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Nursing Elites

ATI TEAS 7

Anatomy

1. Which type of joint allows for the widest range of motion, like the shoulder joint?

Correct answer: B

Rationale: The correct answer is B: Ball-and-socket joint. A ball-and-socket joint, like the shoulder joint, allows for the widest range of motion in all directions, including flexion, extension, abduction, adduction, and rotation. This type of joint consists of a rounded, ball-like end of one bone fitting into a cup-like socket of another bone, providing great mobility and flexibility. Hinge joints, like the elbow, only allow movement in one plane (like a door hinge), gliding joints permit limited sliding movements between bones, and fixed joints, such as those in the skull, have no movement at all.

2. What is the molar mass of Ca(NO3)2?

Correct answer: b

Rationale: Calculate the molar mass: Ca(40.08) + 2N(14.01) + 6O(16.00) = 132.1 g/mol.

3. Which term describes the ability of a muscle to return to its original length and shape after being stretched or contracted?

Correct answer: b

Rationale: The correct answer is B: "Elasticity." Elasticity is the term that describes the ability of a muscle to return to its original length and shape after being stretched or contracted. Contractility refers to the muscle's ability to contract forcefully, extensibility is the ability of a muscle to be stretched without being damaged, and excitability is the ability of a muscle to respond to stimuli. In this context, elasticity specifically pertains to the muscle's ability to bounce back to its original form, making it the most appropriate term in relation to the question.

4. Which type of tissue is characterized by tightly packed cells with minimal extracellular matrix and provides structural support and protection?

Correct answer: B

Rationale: The correct answer is B: Connective tissue. Connective tissue is characterized by tightly packed cells with minimal extracellular matrix, which provides structural support and protection. Epithelial tissue, while also tightly packed, is specialized for lining and covering surfaces. Muscle tissue is composed of cells with contractile properties for movement, and nervous tissue is made up of neurons for transmitting electrical signals. Therefore, connective tissue best fits the description of being densely packed with cells and serving a structural support and protective function.

5. A solution is 60% alcohol. If 200ml of the solution are used, how much pure alcohol is present?

Correct answer: C

Rationale: Multiply the total solution volume (200ml) by the alcohol percentage (60%)

6. Which word in the sentence "The quick brown fox jumps over the lazy dog" demonstrates alliteration?

Correct answer: A

Rationale: Alliteration is the repetition of the first consonant sound of words close together. In this case, "quick" and "brown" both start with the "k" sound.

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