HESI A2
HESI A2 Anatomy and Physiology Practice Test 2023
1. Which fibrous connective tissue attaches muscles to bones?
- A. Tendons
- B. Ligaments
- C. Cartilage
- D. Fascia
Correct answer: A
Rationale: Tendons are fibrous connective tissues that attach muscles to bones, allowing the transmission of forces generated by muscles and facilitating movement at joints. Ligaments, on the other hand, connect bones to other bones, providing stability. Cartilage is a firm, flexible connective tissue found in joints and the respiratory tract. Fascia surrounds muscles, groups of muscles, blood vessels, and nerves, offering support and protection. Therefore, the correct answer is tendons as they specifically connect muscles to bones.
2. The spleen is part of which system?
- A. nervous system
- B. integumentary system
- C. lymphatic system
- D. urinary system
Correct answer: C
Rationale: The correct answer is C: lymphatic system. The spleen is a vital organ in the lymphatic system, responsible for filtering blood, producing and storing white blood cells, and aiding the body in fighting infections. The lymphatic system is crucial for maintaining the body's immune defenses and fluid balance. Choices A, B, and D are incorrect because the spleen is not part of the nervous system, integumentary system, or urinary system.
3. What is the primary function of the circulatory system?
- A. To produce hormones
- B. To transport oxygen and nutrients
- C. To fight infections
- D. To regulate body temperature
Correct answer: B
Rationale: The circulatory system's primary function is to transport oxygen, nutrients, and hormones to cells and remove waste products. Choice A is incorrect because hormone production is primarily carried out by endocrine glands. Choice C is incorrect as fighting infections is a role of the immune system. Choice D is incorrect as regulating body temperature is mainly controlled by the integumentary and nervous systems.
4. To which two systems does the urethra belong?
- A. Reproductive and endocrine
- B. Urinary and reproductive
- C. Endocrine and urinary
- D. Digestive and cardiovascular
Correct answer: B
Rationale: The urethra belongs to both the urinary and reproductive systems. In the urinary system, it functions as a passage for urine from the bladder to exit the body. In the reproductive system, it serves as a conduit for the expulsion of semen during ejaculation. Choice A is incorrect because the urethra is not part of the endocrine system. Choice C is also incorrect because the urethra is not primarily associated with the endocrine system. Choice D is incorrect as the urethra is not part of the digestive or cardiovascular systems.
5. Which is an anterior feature of the human head?
- A. The nose
- B. The ears
- C. The occipital lobe
- D. The temporal lobe
Correct answer: A
Rationale: The nose is an anterior feature of the human head, located in the frontal part of the face. It plays a vital role in the respiratory system by allowing air to enter and exit the body. Additionally, the nose contains olfactory receptors that enable the sense of smell. The ears, occipital lobe, and temporal lobe are not anterior features of the human head. The ears are located on the sides, the occipital lobe is at the back of the head, and the temporal lobe is on the sides and base of the cerebral cortex.
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