ATI TEAS 7
anatomy
1. Which part of the neuron receives incoming signals from other neurons and conducts them toward the cell body?
- A. Axon
- B. Dendrite
- C. Synapse
- D. Myelin sheath
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. What is the muscular sac in the female body that nourishes and protects a developing fetus?
- A. Ovary
- B. Fallopian tube
- C. Uterus
- D. Vagina
Correct answer: C
Rationale: The correct answer is C: Uterus. The uterus is a muscular sac in the female body where a fertilized egg implants and develops into a fetus during pregnancy. It provides nourishment to the developing fetus and protects it throughout gestation. The ovaries produce eggs, the fallopian tubes transport eggs from the ovaries to the uterus, and the vagina is the canal leading from the uterus to the outside of the body. Therefore, the uterus is the specific organ responsible for nourishing and protecting a developing fetus in the female body.
3. Identify the type of clause in the sentence "When the clock struck midnight, the magic began."
- A. Main clause
- B. Subordinate clause
- C. Appositive clause
- D. Noun clause
Correct answer: B
Rationale: The "when" clause introduces additional information about the main sentence and acts as a subordinate clause.
4. Which of the following joints allows for side-to-side bending movements?
- A. Hinge joint
- B. Ball-and-socket joint
- C. Gliding joint
- D. Saddle joint
Correct answer: C
Rationale: The correct answer is C: Gliding joint. Gliding joints are found where the bones meet and allow for limited side-to-side and back-and-forth movements. These joints have flat or slightly curved surfaces that glide against each other, enabling smooth motion in multiple directions. Hinge joints (A) allow for movement in one plane like a door hinge, ball-and-socket joints (B) allow for a wide range of motion in multiple directions, and saddle joints (D) allow for back-and-forth and side-to-side movements but are primarily designed for flexion and extension like the joint at the base of the thumb.
5. Which property of a wave remains constant when the wave enters a different medium?
- A. Frequency
- B. Wavelength
- C. Amplitude
- D. Speed
Correct answer: d
Rationale: The speed of a wave remains constant when it enters a different medium, provided the conditions are unchanged.
6. A book slides across a table. What determines the magnitude of the frictional force acting on the book?
- A. Only the mass of the book
- B. Only the normal force from the table
- C. Both the mass of the book and the normal force from the table
- D. Neither the mass of the book nor the normal force from the table
Correct answer: C
Rationale: Both the mass of the book and the normal force from the table. Friction is proportional to both the normal force and the coefficient of friction, which depends on the materials in contact. Since the normal force depends on the weight of the object (mass x gravity), both factors are important.
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