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Nursing Elites

ATI TEAS 7

anatomy

1. Which part of the neuron receives incoming signals from other neurons and conducts them toward the cell body?

Correct answer: b

Rationale: The correct answer is B: Dendrite. Dendrites are the part of the neuron that receive incoming signals from other neurons and conduct them toward the cell body. They play a crucial role in communication between neurons by receiving neurotransmitters released from neighboring neurons. Axons transmit signals away from the cell body, synapses are the junctions where neurons communicate with each other, and myelin sheath is a fatty insulation that surrounds and protects axons. Therefore, in this scenario, dendrites are specifically responsible for receiving and conducting incoming signals towards the cell body.

2. Which of the following is NOT a common site for lymph nodes?

Correct answer: D

Rationale: The correct answer is D: 'Liver.' Lymph nodes are small, bean-shaped structures that are part of the lymphatic system. They are commonly found in areas such as the groin, armpit, and neck, where they help filter and trap harmful substances. The liver, while an important organ in the body, does not typically contain lymph nodes. Therefore, it is not a common site for lymph nodes. Understanding the locations of lymph nodes in the body is important for identifying potential sources of infection or cancer when assessing patients.

3. Which organelle is responsible for the final stages of protein modification and packaging for secretion in animal cells?

Correct answer: D

Rationale: The Golgi apparatus is responsible for the final stages of protein modification and packaging for secretion in animal cells. After proteins are synthesized in the rough endoplasmic reticulum (RER) and modified in the Golgi apparatus, they are packaged into vesicles for secretion. The smooth endoplasmic reticulum (SER) is involved in lipid and carbohydrate metabolism, while ribosomes are responsible for protein synthesis on the RER. Therefore, the Golgi apparatus is the correct organelle for the final processing and packaging of proteins for secretion in animal cells.

4. A birthday party hat has a cone-shaped top with a radius of 5cm and a height of 12cm. What is its volume?

Correct answer: C

Rationale: Use the formula for volume of a cone: (1/3) * π * (radius)^2 * height. Substitute the values: (1/3) * π * (5cm)^2 * 12cm ≈ 150 cu cm.

5. What is the scientific name for the kneecap?

Correct answer: A

Rationale: The patella, commonly known as the kneecap, is a small, flat, triangular bone that sits at the front of the knee joint. It protects the joint from impact and helps to transmit force from the quadriceps muscle to the tibia (shinbone).

6. An object is moving in a circle at constant speed. Is there a net force acting on it?

Correct answer: A

Rationale: Even though the speed is constant, the direction is constantly changing, requiring a centripetal force to keep the object moving in a circle.

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