what is the scientific term for the windpipe a tube that carries air from the larynx to the bronchi
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ATI TEAS 7

TEAS 7 science practice

1. What is the scientific term for the windpipe, a tube that carries air from the larynx to the bronchi?

Correct answer: B

Rationale: The trachea is the correct scientific term for the windpipe, a tube that carries air from the larynx to the bronchi. It is an essential part of the respiratory system, enabling the passage of air to and from the lungs. The pharynx is the region behind the mouth and nasal cavity, acting as a passageway for air and food. The epiglottis is a cartilage flap that shields the trachea during swallowing to prevent food from entering the airway. Bronchioles are smaller airways that branch off from the bronchi within the lungs, further dividing and distributing air within the lungs.

2. Which type of joint allows for the widest range of motion, similar to the shoulder joint?

Correct answer: B

Rationale: The correct answer is B: Ball-and-socket joint. Ball-and-socket joints, like the shoulder joint, allow for the widest range of motion in multiple directions. This type of joint consists of a rounded bone (the 'ball') fitting into a cup-like socket, enabling movements such as flexion, extension, abduction, adduction, and rotation. Choice A, Hinge joint, allows movement in one plane, like a door hinge, and does not offer the same range of motion as a ball-and-socket joint. Choice C, Gliding joint, permits limited motion in various directions but not as wide as a ball-and-socket joint. Choice D, Fixed joint, does not allow any motion as it is immovable, unlike the shoulder joint which is highly mobile.

3. What is a gene, and what is the relationship between genes, genotype, and phenotype?

Correct answer: B

Rationale: A gene is a portion of DNA that contains the instructions for a specific trait. Genotype refers to the genetic makeup of an organism, encompassing all its genes. Phenotype, on the other hand, is the observable physical manifestation resulting from the interaction between an organism's genotype and environmental factors. Choice A is incorrect because genes do not consist of amino acids directly; they are sequences of nucleotides. Choice C is incorrect as genes do not determine traits directly but provide the instructions for proteins that may influence traits. Choice D is incorrect as genes are not lipids, and lipids do not determine traits; they are a type of biomolecule with different functions.

4. Dendrites are finger-like extensions found on

Correct answer: C

Rationale: Dendrites are the branched extensions of neurons that receive signals from other neurons and transmit those signals to the cell body. They play a crucial role in the communication process within the nervous system, allowing neurons to communicate with each other and integrate incoming signals to generate responses. The other choices are incorrect because dendrites specifically belong to neurons, not muscle cells, connective tissue cells, or epithelial cells.

5. How many bones are there in the adult human skeleton?

Correct answer: B

Rationale: The correct answer is B: 206. The adult human skeleton consists of 206 bones. These bones are categorized into the axial skeleton, which includes the skull, vertebral column, and rib cage, and the appendicular skeleton, comprising the bones of the limbs and girdles. Each bone has a specific function in providing structure and support to the body. Choices A, C, and D are incorrect because they do not represent the accurate number of bones in the adult human skeleton. It is essential to remember the correct number of bones in the human skeleton for a better understanding of the skeletal system.

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