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Nursing Elites

ATI TEAS 7

Anatomy

1. The structural and functional unit of the kidney responsible for filtering blood is the:

Correct answer: A

Rationale: The correct answer is A, Nephron. The nephron is the structural and functional unit of the kidney responsible for filtering blood. It consists of the glomerulus, renal tubule, and collecting duct. The nephron's filtration process plays a crucial role in removing waste products, regulating electrolyte balance, and maintaining blood pressure. The other options, B: Ureter, C: Urethra, and D: Bladder, are not responsible for filtering blood. The ureter transports urine from the kidneys to the bladder, the urethra is responsible for urine excretion from the bladder, and the bladder stores urine before excretion. Therefore, the nephron is specifically designed for the filtration process within the kidney.

2. The longest bone in the human body is the:

Correct answer: C

Rationale: The correct answer is C: "Femur." The femur is the longest bone in the human body, located in the thigh region and connecting the hip to the knee. It plays a crucial role in supporting the body's weight and facilitating movement. The tibia and fibula are bones in the lower leg, while the humerus is a bone in the upper arm. Therefore, the femur is the correct answer for the longest bone in the human body.

3. What type of energy is stored in food?

Correct answer: c

Rationale: Food stores energy in the form of chemical potential energy, which can be released during metabolic processes.

4. Which of the following statements is NOT true about performance appraisal?

Correct answer: A

Rationale: Option A is the correct answer because informing staff about specific impressions of their work can be subjective and may not always lead to improvement. Performance appraisal should be based on objective criteria and feedback. Verbal appraisals can lack documentation and clarity, making a written report a more reliable form of evaluation. Patients may provide valuable input on staff interactions, but they may not have the full context to assess job performance comprehensively. The outcome of performance appraisal should involve both the staff and the appraiser, as it is a collaborative process to identify strengths and areas for development.

5. Which type of wave motion occurs when particles move perpendicular to the direction of wave propagation?

Correct answer: A

Rationale: Transverse waves are characterized by particles moving perpendicular to the direction of wave propagation. In these waves, the oscillations of the particles are perpendicular to the direction of energy transfer. Longitudinal waves, on the other hand, have particles that move parallel to the direction of wave propagation. Electromagnetic waves are a type of transverse wave that do not require a medium for propagation. Surface waves are a combination of both longitudinal and transverse motions and occur at the interface between two different mediums.

6. Newton's rings are a visual demonstration of:

Correct answer: D

Rationale: Newton's rings are a series of concentric colored rings observed when light is reflected between a spherical surface and a flat surface. This phenomenon is a result of thin-film interference, which occurs due to the varying thickness of the air gap between the surfaces. The interference of light waves results in constructive and destructive interference, leading to the formation of the rings. Diffraction, the bending of light around obstacles, is not the cause of Newton's rings. The Doppler effect involves the change in frequency of waves due to motion and is not relevant in this context. Polarization refers to the orientation of electromagnetic waves, which is not the primary factor in the formation of Newton's rings. Therefore, the correct answer is D: Thin-film interference.

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