ATI TEAS 7
ati teas 7 science Questions
Question 1 of 5
Which hormone is crucial for stimulating sperm production in males?
Correct Answer: C
Rationale: The correct answer is C: Testosterone. Testosterone is crucial for stimulating sperm production in males as it is the primary male sex hormone responsible for regulating the development of male reproductive tissues. It plays a key role in the production of sperm cells in the testes. Estrogen (A) and Progesterone (B) are female sex hormones and do not have a direct role in sperm production. Insulin (D) is a hormone that regulates blood sugar levels and is not involved in the process of sperm production.
Question 2 of 5
Which condition can lead to blood clots and stroke?
Correct Answer: D
Rationale: The correct answer is D: Hypertension. Hypertension, or high blood pressure, can lead to blood clots and stroke by causing damage to blood vessels and increasing the risk of clot formation. Elevated blood pressure can strain the blood vessel walls, making them more prone to damage and clot formation. This can lead to blockages in blood flow to the brain, causing a stroke. Aneurysm (A) is a weakened area in a blood vessel that can rupture but not necessarily cause blood clots. Arrhythmia (B) is an irregular heartbeat that can increase the risk of stroke but is not directly related to blood clot formation. Asthma (C) is a respiratory condition that does not directly cause blood clots or stroke.
Question 3 of 5
Through which structure do the kidneys reabsorb water, salts, and nutrients and return them to the body?
Correct Answer: C
Rationale: The correct answer is C: Nephron. The nephron is the functional unit of the kidney responsible for filtering blood and reabsorbing essential substances like water, salts, and nutrients back into the body. It consists of various components like the glomerulus, proximal tubule, loop of Henle, and distal tubule, each playing a specific role in the reabsorption process. The renal artery brings blood to the kidney for filtration by the nephron, while the renal vein carries filtered blood away from the kidney. The glomerulus is a part of the nephron responsible for initial filtration of blood. Thus, the nephron is the correct structure for reabsorption, making choices A, B, and D incorrect.
Question 4 of 5
Which group of antibiotics targets the cell wall of bacteria?
Correct Answer: A
Rationale: The correct answer is A: Penicillins. Penicillins target the cell wall of bacteria by inhibiting the synthesis of peptidoglycan, a crucial component of the bacterial cell wall. This disrupts the integrity of the cell wall, leading to bacterial cell lysis. Tetracyclines (B), Macrolides (C), and Fluoroquinolones (D) target different bacterial components like protein synthesis or DNA replication, making them incorrect choices for this question.
Question 5 of 5
Which of the following statements about fungi is FALSE?
Correct Answer: B
Rationale: The correct answer is B because not all fungi are parasitic and harmful to humans. Some fungi are beneficial, while others are neutral. A is correct as fungi can be unicellular or multicellular. C is true as fungi are crucial in breaking down organic matter. D is accurate as some fungi, such as mushrooms, are consumed as food. Overall, choice B is false because it wrongly generalizes all fungi as harmful, which is not the case.
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