testosterone is a crucial hormone in the male reproductive system what is its primary function
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ATI TEAS 7

TEAS version 7 quizlet science

1. Testosterone is a crucial hormone in the male reproductive system. What is its primary function?

Correct answer: B

Rationale: Testosterone is a hormone primarily produced in the testes of males and is responsible for the development of male reproductive tissues, including the testes and prostate. Its primary function is the production and maturation of sperm cells, as well as the development of secondary sexual characteristics in males. Choice A, 'Egg production,' is incorrect as testosterone is not involved in the production of eggs. Choice C, 'Regulation of the menstrual cycle,' is incorrect because testosterone is not responsible for regulating the menstrual cycle, which is primarily governed by female hormones. Choice D, 'Milk production,' is incorrect as testosterone does not play a role in milk production, which is associated with other hormones like prolactin in females.

2. What is the primary function of the nervous system?

Correct answer: B

Rationale: The correct answer is B: To transmit electrical impulses. The primary function of the nervous system is to transmit electrical impulses and coordinate body activities. While hormones are produced by the endocrine system, not the nervous system, oxygen transportation is mainly carried out by the respiratory system, and nutrient transport is primarily the role of the circulatory system. Therefore, choices A, C, and D are incorrect as they do not align with the primary function of the nervous system.

3. Which of the following is responsible for producing antibodies?

Correct answer: B

Rationale: White blood cells are responsible for producing antibodies. Antibodies are essential components of the immune system that help the body combat infections by identifying and neutralizing harmful pathogens. Red blood cells are primarily responsible for carrying oxygen, platelets are involved in blood clotting, and plasma is the liquid component of blood that carries nutrients and hormones.

4. Which part of the brain generates the rhythmic electrical activity responsible for brain waves?

Correct answer: D

Rationale: The reticular formation is a network of neurons located in the brainstem that plays a crucial role in regulating arousal and consciousness. It generates the rhythmic electrical activity responsible for brain waves, which are measured using electroencephalography (EEG). The cerebrum, thalamus, and hypothalamus do not primarily generate brain waves; they have other specialized functions within the brain. The cerebrum is responsible for higher brain functions such as thinking and voluntary movements. The thalamus acts as a relay station for sensory information. The hypothalamus is involved in various functions such as regulating body temperature, hunger, and hormonal activities.

5. A substance is only considered acidic if it has a pH less than what?

Correct answer: C

Rationale: A substance is considered acidic if its pH is less than 7. pH values below 7 indicate acidity, while pH values above 7 indicate alkalinity or basicity. Substances with a pH less than 7 are categorized as acidic, not above it. Therefore, a substance is classified as acidic if its pH is less than 7, making choice C the correct answer. Choices A, B, and D are incorrect because a pH of 12, 9, and 4, respectively, are all above 7, and therefore not indicative of acidity.

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