what hormones are produced in the ovaries and what do they do
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ATI TEAS 7

ATI TEAS Science Practice Test

1. What hormones are produced in the ovaries, and what are their functions?

Correct answer: B

Rationale: The correct answer is B. Progesterone, produced in the ovaries, stimulates uterine lining growth and plays a crucial role in regulating the menstrual cycle. Insulin is produced in the pancreas to regulate blood sugar levels, not in the ovaries. Adrenaline is produced by the adrenal glands and increases heart rate in response to stress or danger, not in the ovaries. Cortisol, also produced by the adrenal glands, helps regulate the body's response to stress, not in the ovaries.

2. What type of immunity is acquired through vaccination?

Correct answer: C

Rationale: The correct answer is C, Active artificial immunity. Vaccination introduces a weakened or inactive form of the pathogen to stimulate the immune system, leading to the development of immunity. Active artificial immunity is the result of deliberate exposure to an antigen, such as through vaccination, to produce an immune response. Passive immunity, like receiving pre-formed antibodies, does not involve the immune system's activation. Natural immunity is typically acquired through exposure to the pathogen itself, not through vaccination.

3. What is correct about the hormones that stimulate male and female organs to produce male and female sex hormones?

Correct answer: C

Rationale: The correct answer is C. The same hormones stimulate both male and female organs to produce sex hormones. Hormones such as luteinizing hormone (LH) and follicle-stimulating hormone (FSH) are produced by the pituitary gland and act on the ovaries in females and the testes in males to stimulate the production of sex hormones (estrogen and progesterone in females, testosterone in males). Therefore, the same hormones stimulate both male and female organs to produce sex hormones. Choices A, B, and D are incorrect because they do not accurately describe the relationship between hormones and the stimulation of male and female organs to produce sex hormones.

4. Which factor most significantly affects the kinetic energy of an object?

Correct answer: B

Rationale: Kinetic energy is directly proportional to the square of an object's velocity. This means that changes in velocity have a greater impact on the kinetic energy of an object compared to changes in mass, displacement, or potential energy. The mass of an object affects its kinetic energy, but the effect is linear, not squared like velocity. Displacement does not directly affect kinetic energy, as it is a measure of the change in position, not related to motion. Potential energy is a different form of energy and is not directly related to the kinetic energy of an object. Therefore, the velocity of an object has the most significant effect on its kinetic energy.

5. Where does fertilization, the fusion of sperm and egg, typically occur in the human body?

Correct answer: C

Rationale: Fertilization typically occurs in the fallopian tube. This is where the sperm and egg meet and fuse to form a zygote. The fallopian tube provides the optimal environment for fertilization as it helps in the transportation of the egg and provides a suitable site for fertilization before the resulting embryo travels to the uterus for implantation. Choices A, B, and D are incorrect. The ovary is where eggs are produced, the uterus is where the fertilized egg implants and develops into a fetus, and the vagina is the canal that leads to the cervix, but fertilization itself does not occur in these locations.

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