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Nursing Elites

ATI TEAS 7

Anatomy

1. The hypothalamus, a part of the brain, plays a crucial role in endocrine regulation. It secretes GnRH (Gonadotropin-releasing hormone) which stimulates the pituitary gland to produce FSH and LH. What is the MAIN function of FSH and LH?

Correct answer: B

Rationale: The correct answer is B: 'Control growth and development.' FSH (Follicle-stimulating hormone) and LH (Luteinizing hormone) are essential hormones produced by the pituitary gland in response to GnRH from the hypothalamus. FSH plays a key role in stimulating the growth and development of ovarian follicles in females and sperm production in males. LH triggers ovulation in females and stimulates the production of testosterone in males. These hormones are crucial for the reproductive system and play a major role in controlling growth and development during puberty and throughout adulthood. Therefore, the main function of FSH and LH is not to regulate blood sugar levels, stimulate the fight-or-flight response, or maintain calcium homeostasis, making options A, C, and D incorrect.

2. Which type of white blood cell directly attacks and destroys pathogens like bacteria and viruses?

Correct answer: A

Rationale: The correct answer is A: Neutrophils. Neutrophils are a type of white blood cell that plays a crucial role in the innate immune response by directly attacking and destroying pathogens like bacteria and viruses. They are the most abundant type of white blood cell and are known for their rapid response to infections. Neutrophils work by engulfing and digesting pathogens through a process called phagocytosis. Lymphocytes (option B) are involved in adaptive immunity, producing antibodies and coordinating immune responses. Monocytes (option C) differentiate into macrophages and dendritic cells, playing a role in phagocytosis and antigen presentation. Eosinophils (option D) are primarily involved in combating parasitic infections and allergic reactions, not directly attacking bacteria and viruses.

3. As a young manager, she knows that conflict occurs in any organization. Which of the

Correct answer: C

Rationale: Conflict in an organization is a natural occurrence that can either be constructive or destructive. Option C is the correct answer because conflict may indeed lead to poor performance if not managed effectively. When conflict is left unresolved or unaddressed, it can create tension, decrease morale, and hinder productivity. By recognizing that conflict can impact performance, the young manager can take proactive steps to address and resolve conflicts in a constructive manner to minimize its negative effects and promote a healthy work environment.

4. What is the term for the process of exchanging gases (oxygen and carbon dioxide) between the blood and the tissues?

Correct answer: D

Rationale: The correct answer is D: 'Internal respiration.' Internal respiration refers to the process where oxygen is exchanged for carbon dioxide between the blood and the body tissues at the cellular level. Inhalation (A) and exhalation (B) pertain to the movement of air into and out of the lungs. External respiration (C) involves the exchange of gases between the lungs and the bloodstream. Understanding internal respiration is crucial as it directly impacts the body's ability to supply oxygen to tissues and remove carbon dioxide, which is essential for cellular function and overall health.

5. The human body's largest organ, responsible for detoxification and a multitude of other functions, is the:

Correct answer: B

Rationale: The correct answer is B: Liver. The liver is the largest internal organ in the human body and is responsible for detoxification, processing nutrients, producing bile, and regulating blood sugar levels, among other functions. While the heart is vital for pumping blood, the lungs are crucial for respiration, and the skin is the body's largest external organ, the liver plays a central role in detoxification and various metabolic processes, making it the correct answer to this question.

6. When does work on an object occur?

Correct answer: c

Rationale: Work is done when a force is applied to an object, causing it to move in the direction of the force.

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