Which of the below is the best definition for the term circulation?
A. The transport of oxygen and other nutrients to the tissues via the cardiovascular system
B. The force exerted by blood against a unit area of the blood vessel walls
C. The branching air passageways inside the lungs
D. The process of breathing in
Circulation is transporting oxygen and other nutrients to the tissues via the cardiovascular system. Choice B refers to blood pressure. Bronchi are the branching airways inside the lungs, while inhalation refers to the process of breathing in.
Therefore, the Correct Answer is A.
More Questions on TEAS 7 Science
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Q #1: Which of the following anatomical structures is directly involved in the production of hormones?
A. Pituitary ,Pancreas
B. Penis,Pons
C. Pancreas ,Penis
D. Prostate, Pancreas
Answer Explanation
The pituitary and the pancreas are both structures of the endocrine system that produce hormones involved in body regulation, growth reaand development, sexual functioning, and other processes. The penis Is a structure of the reproductive system that responds to hormones, but it does not produce them. The prostate plays a role in converting testosterone (produced in the testicles) into dihydrotestosterone, but does not actively produce hormones. The pons is located in the brain stem and relays nerve signals that coordinate messages between the brain and the body. The pericardium is a structural component of the cardiovascular system.
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Q #2: Where is the gastrocnemius vein in relation to the femoral vein?
A. Lateral
B. Distal
C. Superior
D. Ventral
Answer Explanation
The gastrocnemius vein is found in the calf. The femoral vein is found in the proximal anterior thighs/pelvis.
Since the gastrocnemius vein is found below the femoral vein it is distal or inferior to the femoral vessel.
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Q #3: What types of reaction is Cu (s) + 2AgNO3(aq) → 2Ag(s) + Cu(NO3)2(aq)?
A. Single replacement
B. Double replacement
C. Synthesis
D. Decomposition
Answer Explanation
This is a single replacement reaction in which copper replaces silver. The copper combines with the nitrate ions, and the silver precipitates out. Single replacement reactions have the general form of
A + BC →
AC + B. Double replacement reactions have the general form of AB + CD→
AD + CB. Synthesis reactions have the general form of A + B →
AB. Decomposition reactions have the general form AB→
A+B.
