HESI A2
HESI A2 Anatomy and Physiology Quizlet 2024 Questions
Question 1 of 5
The spleen is part of which system?
Correct Answer: C
Rationale: The correct answer is C: lymphatic system. The spleen is a key organ in the lymphatic system, responsible for filtering blood, removing old or damaged red blood cells, and producing white blood cells. It plays a crucial role in the immune system. Incorrect choices: A: nervous system - The spleen is not part of the nervous system; it is not involved in transmitting nerve impulses. B: integumentary system - The spleen is not part of the integumentary system, which includes skin, hair, and nails. D: urinary system - The spleen is not part of the urinary system, which includes kidneys, ureters, bladder, and urethra.
Question 2 of 5
What is the function of amylase?
Correct Answer: A
Rationale: Amylase is an enzyme that specifically targets starch, breaking it down into simpler sugars like maltose. This process occurs in the mouth and small intestine, aiding in carbohydrate digestion. Amylase does not digest fat (choice B) or protein (choice C), which are broken down by lipase and protease enzymes, respectively. Amylase also does not directly absorb water (choice D), as its main role is in starch digestion. Therefore, the correct answer is A, breaking down starch.
Question 3 of 5
Which organ system is primarily responsible for storing minerals?
Correct Answer: A
Rationale: The correct answer is A: The skeletal system. The skeletal system stores minerals, primarily calcium and phosphorus, in the bones. These minerals help maintain bone density and strength. The endocrine system (B) regulates hormone production, the lymphatic system (C) helps with immune function, and the cardiovascular system (D) transports nutrients and oxygen. However, the primary function of storing minerals is carried out by the skeletal system due to its composition of bones.
Question 4 of 5
The orthopedic surgeon informs you that you have broken the middle region of the humerus. What area is he describing?
Correct Answer: D
Rationale: The correct answer is D: Diaphysis. The diaphysis refers to the middle region of a long bone, such as the humerus. In this case, the orthopedic surgeon is describing the part of the bone where the break has occurred. The other choices are incorrect because: A: Epiphysis is the end of a long bone, not the middle region. B: Articular cartilage is the smooth, slippery surface covering the ends of bones in a joint, not the middle region. C: Perichondrium is the connective tissue surrounding cartilage, not the middle region.
Question 5 of 5
How does the endocrine system work with the reproductive system?
Correct Answer: D
Rationale: The correct answer is D because the endocrine system produces hormones that regulate sexual function in the reproductive system. These hormones control processes like puberty, menstrual cycles, sperm production, and ovulation. Choice A is incorrect as nutrient transformation is not a primary function of the reproductive system. Choice B is incorrect because the sex of the embryo is determined by genetic factors, not the endocrine system. Choice C is incorrect as the growth of secondary sex organs is mainly controlled by hormones produced by the endocrine system, not the reproductive system.
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