which of the following bones is part of the axial skeleton
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Nursing Elites

ATI TEAS 7

TEAS Practice Test Science

1. Which of the following bones is part of the axial skeleton?

Correct answer: C

Rationale: The correct answer is C: Skull. The axial skeleton consists of bones along the body's central axis, including the skull, vertebral column, ribs, and sternum. Choices A, B, and D are incorrect because the femur, humerus, and pelvis are part of the appendicular skeleton, which comprises the bones of the limbs and girdles.

2. Which type of capillary is the most permeable?

Correct answer: B

Rationale: Sinusoidal capillaries are indeed the most permeable type. They are characterized by large gaps between endothelial cells, allowing for the passage of large molecules and cells. These capillaries are commonly found in organs like the liver, bone marrow, and spleen where high permeability is required for specialized functions such as filtration and exchange of substances. Continuous capillaries have tight junctions and are the least permeable, found in muscles, lungs, and the central nervous system where strict control over permeability is needed. Fenestrated capillaries, on the other hand, have small pores or fenestrations and are intermediate in permeability, found in organs like the kidneys, endocrine glands, and intestines where selective permeability is necessary. Vascular capillaries is not a specific type of capillary and is not a valid choice.

3. When animals eat, insulin is released from the pancreas, stimulating glucose uptake by the liver. When glucose levels drop, the pancreas reduces insulin release. This is an example of which mechanism for maintaining homeostasis?

Correct answer: A

Rationale: This mechanism is an example of negative feedback. Negative feedback systems work to counteract changes in the body and maintain a stable internal environment (homeostasis). In this case, the release of insulin in response to high glucose levels is followed by a reduction in insulin release when glucose levels drop. This response helps regulate glucose levels and return them to a normal range, demonstrating the characteristic of negative feedback where the body's response opposes the initial stimulus to maintain equilibrium. Positive feedback would amplify the initial change rather than counteract it, so it is not the correct choice. Stress response and parasympathetic regulation are not directly involved in this glucose regulation process, making them incorrect choices.

4. What is the purpose of the use of repetition in the following passage?

Correct answer: D

Rationale: The repetition in the passage, especially the reiteration of Mr. Utterson's struggle and the continuous digging at the problem, serves to emphasize Mr. Utterson's internal turmoil and anguish. It highlights his failure to identify Hyde's whereabouts and his increasing obsession with the mystery. Choice A is incorrect because the repetition does not primarily reflect Mr. Lanyon's mental state but focuses on Mr. Utterson's dilemma. Choice B is incorrect as the repetition does not directly relate to the church bells but to Mr. Utterson's persistent contemplation. Choice C is incorrect as the repetition does not specifically mirror Mr. Utterson's ambivalence but rather his distress and preoccupation with the problem.

5. What is the primary organ responsible for filtering urine?

Correct answer: A

Rationale: The correct answer is A: Kidneys. The kidneys are the primary organs responsible for filtering urine. They filter waste products and excess substances from the blood to produce urine. Subsequently, urine travels from the kidneys through the ureters to the bladder. The bladder temporarily stores urine until it is expelled from the body through the urethra. The bladder's function is storage, the ureters transport urine, and the urethra is the exit pathway for urine expulsion. Therefore, the kidneys play a vital role in the filtration and production of urine within the urinary system.

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