Scientific Foundation 2025-2026 at New York Online Electtonic Library

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Free Scientific Foundation 2025-2026 at New York Online Electtonic Library Questions

1.

The relationship of the pinky finger to the body when it is in the anatomical position is called: Select one:

  • Anterior

  • Lateral

  • Medial

  • Posterior

Explanation

Explanation of Correct Answer: In the anatomical position, the body stands upright with arms at the sides and palms facing forward. The pinky finger (fifth digit) is located closer to the midline of the body than the thumb. The term medial refers to a structure that is nearer to the body’s midline, making the pinky finger medial relative to the thumb in this position.

2.

Which body cavity contains the reproductive organs? Select one:

  • Abdominal

  • Pelvic

  • Spinal

  • Thoracic

Explanation

Explanation of Correct Answer: b. Pelvic: The pelvic cavity is located below the abdominal cavity and contains the reproductive organs, urinary bladder, and part of the large intestine. In females, it includes the uterus, ovaries, and fallopian tubes; in males, it contains the prostate gland and seminal vesicles. This cavity provides protection and structural support for organs involved in reproduction and excretion.
3.

Which of the following body systems contains ductless glands that produce and secrete hormones impacting and regulating nearly every process within the body? Select one:

  • Endocrine

  • Lymphatic

  • Skeletal

  • Respiratory

Explanation

Explanation of Correct Answer: a. Endocrine: The endocrine system is made up of ductless glands that secrete hormones directly into the bloodstream. These hormones regulate essential body functions such as metabolism, growth, reproduction, stress response, and homeostasis. Major endocrine glands include the pituitary, thyroid, parathyroid, adrenal glands, pancreas (islets of Langerhans), and gonads (ovaries and testes). Hormones act as chemical messengers that influence nearly every cell and organ in the body.
4.

A nursing assistant performs hand hygiene before and after patient care and ensures that bed linens do not touch the floor. Which type of asepsis is this an example of?

  • Surgical asepsis

  • Sterilization

  • Disinfection

  • Medical asepsis

Explanation

Explanation: Medical asepsis, also known as clean technique, involves practices that reduce and prevent the spread of microorganisms. These practices are used in everyday patient care activities to maintain a clean environment and protect both patients and healthcare workers from infection. Examples include: ● Hand hygiene before and after patient contact ● Proper handling of linens and equipment (ensuring linens do not touch the floor) ● Wearing gloves when necessary ● Cleaning and disinfecting surfaces regularly These methods aim to minimize the number of pathogens rather than eliminate them completely.

5.

What is the function of the nucleolus? Select one:

  • Releases enzymes

  • Contains chromosomes

  • Makes ribosomes

  • Aids in cell respiration

Explanation

Explanation of Correct Answer: c. Makes ribosomes: The nucleolus is a dense, spherical structure located inside the nucleus of a cell. Its primary function is to produce and assemble ribosomal RNA (rRNA) and combine it with proteins to form the subunits of ribosomes. These subunits then leave the nucleus and enter the cytoplasm, where they play a crucial role in protein synthesis. The nucleolus is essential for the cell’s ability to produce proteins, which are vital for growth and repair.
6.

What is the "building up" process from simple substances to complex ones called? Select one:

  • Homeostasis

  • Catabolism

  • Anabolism

  • Decomposition

Explanation

Explanation of Correct Answer: c. Anabolism: Anabolism is the constructive phase of metabolism in which smaller, simpler molecules (such as amino acids and sugars) are combined to form larger, more complex compounds (like proteins and glycogen). This process requires energy, usually in the form of ATP, and is essential for cell growth, tissue repair, and the synthesis of enzymes and hormones.
7.

Which body systems work together to enable us to move about and provide support? Select one:

  • Skeletal and Muscular

  • Skeletal and Lymphatic

  • Skeletal and Digestive

  • Muscular and Respiratory

Explanation

Explanation of Correct Answer: a. Skeletal and Muscular: The skeletal and muscular systems work together to form the musculoskeletal system, which provides structure, support, protection, and movement. Bones act as levers and points of attachment for muscles, while muscles contract to move the bones at joints. This cooperation allows for all voluntary body movements, posture maintenance, and protection of vital organs. Without one, the other would be ineffective in enabling motion or stability.
8.

The LPN student has been assigned to care for a patient who was admitted for pancreatitis. The LPN student knows the pancreas is located in the ________ assessment area when auscultating and palpating in this area, and the patient may exhibit discomfort during the abdominal exam. Select one:

  • Left upper quadrant

  • Right lower quadrant

  • Right upper quadrant

  • Left lower quadrant

Explanation

Explanation of Correct Answer: a. Left upper quadrant: The pancreas lies mostly in the left upper quadrant (LUQ) of the abdomen, extending horizontally behind the stomach and partly into the midline. In pancreatitis, inflammation of this organ often causes pain and tenderness in the LUQ or epigastric region, sometimes radiating to the back. During assessment, the nurse may note guarding or discomfort when palpating this area due to irritation and inflammation of pancreatic tissue.
9.

Which of the following factors make a host more susceptible to infection? (Select all that apply.) Select one or more:

  • Immunocompromised

  • Malnutrition

  • Advanced age

  • Patient who is up to date with vaccinations

  • Intact skin and mucous membranes

Explanation

Explanation of Correct Answers: a. Immunocompromised: Individuals with weakened immune systems—such as those undergoing chemotherapy, living with HIV/AIDS, or taking immunosuppressive drugs—have reduced ability to fight off pathogens, making them highly susceptible to infection. b. Malnutrition: Malnutrition weakens the body’s defense mechanisms by impairing immune cell function and reducing the production of antibodies. Inadequate intake of essential nutrients like protein and vitamins increases the risk of infection. c. Advanced age: Elderly individuals experience a natural decline in immune function (immunosenescence). This reduced immune response, combined with chronic diseases and slower healing, makes older adults more vulnerable to infections.
10.

Which of the following body systems play the most important role in body regulation and maintaining homeostasis? Select one:

  • Nervous and muscular system

  • Circulatory and lymphatic system

  • Endocrine and reproductive system

  • Nervous and endocrine system

Explanation

Explanation of Correct Answer: d. Nervous and endocrine system: The nervous and endocrine systems work together to regulate and maintain homeostasis—the body’s internal balance. The nervous system responds rapidly to changes by sending electrical signals, while the endocrine system releases hormones that produce slower but longer-lasting effects. Together, they control vital functions such as body temperature, heart rate, blood pressure, metabolism, and fluid balance to keep the body stable despite external changes.

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