the anatomical term that indicates a structure close to the surface is
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ATI Anatomy and Physiology Online Practice

1. The anatomical term that indicates a structure close to the surface is

Correct answer: C

Rationale: The correct answer is 'superficial.' In anatomy, the term 'superficial' refers to a structure that is close to the surface of the body. Choice A, 'anterior,' refers to the front of the body, not specifically to depth. Choice B, 'proximal,' refers to a structure that is closer to the point of attachment or trunk of the body. Choice D, 'superior,' indicates a structure that is above or higher in position.

2. The recent discovery of taste receptors that detect sweetness in the small intestine illustrates that

Correct answer: B

Rationale: The recent discovery of taste receptors in the small intestine illustrates that new discoveries about anatomy and physiology are still being made. This finding demonstrates that our understanding of the human body is continuously evolving. Choice A is incorrect because the discovery does not imply that chemical responses occur in only one part of the body but rather showcases a specific new discovery. Choice C is incorrect as it is highly improbable that everything about anatomy and physiology has been discovered given the complexity of the human body. Choice D is incorrect as while the molecular and cellular level is important in anatomy and physiology, the primary focus of this discovery is on the new findings about the taste receptors in the small intestine.

3. Which of the following is not part of the female reproductive system?

Correct answer: D

Rationale: The bulbourethral gland is not part of the female reproductive system. This gland is part of the male reproductive system and is responsible for producing a clear fluid that helps in lubrication during sexual activity. Choices A, B, and C are part of the female reproductive system. The uterus is where a fertilized egg implants and develops into a fetus. The uterine tube (fallopian tube) transports eggs from the ovary to the uterus. The vulva includes the external genital organs of the female.

4. In a normally functioning cardiovascular system, where does the heartbeat originate?

Correct answer: D

Rationale: The correct answer is the Sinoatrial (SA) node. The SA node is known as the natural pacemaker of the heart as it initiates the electrical impulses responsible for the heartbeat. The other choices, such as the Atrioventricular (AV) nodes, Bundle of His, and Purkinje fibers, are involved in conducting the electrical signals generated by the SA node to coordinate the heart's contractions. Therefore, they do not serve as the primary origin of the heartbeat.

5. Which of the following is a result of stimulation of the sympathetic nervous system?

Correct answer: B

Rationale: Stimulation of the sympathetic nervous system leads to an increase in cardiac output. When the sympathetic nervous system is activated, it causes the heart to beat faster and with more force, leading to an increased cardiac output. Choices A, C, and D are incorrect because the sympathetic nervous system does not cause decreased blood flow to the skeletal muscles, decreased respiratory rate, or increased urinary output.

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