Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Trang Tang
Physiology
| Question | Answer |
|---|---|
| Processes for maintaining or restoring homeostasis are known as | set point mechanisms. |
| Of the 11 major body systems, which is the least involved in maintaining homeostasis? | Reproductive |
| Of the pathogenic organisms, which of the following are the most complex? | Tapeworms |
| Intrinsic control: | is sometimes called autoregulation. |
| A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. | False |
| Proteins are polymers of | Amino acids |
| A saturated fatty acid is one in which | all available bonds of its hydrocarbon chain are filled. |
| When two amino acids are joined, a peptide bond is formed and an H+ ion is released. | False |
| Meiosis is called “reduction division” because | the number of chromosomes is reduced by half. |
| Facilitated diffusion is not an active transport process because it | does not depend on cell energy. |
| Glycolysis occurs in what part of the cell? | cytoplasm |
| Diffusion moves | down a concentration gradient. |
| RNA makes proteins by | translation. |
| Replication of DNA occurs in which phase of interphase? | M phase |
| Which of the following statements is true? | The site of transcription is within the nucleus, whereas the site of translation is in the cytoplasm. |
| Which is true about the sodium and potassium pump? | Three sodium ions are taken out of the cell. |
| During which stage of mitosis do the centrioles move to the opposite poles of the cell? | Prophase |
| Phagocytosis is an example of: | endocytosis. |
| Which is not true about the sodium and potassium pump? | Sodium moves into the cell and potassium moves out of the cell. |
| Diffusion requires: | a concentration gradient. |
| The hair papilla consists of _____ tissue. | dermal |
| Smooth muscles that produce goose pimples when they contract are the _____ muscles. | arrector pili |
| In which skin layer does the process of keratinization begin? | Stratum granulosum |
| Which cells electrically insulate axons to increase the speed of conduction? | Both A and B Schwann cells Oligodendrocytes |
| Which of the following vitamins is(are) absorbed through the skin? | ALL, A, D and K |
| Which of the following is not a characteristic of smooth muscles? | Having intercalated disks |
| Why are osteocytes spread out in bone tissue? | Formation of osteoid spreads out the osteoblasts that formed the ossification centers. |
| The fontenelles of an infant's skull consists of | fibrous membrane |
| Which statement below is correct regarding fontanelles? | Allows for brain growth. The anterior fontanelle closes at about 2 years of age. The fontanelles are fibrous membranes. Correct Answer All of the above |
| Hematopoietic stem cells that are found in red bone marrow can develop into a variety of different blood cells, including red blood cells, white blood cells, and platelets. | True |
| The primary ossification center of a long bone is located: | in the diaphysis. |
| Young children’s bones have a greater risk of fracturing because of incompletely ossified bone. | False |
| As the activity of osteoblasts increases, the: | Both B and C occur. amount of calcium in bone increases. level of calcium in the blood decreases. |
| The minimal level of stimulation required to cause a fiber to contract is called the | threshold stimulus. |
| Anaerobic respiration results in the formation of an incompletely catabolized molecule called | lactate . |
| All of the following are characteristics of smooth muscle except: | thin and thick filaments are aligned in sarcomeres like skeletal muscles. |
| Muscle contractions will continue as long as: | the calcium ions are attached to the troponin. |
| The substance that attracts oxygen in the myoglobin molecule is: | Iron |
| Which of the following statements is incorrect about motor units? | The more muscle fibers stimulated by a motor neuron, the more precise the movements of that muscle can be. |
| All of the following are noninflammatory joint disorders except: | juvenile rheumatoid arthritis. |
| The strength of a muscle contraction is influenced by the: | amount of load. initial length of muscle fibers. recruitment of motor units. All of the above are correct. |
| Most body movements are _____ contractions. | isotonic |
| Painful muscle contractions or involuntary twitches are called: | cramps |
| The mechanisms that produce and maintain the resting membrane potential do so by producing a | slight excess of positive ions on the outer surface of the plasma membrane. |
Created by:
mstrangd
Popular Physiology sets