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TEAS 7 - Science Practice Questions And Answers.
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TEAS 7 - Science Practice Questions AndAnswers
1.Which of the following are examples of homeostatic mechanisms? (Select all
ji ji ji ji ji ji ji ji ji ji
ji that apply.)
ji
a. Consuming excess calories to gain weight ji ji ji ji ji
b. Lifting weights to increase muscle mass
ji ji ji ji ji
c. Shivering when the body temperature falls
ji ji ji ji ji
d. Secreting insulin to decrease blood sugar concentration
ji ji ji ji ji ji
e. Increasing heart rate when blood pressure is low: C,D,E
ji ji ji ji ji ji ji ji
2.Homeostasis is defined as: ji ji ji
a.
Ability of human beings to keep body weight within normal limits
ji ji ji ji ji ji ji ji ji ji
b.
Maintenance of a constant external temperature inside a room
ji ji ji ji ji ji ji ji
c.
ji ji
,Ingestion of enough food to keep hunger pains from developing
ji ji ji ji ji ji ji ji ji
d.
Tendency of the body to maintain a stable environment: D. tendency of the body
ji ji ji ji ji ji ji ji ji ji ji ji ji
ji to maintain a stable environment.
ji ji ji ji
3.Where is the gastrocnemius vein in relation to the femoral vein?
ji ji ji ji ji ji ji ji ji ji
ji a.Lateral
b. Distal
c. Superior
d. Ventral: B. Distal: ji ji
The gastrocnemius vein is found in the calf. The femoral vein is found in the
ji ji ji ji ji ji ji ji ji ji ji ji ji ji
ji proximal anterior thigh/pelvis. Since the gastrocnemius vein is found below
ji ji ji ji ji ji ji ji ji
ji the femoral vein it is distal or inferior to the femoral vessel.
ji ji ji ji ji ji ji ji ji ji ji
4.Which is NOT a type of protein?
ji ji ji ji ji ji
a. Fibrous
b. Membrane
c. Globular
d. Unsaturated: D. Unsaturated ji ji
There are three types of proteins: fibrous, membrane, and globular. Fibrous
ji ji ji ji ji ji ji ji ji ji
ji or structural proteins consist of collagen, elastin, and keratin. Membrane
ji ji ji ji ji ji ji ji ji
ji proteins are interactive and anchored to a membrane. Globular proteins
ji ji ji ji ji ji ji ji ji
ji consist of functional proteins like enzymes, hemoglobin, and insulin.
ji ji ji ji ji ji ji ji
ji ji
, 5.Which of the following is true regarding adipocytes?
ji ji ji ji ji ji ji
a. They are involved in the secretion of glucose.
ji ji ji ji ji ji ji
b. They are responsible for storing the fat that is found in adipose tissue.
ji ji ji ji ji ji ji ji ji ji ji ji
c. They are critical in the digestive breakdown of fat.
ji ji ji ji ji ji ji ji
d. They are the foundational element of muscles.: B: storage
ji ji ji ji ji ji ji ji
Adipocytes are primarily seen in adipose or fat tissue. Their primary ji ji ji ji ji ji ji ji ji ji
ji function is the storage of fat. Adipocytes play a crucial role in maintaining
ji ji ji ji ji ji ji ji ji ji ji ji
ji proper energy balance, storing calories in the form of lipids, and mobilizing
ji ji ji ji ji ji ji ji ji ji ji
ji energy sources in response to stress. They are not involved in the digestion
ji ji ji ji ji ji ji ji ji ji ji ji
ji of fat or the secretion of glucose, nor are they the foundational element of
ji ji ji ji ji ji ji ji ji ji ji ji ji
ji muscles.
6.What is the role of ribosomes?
ji ji ji ji ji
a. Make proteins ji
b. Waste removal ji
c. Transport
d. Storage: A. A ribosome is a structure of eukaryotic cells that makesji ji ji ji ji ji ji ji ji ji ji
ji proteins.
7.Which of the following is an example of a chemical change?
ji ji ji ji ji ji ji ji ji ji
a. Releasing compressed gas to make a bottle-rocket launch ji ji ji ji ji ji ji
b. Adding water to clay to make slip ji ji ji ji ji ji
c. Crystalizing honey to make candy ji ji ji ji
d. Including baking soda in a recipe to make it less sour: D. A chemical change ji ji ji ji ji ji ji ji ji ji ji ji ji ji
ji involves a chemical reaction and new substances are produced.
ji ji ji ji ji ji ji ji
ji ji
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