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Phys 1-6
physiology questions from Ch 1-6
| Question | Answer |
|---|---|
| Which of the following may put one at risk for developing a given, disease? | Environment, stress, and lifestyle |
| 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. |
| Negative-feedback control systems | oppose a change. |
| Which of the following is not one of the basic components in a feedback control loop? | Transmitter. |
| Homeostasis can best be described as | a state of relative constancy. |
| Proteins are polymers of | amino acids. |
| Which of the following is a polymer of glucose that is sometimes referred to as an animal starch? | Glycogen |
| Chaperone proteins assist in the proper folding of other proteins so they can have the correct functional shape. | True |
| Which term means "water loving" and applies to the phospholipid head? | Hydrophilic |
| A very large molecule composed of subunits of sugar, a nitrogen base, and a phosphate bond? | Nucleic acid |
| Which of the following is not a characteristic of meiosis? | Two haploid gametes. |
| Replication of DNA occurs in which phase of interphase? | S phase |
| The result of meiosis is | four daughter cells that are haploid. |
| Diffusion moves | down a concentration gradient. |
| Glycolysis occurs in which part of the cell? | Cytoplasm |
| The hair papilla consists of ____ tissue. | Dermal |
| The gland responsible for the waxy secretion in the external ear canal is: | ceruminous. |
| Smooth muscles that produce goose pimples when they contract are the _____ muscles. | Arrector pili |
| Which skin layer has cells that look prickly because of the desmosomes that join the cells together? | Stratum spinosum |
| The hair follicle is found in the: | dermis. |
| What are the two types/functions of bone marrow? | Red and yellow- produces red blood cells and stores energy as fat. |
| The external portion of the bone is known as: | Cortical bone |
| Bones grow due to activity in the: | Epiphyseal plates. |
| Which of the following is NOT considered a long bone? | C5 vertebral body |
| When an astronaut is in space for two months what may happen to their bone density as compared to a person living on earth? | The astronaut will experience bone loss at an increased rate as a a person on earth. |
| Synarthrotic joints are | immovable. |
| Which subtype of fibrous joint is found only in the skull? | Suture |
| Which of the following is not among the structures that characterize synovial joints? | Tendons |
| A contraction in which muscle length remains the same but muscle tension increases is called an: | isometric contraction. |
| The minimal level of stimulation required to cause a fiber to contract is called the: | threshold stimulus. |
Created by:
manderson1228
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