ATI TEAS 7
Anatomy
1. What is the name of the condition characterized by swelling caused by a buildup of lymph fluid?
- A. Anemia
- B. Edema
- C. Hypertension
- D. Diabetes
Correct answer: B
Rationale: The correct answer is B: Edema. Edema is the condition characterized by swelling caused by a buildup of lymph fluid in the body's tissues. Anemia (A) is a condition characterized by a lack of healthy red blood cells, not swelling. Hypertension (C) is high blood pressure, which does not directly cause swelling. Diabetes (D) is a metabolic disorder affecting blood sugar levels and does not directly lead to lymph fluid buildup and swelling.
2. How many amino acids can make up a protein?
- A. 10-20
- B. 50-100
- C. 100-500
- D. 1000+
Correct answer: A
Rationale: Rationale: Proteins are made up of long chains of amino acids. There are 20 standard amino acids that are commonly found in proteins. The sequence and arrangement of these amino acids determine the structure and function of a protein. While proteins can vary in size and complexity, the number of amino acids typically ranges from around 10 to 20 in smaller proteins to hundreds or even thousands in larger proteins. Therefore, the range of 10-20 amino acids is the most accurate representation of the number of amino acids that can make up a protein.
3. What is the name of the muscle responsible for pumping blood throughout the body?
- A. Bicep
- B. Tricep
- C. Deltoid
- D. Cardiac muscle
Correct answer: D
Rationale: The correct answer is D: Cardiac muscle. The cardiac muscle, also known as the heart muscle, is responsible for pumping blood throughout the body. Unlike voluntary muscles like the bicep, tricep, and deltoid, the cardiac muscle is involuntary and works continuously to pump blood to all parts of the body. It is crucial for maintaining circulation and delivering oxygen and nutrients to tissues. Understanding the role of the cardiac muscle in the circulatory system is essential for grasping the importance of heart health and overall well-being.
4. What is the phenomenon responsible for the mirage effect seen in deserts?
- A. Diffraction
- B. Refraction
- C. Interference
- D. Polarization
Correct answer: B
Rationale: Mirages occur due to the refraction of light by layers of air with different temperatures and densities, bending the light rays and creating the illusion of water on the horizon.
5. Stephanie is a new Staff Educator of a private tertiary hospital. She conducts orientation
- A. Organizational structure
- B. Policy
- C. Job description
- D. Manual of procedures
Correct answer: D
Rationale: The correct answer is D, 'Manual of procedures.' During orientation, Stephanie as a Staff Educator would likely refer to the manual of procedures to provide new employees with detailed instructions on how to perform their job duties. This manual outlines the specific procedures, protocols, and guidelines that employees are expected to follow within the organization. It serves as a valuable resource for new hires to understand the standard operating procedures and expectations within the hospital setting, making it a crucial document to reference during orientation.
6. Dandruff is caused by
- A. Excessive sebum production (This can contribute to oily dandruff)
- B. Bacterial infection (This can cause scalp folliculitis, not dandruff)
- C. Overgrowth of a specific type of fungus on the scalp
- D. Lack of proper skin hydration
Correct answer: C
Rationale: Dandruff is primarily caused by an overgrowth of a specific type of fungus called Malassezia on the scalp. This fungus feeds on the natural oils produced by the hair follicles, leading to an inflammatory response in some individuals, resulting in flaking and itching. Excessive sebum production can contribute to oily dandruff by providing more food for the fungus. Bacterial infections, such as scalp folliculitis, can cause symptoms similar to dandruff but are not the primary cause. Lack of proper skin hydration can contribute to dry scalp conditions but is not the main cause of dandruff.
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