ATI TEAS 7
Anatomy
1. The spleen, a large lymphatic organ, is located in the:
- A. Chest
- B. Abdomen
- C. Pelvis
- D. Head and neck
Correct answer: B
Rationale: The correct answer is B: Abdomen. The spleen, a large lymphatic organ, is located in the upper left part of the abdomen, under the ribcage and above the stomach. It plays a crucial role in filtering and purifying the blood, removing old or damaged blood cells, and storing blood. The spleen is not located in the chest, pelvis, or head and neck. Understanding the anatomical location of organs is essential for medical professionals to accurately diagnose and treat patients.
2. The element responsible for the red color of blood is:
- A. Magnesium
- B. Iron
- C. Copper
- D. Zinc
Correct answer: B
Rationale: Hemoglobin, the protein responsible for carrying oxygen in red blood cells, contains iron in its heme group, contributing to the blood's characteristic red color.
3. Which element shares the same group (family) on the periodic table with helium (He)?
- A. Neon (Ne)
- B. Boron (B)
- C. Carbon (C)
- D. Oxygen (O)
Correct answer: A
Rationale: Neon (Ne). Both He and Ne belong to Group 18 (Noble Gases) due to their complete and stable outer electron shells.
4. Differentiate between epithelial and connective tissue.
- A. Epithelial tissue is exclusively found in the lungs, while connective tissue supports tendons.
- B. Both are composed of cells, but epithelial tissue lines surfaces and glands, while connective tissue binds other tissues.
- C. Epithelial tissue is more vascularized, while connective tissue is responsible for muscle contraction.
- D. Epithelial tissue is the largest tissue type, while connective tissue is the smallest.
Correct answer: B
Rationale: Epithelial tissue covers surfaces and lines organs, while connective tissue provides support and structure throughout the body. Both are composed of cells, but their functions and locations differ.
5. Which property of a wave remains constant when the wave enters a different medium?
- A. Frequency
- B. Wavelength
- C. Amplitude
- D. Speed
Correct answer: d
Rationale: The speed of a wave remains constant when it enters a different medium, provided the conditions are unchanged.
6. What is the main function of the gallbladder?
- A. To store and concentrate bile
- B. To produce digestive enzymes
- C. To absorb nutrients
- D. To neutralize stomach acid
Correct answer: A
Rationale: Rationale: The gallbladder is a small organ located beneath the liver that plays a crucial role in the digestive system. Its main function is to store and concentrate bile, a digestive fluid produced by the liver. Bile is released from the gallbladder into the small intestine to help with the digestion and absorption of fats. The gallbladder acts as a reservoir for bile, allowing it to be released in a controlled manner when needed to aid in the digestion of fatty foods. Therefore, option A is the correct answer as it accurately describes the main function of the gallbladder.
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