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Physiology

Weeks 1-6

QuestionAnswer
The body’s thermostat is located in the: hypothalamus.
Of the 11 major body systems, which is the least involved in maintaining homeostasis? Circulatory Reproductive
If the secretion of oxytocin during childbirth operated as a negative-feedback control loop, what effect would it have on uterine contractions? Oxytocin would inhibit uterine contractions.
Shivering to try to raise your body temperature back to normal would be an example of: a negative-feedback mechanism AND the body trying to maintain homeostasis.
Homeostasis can best be described as: a state of relative constancy.
Of the pathogenic organisms, which of the following are the most complex? Protozoa
Positive-feedback control systems: accelerate a change.
The term glycoprotein, a combination of two words, tells you that the compound is made of _____, with _____ being the dominant component. carbohydrate and protein; protein
The basic building blocks of fats are: fatty acids and glycerol.
The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are: steroids.
What is the most important factor in determining the physical and chemical properties of fatty acids? Degree of saturation
A _____ is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons. free radical
Which of the following is not true of RNA? It contains deoxyribose sugar.
Which is true about the sodium and potassium pump? Three sodium ions are taken out of the cell.
An individual’s entire set of DNA can be referred to as a: genome.
Which of the following is not a characteristic of skeletal muscles? Having one nucleus per cell
Areolar tissue usually contains which types of cells in the greatest number? Fibroblasts
Connective tissue forms from stem cell tissue called: mesenchyme.
The cells responsible for active erosion of bone minerals are called: osteoclasts.
Blood calcium levels involve secretion of which two hormones? parathyroid and calcitonin
Which of the following is not one of the primary functions performed by bones? Hormonal production
Bones grow in diameter by the combined action of which two of the three bone cell types? osteoblasts and osteoclasts
An example of a hinge joint is(are) the: interphalangeal joints.
Which joint allows for the most movement? Ball and socket
Cross-bridges are also called: myosin heads.
Created by: Danica355
 

 



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