HESI A2
HESI A2 Version 1 Anatomy and Physiology Questions
Question 1 of 5
What percentage of a female's blood volume is composed of red blood cells?
Correct Answer: C
Rationale: Approximately 40% of a female's blood volume is composed of red blood cells, a proportion known as hematocrit. This percentage may vary slightly based on factors like age and overall health. Red blood cells play a crucial role in oxygen transport throughout the body, and deviations from the normal range can indicate various medical conditions.
Question 2 of 5
Where in the human body are most nutrients absorbed?
Correct Answer: D
Rationale:
Question 3 of 5
Which structure of the eye picks up color?
Correct Answer: B
Rationale:
Question 4 of 5
What is the function of aldosterone?
Correct Answer: B
Rationale: Aldosterone is a hormone produced by the adrenal glands that plays a key role in regulating sodium and potassium levels in the body. Its primary function is to conserve sodium by increasing its reabsorption in the kidneys, which helps maintain electrolyte balance and blood pressure. Therefore, the correct answer is B.
Question 5 of 5
A professional boxer gets punched in the nose resulting in a deviated septum. Which bone is most likely to be involved?
Correct Answer: B
Rationale: