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Nursing Elites

ATI TEAS 7

Biology

1. Which type of transport allows for the movement of large molecules, such as proteins and polysaccharides, across the cell membrane?

Correct answer: A

Rationale: Rationale: A) Endocytosis is the process by which cells engulf large molecules or particles by wrapping the cell membrane around them to form a vesicle that is brought into the cell. This mechanism allows for the movement of large molecules, such as proteins and polysaccharides, across the cell membrane. B) Exocytosis is the opposite process of endocytosis, where cells release large molecules or particles by fusing vesicles with the cell membrane to expel their contents out of the cell. C) Active transport is a process that requires energy to move molecules across the cell membrane against their concentration gradient. While active transport can move large molecules, it is not specifically designed for the transport of proteins and polysaccharides. D) Facilitated diffusion is a type of passive transport that involves the movement of molecules across the cell membrane with the help of transport proteins. While facilitated diffusion can assist in the movement of

2. A news article claims a scientist has discovered a cure for cancer. How should you approach this information?

Correct answer: B

Rationale: Extraordinary claims require extraordinary evidence. It's essential to wait for scientific consensus and verification before accepting such groundbreaking claims.

3. The primary function of the placenta during pregnancy is to:

Correct answer: D

Rationale: The correct answer is D, 'All of the above.' The placenta serves multiple crucial functions during pregnancy. It facilitates gas exchange between the mother and fetus, ensuring the transfer of oxygen and nutrients while removing carbon dioxide and waste products. Additionally, the placenta produces hormones like insulin that help regulate the mother's metabolism and support the development of the fetus. Therefore, the placenta plays a vital role in maintaining a healthy environment for the growing fetus by providing essential nutrients, removing waste, and regulating hormonal balance.

4. Julius orients his staff on the patterns of reporting relationship throughout the organization.

Correct answer: B

Rationale: The correct answer is B: Hierarchy. Hierarchy refers to the structure of authority and responsibility within an organization, including the levels of management and the reporting relationships. In this scenario, Julius is orienting his staff on the patterns of reporting relationships, which is a key aspect of hierarchy. Span of control refers to the number of employees a manager can effectively supervise, esprit de corps pertains to team spirit and unity among employees, and unity of direction relates to ensuring all activities are focused on the same objectives. Therefore, the most appropriate term for Julius's action is hierarchy.

5. Which property of a wave determines its loudness in sound waves?

Correct answer: a

Rationale: Amplitude in sound waves relates to the loudness or intensity of the sound.

6. Approximately how many muscles are there in the human body?

Correct answer: D

Rationale: The correct answer is D. There are over 600 muscles in the human body. Muscles are responsible for movement, posture, and generating heat in the body. The exact number of muscles can vary slightly from person to person, but it is generally accepted that there are over 600 muscles in the human body. These muscles work together to allow us to perform various movements and activities throughout our daily lives.

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