ATI TEAS 7
ATI TEAS Science Questions Questions
Question 1 of 5
Which of the following is a special property of water?
Correct Answer: C
Rationale: Water is highly cohesive, meaning it is attracted to itself due to its hydrogen bonding properties. This cohesion is the reason why water has a high melting point compared to other liquids of similar molecular weight. It is crucial for the existence of life on Earth as it allows water to remain a liquid within a wide range of temperatures, providing a stable environment for biological processes to occur. Choices A, B, and D are incorrect. Water's cohesive property does not directly relate to its ability to flow through phospholipid bilayers, assist fish in breathing, or self-hydrolyze into hydrogen and oxygen.
Question 2 of 5
If a patient had a heart attack and tissue in the left ventricle lost blood flow, what would you most expect to happen?
Correct Answer: C
Rationale: The correct answer is C: 'Blood would not be pumped to the body.' When tissue in the left ventricle loses blood flow due to a heart attack, the ability of the left ventricle to pump oxygenated blood to the body is compromised. This can lead to serious consequences for the patient's overall health and organ function. Choices A, B, and D are incorrect because a heart attack affecting the left ventricle does not directly impact blood flow from the lungs, cause blood to back up in the legs, or prevent blood from being oxygenated. The primary concern is the compromised ability of the left ventricle to pump blood to the rest of the body, affecting overall circulation and organ perfusion.
Question 3 of 5
What is the role of hemoglobin in red blood cells?
Correct Answer: B
Rationale: Hemoglobin in red blood cells functions to carry oxygen from the lungs to tissues in the body. It binds to oxygen in the lungs and releases it to the body's cells, ensuring they have an adequate oxygen supply for metabolic processes. Choice A is incorrect because hemoglobin primarily carries oxygen, not carbon dioxide. Choice C is incorrect because hemoglobin's role is not related to blood pressure regulation. Choice D is incorrect because hemoglobin is not involved in the production of white blood cells.
Question 4 of 5
Which organ in the human body is responsible for filtering blood and producing urine?
Correct Answer: B
Rationale: The correct answer is B: Kidneys. The kidneys are vital organs in the human body responsible for filtering blood to remove waste products and excess substances, producing urine as a result. The liver plays a role in detoxification and metabolism. The pancreas is involved in digestion and blood sugar regulation. The heart pumps blood throughout the body but does not filter blood or produce urine.
Question 5 of 5
What are the components of the male internal genitalia and their functions?
Correct Answer: B
Rationale: The testes play a crucial role in male reproduction by producing sperm and testosterone. Sperm production is essential for fertility, while testosterone is responsible for the development of secondary sexual characteristics. The epididymis functions to store and mature sperm, allowing them to become motile. The prostate gland, not listed among the choices, secretes fluid that nourishes and protects sperm. The urethra serves the purpose of conducting both urine and semen out of the body, enabling the excretion of waste and reproductive fluids.
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