what is the medical term for ingrown hair
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ATI TEAS 7

TEAS 7 science quizlet

1. What is the medical term for an ingrown hair?

Correct answer: A

Rationale: The correct answer is A, Folliculitis. Folliculitis is the medical term for the inflammation of hair follicles, which can be caused by ingrown hairs. Hirsutism refers to excessive hair growth, pseudofolliculitis barbae is a condition where shaving causes ingrown hairs, and alopecia is hair loss. Therefore, choices B, C, and D are incorrect as they do not specifically refer to ingrown hairs.

2. How can the peripheral nervous system be further divided?

Correct answer: A

Rationale: The peripheral nervous system can be further divided into sensory (afferent) neurons that carry information from sensory receptors to the central nervous system and motor (efferent) neurons that carry information from the central nervous system to muscles and glands. Choice A, 'Sensory and motor,' is the correct answer as it accurately identifies the two main functional divisions of the peripheral nervous system. Choices B, 'Sympathetic and parasympathetic,' are divisions of the autonomic nervous system, not the peripheral nervous system. Choice C, 'Myelinated and unmyelinated,' refers to the structural classification of nerve fibers rather than functional divisions. Choice D, 'Central and peripheral,' contrasts the central nervous system with the peripheral nervous system, not further dividing the peripheral nervous system itself.

3. What type of bond forms between elements when they share electrons?

Correct answer: A

Rationale: The correct answer is A: Covalent bond. In a covalent bond, atoms share electrons, leading to the creation of a strong attraction that holds them together. This type of bond is characterized by the sharing of electron pairs between atoms, resulting in the formation of molecules. Choice B, Ionic bond, involves the transfer of electrons from one atom to another, creating charged ions that attract each other. Choice C, Metallic bond, refers to the sharing of electrons among a sea of delocalized electrons in a metal structure. Choice D, Hydrogen bond, is a weak electrostatic attraction between a hydrogen atom and an electronegative atom like oxygen or nitrogen, not involving the sharing of electrons.

4. Which muscular tube carries urine from the kidneys to the bladder?

Correct answer: B

Rationale: The correct answer is B: Ureter. The ureter is the muscular tube that carries urine from the kidneys to the bladder. The nephron is the functional unit of the kidney responsible for filtering blood and producing urine. The urethra is the tube that carries urine from the bladder out of the body. The glomerulus is a network of capillaries in the nephron where filtration of blood occurs.

5. Iron is a transition metal, which means it often forms a cation with a charge of what?

Correct answer: C

Rationale: The correct answer is C: 2+ or 3+. Transition metals, like iron, are known for their ability to exhibit variable oxidation states. This characteristic allows them to form cations with charges such as 2+ or 3+. Specifically, iron can form cations with these charges due to the varying electron configurations in its d-orbitals. The other choices are incorrect because transition metals typically form positively charged cations, not negatively charged ones. Additionally, while iron can form cations with charges of 2+ or 3+, it does not commonly form cations with charges of 1- or 1+. Transition metal cations play a crucial role in forming coordination complexes with ligands, highlighting their importance in various chemical reactions.

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