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Nursing Elites

ATI TEAS 7

Anatomy

1. The hormone responsible for milk production in the breasts after childbirth is:

Correct answer: B

Rationale: The correct answer is B: Prolactin. Prolactin is the hormone responsible for milk production in the breasts after childbirth. It is produced by the pituitary gland and stimulates the alveoli in the breasts to produce milk. Estrogen plays a role in breast development during pregnancy but is not responsible for milk production. Oxytocin is responsible for the ejection of milk from the breasts during breastfeeding. Relaxin is a hormone that helps prepare the body for childbirth by relaxing the ligaments in the pelvis. Therefore, the hormone directly responsible for milk production after childbirth is prolactin.

2. A balanced chemical equation for the reaction between sodium and chlorine to form sodium chloride is:

Correct answer: A

Rationale: The correct balanced chemical equation for the reaction between sodium and chlorine to form sodium chloride is '2Na + Cl2 -> 2NaCl'. This equation is balanced as it shows that 2 atoms of sodium react with 1 molecule of chlorine gas to produce 2 molecules of sodium chloride. Option A 'Na + Cl2 -> NaCl' is incorrect as it does not balance the number of atoms on both sides of the equation. It only shows 1 atom of sodium reacting with 1 molecule of chlorine, which is not a balanced representation of the chemical reaction. Therefore, option B is the correct choice for this question.

3. The major site for nutrient absorption in the digestive system is the:

Correct answer: C

Rationale: The correct answer is C: Small intestine. The small intestine is the major site for nutrient absorption in the digestive system. It is where most of the digestion and absorption of nutrients from food takes place. The small intestine has villi and microvilli that increase its surface area, allowing for efficient absorption of nutrients like sugars, amino acids, and fatty acids into the bloodstream. The mouth is primarily responsible for mechanical digestion through chewing, while the stomach's main function is to break down food with enzymes and acids. The large intestine mainly absorbs water and electrolytes, with minimal nutrient absorption.

4. She knows that performance appraisal consists of all the following activities EXCEPT:

Correct answer: D

Rationale: The correct answer is D: 'Focusing activity on the correction of identified behavior.' Performance appraisal is a process that involves setting specific standards and activities for individual performance, using agency standards as a guide, and determining areas of strengths and weaknesses. While performance appraisal may identify areas for improvement, its primary focus is not solely on correcting behavior. Instead, it is a holistic evaluation of an individual's performance in various aspects. Therefore, option D is the exception among the activities associated with performance appraisal.

5. Hair follicles are openings in the skin that house

Correct answer: C

Rationale: Hair follicles are structures in the skin that house both the hair shaft and the hair root. The hair shaft is the visible part of the hair that extends from the skin's surface, while the hair root is the part embedded within the hair follicle and extends into the deeper layers of the skin. The sebaceous glands, which produce sebum (an oily substance), are typically attached to hair follicles and help lubricate and protect the hair and skin. Blood vessels and nerve endings are present in the skin but are not housed within the hair follicles themselves. Therefore, the correct answer is C, as hair follicles contain both the hair shaft and hair root.

6. The muscular tube that transports sperm from the testes to the urethra is called the:

Correct answer: B

Rationale: The correct answer is B: Vas deferens. The vas deferens is a muscular tube that carries sperm from the testes to the urethra. It is an essential part of the male reproductive system, allowing for the transport of sperm for ejaculation. The epididymis is a coiled tube where sperm mature and are stored, not where they are transported to the urethra. The seminal vesicle and Cowper's gland are accessory glands that contribute fluids to semen but are not part of the direct pathway for sperm transport.

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