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HESI A2 Anatomy & Physiology 2026
1. What is erythropoiesis and where does it occur?
A. The formation of red blood cells; Heart
B. The formation of white blood cells; Spleen
C. The formation of bile; Liver
D. The formation of red blood cells; Red bone marrow
D. The formation of red blood cells; Red bone marrow
Explanation- Erythropoiesis is the production of red blood cells. In the early development
of a fetus, erythropoiesis takes place in the yolk sac, spleen, and liver. However, after
birth, all erythropoiesis occurs in the bone marrow.
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2. Which of the following male reproductive organs is also a part of the
urinary system?
A. Epidiymis
B. Vas deferens
C. Urethra
D. Ureter
C. Urethra
Explanation- In males, the urethra is the tube through which urine is voided. It is also the
tube that semen flows through during sexual activity. Therefore, it is part of both the
urinary and reproductive systems in males.
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3. The shoulder is an example of which type of synovial joint?
A. Ball-and-socket
B. Pivot
C. Saddle
D. Hinge
A. Ball-and-socket
4. What is the function of endocrine glands?
A. They secrete products directly into a duct that carries the products to where they are
needed.
B. They transmit nerve impulses between parts of the body.
C. They secrete hormones directly into the blood.
D. They are a group of cells that respond to specific hormones.
C. They secrete hormones directly into the blood.