?
• A) Osteoporosis
• B) Retinopathy
• C) Hypertension
D) Asthma
Correct Answer: B) Retinopathy
Rationale: Diabetic retinopathy is a common complication affecting the eyes in diabetics.
Which organ is primarily affected by hepatitis?
• A) Heart
• B) Liver
• C) Kidney
D) Pancreas
Correct Answer: B) Liver
Rationale: Hepatitis refers to inflammation of the liver, often caused by viral infections.
What is the recommended daily intake of fiber for adults?
• A) 10 grams
• B) 25-30 grams
• C) 50 grams
D) 5 grams
Correct Answer: B) 25-30 grams
Rationale: Adults should aim for 25-30 grams of fiber daily for optimal health.
Which nutrient is important for thyroid function?
• A) Iron
, • B) Iodine
• C) Calcium
D) Zinc
Correct Answer: B) Iodine
Rationale: Iodine is crucial for the production of thyroid hormones.
What is a common sign of dehydration?
• A) Increased appetite
• B) Dry skin
• C) Frequent urination
D) Clear urine
Correct Answer: B) Dry skin
Rationale: Dehydration often leads to dry skin as the body loses fluids.
Which medication is commonly used to treat high blood pressure?
• A) Insulin
• B) Metformin
C) Lisinopril
D) Simvastatin
Correct Answer: C) Lisinopril
Rationale: Lisinopril is an ACE inhibitor used to manage high blood pressure.
What is the primary source of energy for the brain?
• A) Proteins
• B) Fats
• C) Glucose
D) Vitamins
Correct Answer: C) Glucose
Rationale: The brain primarily relies on glucose as its main energy source.
Which of the following conditions is linked to high cholesterol levels?
• A) Osteoarthritis
• B) Cardiovascular disease
• C) Diabetes
, D) Asthma
Correct Answer: B) Cardiovascular disease
Rationale: High cholesterol levels increase the risk of cardiovascular diseases.
Which test is used to assess kidney function?
• A) Complete blood count
• B) Serum creatinine test
• C) Lipid panel
D) Blood glucose test
Correct Answer: B) Serum creatinine test
Rationale: Serum creatinine levels help evaluate kidney function.
What is the most common cause of heart failure?
• A) Kidney disease
• B) Coronary artery disease
• C) Lung disease
D) Diabetes
Correct Answer: B) Coronary artery disease
Rationale: Coronary artery disease is the leading cause of heart failure.
What is a potential side effect of long-term steroid use?
• A) Weight loss
• B) Osteoporosis
• C) Increased muscle mass
D) Improved immune function
Correct Answer: B) Osteoporosis
Rationale: Long-term steroid use can lead to bone density loss and increase the risk of
osteoporosis.
What is the primary treatment for a severe allergic reaction?
• A) Antihistamines
• B) Corticosteroids
• C) Epinephrine
Verified Test Versions from 2023-2024,
Accurate Answers, Next Gen Format, and
Guaranteed Pass
Which vitamin is primarily involved in blood clotting?
• A) Vitamin A
• B) Vitamin C
• C) Vitamin K
D) Vitamin E
Correct Answer: C) Vitamin K
Rationale: Vitamin K is essential for the synthesis of proteins required for blood
coagulation.
What is the primary function of insulin?
• A) Increase blood sugar levels
• B) Decrease blood sugar levels
• C) Promote fat storage
D) Increase metabolism
Correct Answer: B) Decrease blood sugar levels
Rationale: Insulin lowers blood sugar by facilitating the uptake of glucose into cells.
Which condition is characterized by low levels of hemoglobin?
• A) Hypertension
• B) Anemia
• C) Leukemia
D) Hemophilia
Correct Answer: B) Anemia
Rationale: Anemia is defined by a deficiency in hemoglobin, leading to reduced oxygen
transport.
What is the most common symptom of a stroke?
, • A) Headache
• B) Sudden weakness or numbness
• C) Dizziness
D) Vision problems
Correct Answer: B) Sudden weakness or numbness
Rationale: Strokes often present with sudden weakness or numbness, particularly on
one side of the body.
Which of the following is a common complication of diabetes?
• A) Osteoporosis
• B) Retinopathy
• C) Hypertension
D) Asthma
Correct Answer: B) Retinopathy
Rationale: Diabetic retinopathy is a common complication affecting the eyes in diabetics.
Which organ is primarily affected by hepatitis?
• A) Heart
• B) Liver
• C) Kidney
D) Pancreas
Correct Answer: B) Liver
Rationale: Hepatitis refers to inflammation of the liver, often caused by viral infections.
What is the recommended daily intake of fiber for adults?
• A) 10 grams
• B) 25-30 grams
• C) 50 grams
D) 5 grams
Correct Answer: B) 25-30 grams
Rationale: Adults should aim for 25-30 grams of fiber daily for optimal health.
Which nutrient is important for thyroid function?
• A) Iron
, • B) Iodine
• C) Calcium
D) Zinc
Correct Answer: B) Iodine
Rationale: Iodine is crucial for the production of thyroid hormones.
What is a common sign of dehydration?
• A) Increased appetite
• B) Dry skin
• C) Frequent urination
D) Clear urine
Correct Answer: B) Dry skin
Rationale: Dehydration often leads to dry skin as the body loses fluids.
Which medication is commonly used to treat high blood pressure?
• A) Insulin
• B) Metformin
C) Lisinopril
D) Simvastatin
Correct Answer: C) Lisinopril
Rationale: Lisinopril is an ACE inhibitor used to manage high blood pressure.
What is the primary source of energy for the brain?
• A) Proteins
• B) Fats
• C) Glucose
D) Vitamins
Correct Answer: C) Glucose
Rationale: The brain primarily relies on glucose as its main energy source.
Which of the following conditions is linked to high cholesterol levels?
• A) Osteoarthritis
• B) Cardiovascular disease
• C) Diabetes
, D) Asthma
Correct Answer: B) Cardiovascular disease
Rationale: High cholesterol levels increase the risk of cardiovascular diseases.
Which test is used to assess kidney function?
• A) Complete blood count
• B) Serum creatinine test
• C) Lipid panel
D) Blood glucose test
Correct Answer: B) Serum creatinine test
Rationale: Serum creatinine levels help evaluate kidney function.
What is the most common cause of heart failure?
• A) Kidney disease
• B) Coronary artery disease
• C) Lung disease
D) Diabetes
Correct Answer: B) Coronary artery disease
Rationale: Coronary artery disease is the leading cause of heart failure.
What is a potential side effect of long-term steroid use?
• A) Weight loss
• B) Osteoporosis
• C) Increased muscle mass
D) Improved immune function
Correct Answer: B) Osteoporosis
Rationale: Long-term steroid use can lead to bone density loss and increase the risk of
osteoporosis.
What is the primary treatment for a severe allergic reaction?
• A) Antihistamines
• B) Corticosteroids
• C) Epinephrine
