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Erica Olivo-Reynoso

WK-7 Physiology Assignments 1-6

QuestionAnswer
Negative-feedback mechanisms: minimize changes in blood glucose levels. maintain homeostasis. are responsible for an increased rate of sweating when air temperature is higher than body temperature. All of the above are correct.
The normal reading or range of normal is called the: set point.
Homeostasis can best be described as: a state of relative constancy.
Epidemiology is the study of the _____ of diseases in human populations. occurrence distribution transmission All of the above are correct.
Which energy-releasing or energy-transferring molecule does not contain a nucleotide? Creatine phosphate
Peptide bonds join together molecules of: amino acids.
Prostaglandins and steroids share which of the following characteristics? Both have a ring structure in their molecule.
All of the following substances are organic except: electrolytes
During which stage of mitosis do the centrioles move to the opposite poles of the cell? Prophase
A DNA molecule is characterized by all of the following except: ribose sugar.
Transcription can be best described as the: synthesis of mRNA.
Twenty-three chromosomes per cell in humans is referred to as: haploid
Which cells electrically insulate axons to increase the speed of conduction? Oligodendrocytes and Schwann cells
Which is not a function of epithelial tissue? Assimilation
Which type of tissue has the greatest capacity to regenerate? Epithelial
A tissue is: a group of similar cells that perform a common function.
The area referred to as true skin is the: dermis
Bones act as a reservoir for which of the following minerals? Calcium and Phosphorus
Which of the following is not a characteristic of the epiphyses? Cylindrical in shape
Small cells that synthesize and secrete a specialized organic matrix are osteoblasts.
The cells responsible for active erosion of bone minerals are called: osteoclasts
Which of the following is not one of the primary functions performed by bones? Hormonal production
Muscle contractions will continue as long as: the calcium ions are attached to the troponin.
Which of the following is not one of the major functions of muscles? Protection
A contraction in which the tension within the muscle remains the same but the length changes is called a(n) _____ contraction. isotonic
Most body movements are _____ contractions. combination of isotonic and isometric
Which of the following terms describes an isometric contraction? Static tension
Which of the following statements about cardiac muscle is incorrect? Cardiac muscle requires nervous stimulation to contract.
Created by: user-1990758
 

 



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