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Angelica Ramirez
WEEK 7: PHYSIOLOGY
| Question | Answer |
|---|---|
| To accomplish self-regulation, a highly complex and integrated communication control system or network is required. This type of network is called a(n) | feedback control loop. |
| 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. |
| Which of the following is not one of the basic components in a feedback control loop? | Transmitter |
| Intrinsic control: | is sometimes called autoregulation |
| RNA and DNA have the same pyrimidine bases but different purine bases. | False |
| What term is often used to describe certain arrangements of atoms attached to the carbon core of many organic molecules? | functional group |
| Which of the following is not true of both triglycerides and phospholipids? | They both contain a hydrophobic and hydrophilic end. |
| If red blood cells containing 10% solute are placed in a solution containing 10% solute, what will happen? | Water will move into and out of the cells at equal rates. |
| Normal mitosis results in | cells that are genetically identical to the parent cell. |
| Which is not true about the sodium and potassium pump? | Sodium moves into the cell and potassium moves out of the cell |
| Twenty-three chromosomes per cell in humans is referred to as: | haploid |
| Basement membrane is composed of molecules made by _____ tissue. | connective and epitheliail tissue |
| Which of the following is not a characteristic of epithelial tissue? | Is important in communication and control |
| Why is cartilage slow to heal. | Because it is semi-solid and flexible and Because has a no or a limited blood supply |
| Young children’s bones have a greater risk of fracturing because of incompletely ossified bone. | False |
| A condition that is caused by an abnormally increased roundness in the thoracic curvature is | Kyphosis |
| Due to how the clavicle articulates with the scapula, all shoulder movements involve the sternoclavicular joint. | True |
| One similarity between the structures of the foot and hand is the equivalent degrees of movement of both the thumb and the big toe. | False |
| All of the following are characteristics of smooth muscle except: | thin and thick filaments are aligned in sarcomeres like skeletal muscles. |
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