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Physio midterm

week 1-6

QuestionAnswer
The body naturally changes some set points to different values at different times of the day. These daily cyles are called circadian cycles.
The impact of effector activity on sensors may be positive or negative. Therefore, homeostatic control mechanisms are categorized as organs that are directly influenced by physiological variables or mechanisms.
Of the 11 major body systems, which is the least involved in maintaining homeostasis? 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.
A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. false
A _____ is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons. free radical
The result of meiosis is four daughter cells that are haploid.
Extensive weight training causes the muscle cells to: hypertrophy.
In which skin layer does the process of keratinization begin? Stratum granulosum
Which skin layer is called the barrier area? Stratum corneum
Hematopoietic tissue can be found in the: bones
Why is cartilage slow to heal. Because it is semi-solid and flexible Because has a no or a limited blood supply
During childbirth, a baby passes through an imaginary plane called the: pelvic outlet.
Young children’s bones have a greater risk of fracturing because of incompletely ossified bone. false
Repeated stimulation of muscle in time lessens its excitability and contractibility and may result in fatigue
Which structure allows the electrical signals to travel along the sarcolemma and move deeper into the cell? transverse tubule
Stretching the foot down and back and pointing the toe is called: plantar flexion.
Created by: user-1990267
 

 



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