which of the following is another name for the voice box
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ATI TEAS 7

Practice TEAS Science Test

1. Which of the following is another name for the voice box?

Correct answer: B

Rationale: The correct answer is B, 'Larynx.' The larynx is commonly referred to as the voice box because it plays a crucial role in sound production. It contains vocal cords and functions in speech and singing. Choice A, 'Alveoli,' are small air sacs in the lungs involved in gas exchange. Choice C, 'Trachea,' is the windpipe that connects the larynx to the bronchi. Choice D, 'Pharynx,' is the throat area located behind the mouth and nasal cavity, responsible for the passage of food and air.

2. Which type of mutation involves a change in the number of chromosomes?

Correct answer: D

Rationale: A) Point mutation involves a change in a single nucleotide base pair within the DNA sequence. B) Frameshift mutation involves the insertion or deletion of nucleotides, causing a shift in the reading frame of the genetic code. C) Missense mutation involves a single nucleotide change that results in a codon that codes for a different amino acid. D) Aneuploidy involves a change in the number of chromosomes, where an individual may have an extra chromosome (trisomy) or a missing chromosome (monosomy). Aneuploidy can lead to genetic disorders such as Down syndrome (trisomy 21) or Turner syndrome (monosomy X). Changing the number of chromosomes is a characteristic feature of aneuploidy, making it the correct answer. Point mutation, frameshift mutation, and missense mutation do not involve a change in the number of chromosomes and are focused on alterations at the nucleotide level within the DNA sequence.

3. What is the term for the inflammation of the airways in the lungs, often causing wheezing and difficulty breathing?

Correct answer: C

Rationale: Asthma is a chronic respiratory condition characterized by inflammation of the airways in the lungs, leading to symptoms such as wheezing, shortness of breath, chest tightness, and coughing. Pneumonia is an infection in the lungs caused by bacteria, viruses, or fungi, leading to symptoms like fever, cough, and difficulty breathing. Emphysema is a type of chronic obstructive pulmonary disease (COPD) characterized by damage to the air sacs in the lungs, resulting in shortness of breath and a chronic cough. Pleurisy, on the other hand, is inflammation of the lining around the lungs, causing chest pain that worsens with breathing or coughing. Therefore, the correct term for the inflammation of the airways in the lungs with symptoms of wheezing and difficulty breathing is Asthma.

4. What functional group is present in esters?

Correct answer: C

Rationale: The functional group present in esters is -COO-, which represents a carbonyl group bonded to an oxygen atom. This group is responsible for the characteristic fruity aroma of esters. Choice A, 'Hydroxyl,' refers to -OH, which is a characteristic group of alcohols, not esters. Choice B, 'Carbonyl,' is a broad term that includes various compounds with a C=O group, but specifically in esters, it is a carbonyl group bonded to an oxygen atom. Choice D, 'Amine,' refers to compounds containing a nitrogen atom bonded to hydrogen atoms or alkyl groups, which is not present in esters. Therefore, the correct answer is 'C: Ester.'

5. What hormone signals the release of digestive enzymes from the pancreas?

Correct answer: D

Rationale: A) Gastrin is a hormone that stimulates the release of gastric acid in the stomach, not digestive enzymes from the pancreas. B) Insulin is a hormone produced by the pancreas that regulates blood sugar levels by facilitating the uptake of glucose into cells, but it does not directly signal the release of digestive enzymes from the pancreas. C) Glucagon is another hormone produced by the pancreas that works opposite to insulin by increasing blood sugar levels, but it is not involved in signaling the release of digestive enzymes from the pancreas. D) Secretin is a hormone released by the small intestine in response to the presence of acidic chyme. It stimulates the pancreas to release bicarbonate to neutralize the acidity of the chyme and also triggers the release of digestive enzymes from the pancreas to aid in digestion. Therefore, secretin is the hormone that signals the release of digestive enzymes from the pancreas.

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