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Nursing Elites

ATI TEAS 7

physics

1. What property of a substance remains constant regardless of the amount of the substance present?

Correct answer: c

Rationale: Density remains constant for a specific substance regardless of the quantity present. It's the mass per unit volume and remains the same for a substance.

2. What is the muscular sac in the female body that nourishes and protects a developing fetus during pregnancy?

Correct answer: C

Rationale: The correct answer is C: Uterus. The uterus, also known as the womb, is a muscular sac in the female reproductive system where a fertilized egg implants and develops into a fetus during pregnancy. It provides nourishment, support, and protection to the developing fetus until birth. The ovaries produce eggs, the fallopian tubes transport eggs to the uterus, and the vagina is the birth canal and the organ of sexual intercourse, but the uterus is specifically responsible for nurturing and protecting the developing fetus.

3. A scientific theory is:

Correct answer: B

Rationale: Theories in science are constantly evolving and open to revision as new data emerges, unlike personal beliefs or fixed dogmas.

4. Which sentence uses the phrase "by the way" correctly?

Correct answer: C

Rationale: Option C introduces additional information that is not directly related to the previous sentence, making it a natural use of "by the way."

5. Which vitamin requires intrinsic factor from the stomach for proper absorption?

Correct answer: D

Rationale: The correct answer is D, Vitamin B12. Vitamin B12 requires intrinsic factor, a glycoprotein produced by the parietal cells in the stomach, for proper absorption in the small intestine. Intrinsic factor binds to B12 and facilitates its absorption in the ileum. Without intrinsic factor, the body cannot effectively absorb Vitamin B12, leading to deficiencies and various health issues. Vitamins A, C, and D do not require intrinsic factor for absorption and have different mechanisms for uptake and utilization within the body.

6. What is the involuntary process of emptying the bladder called?

Correct answer: B

Rationale: The correct answer is B: 'Micturition.' Micturition, also known as urination, is the involuntary process of emptying the bladder. During micturition, the bladder contracts while the sphincter muscles relax, allowing urine to be expelled from the body. Filtration (A) is the process of separating substances based on their size as they pass through a filter. Reabsorption (C) refers to the process of reclaiming substances from the filtrate in the renal tubules back into the bloodstream. Excretion (D) is the process of eliminating waste products from the body through urine, feces, sweat, or other means. Therefore, micturition is the specific term that describes the act of emptying the bladder involuntarily.

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