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SCI221-10DiwanaDoty
Study Stack 1 Weeks 1-6 (Mid-Term)
Question | Answer |
---|---|
Which of the following is not a part of the neuromuscular junction? | T-tubules |
The substance that attracts oxygen in the myoglobin molecule is | iron |
Most body movements are _____ contractions. | isotonic |
Bones act as a reservoir for which of the following minerals? | Calcium & Phosphorus both answers are right/able to choose both |
Normally, bone loss will begin to exceed bone gain between the ages of _____ years | 35 and 40 |
Which of the following is not a characteristic of connective tissue? | Typically holds its cells together tightly by means of desmosomes |
Which of the following is not a proteoglycan found in the matrix of connective tissue? | Collagen |
Which of the following is not a function of adipose tissue? | Defends the body from microbes and injurious substances |
Which of the following vitamins is(are) absorbed through the skin? | Vitamin A. Vitamin D. Vitamin K, Correct Answer All of the above |
Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? | Astrocytes |
The hypodermis: | connects the dermis to underlying tissues. |
If a sequence of nitrogen bases in nucleic acid were A-U-C-G-A, which of the following would be true about the nucleic acid? | It contains ribose sugar. |
A DNA molecule is characterized by all of the following except: | ribose sugar. |
During which stage of mitosis do the centrioles move to the opposite poles of the cell? | Prophase |
A membrane carrier structure attracts a solute to a binding site, changes shape, and releases the solute on the other side of the cell membrane. This describes the process of: | carrier-mediated transport. |
NaCl would move through the cell membrane in which direction? | Both into and out of the cell |
Transcription can be best described as the: | synthesis of mRNA. |
Which of the following is not true of carbohydrates? | They include substances commonly called sugars. They are the body’s primary source of energy. They are a part of both DNA and RNA Correct Answer: All of the above are true of carbohydrates. |
Which lipid is part of vitamin D? | Steroids |
Which of the following is not one of the major groups of organic substances in the human body? | Salts |
A structural lipid found in the cell membrane is a: | phospholipid & steroid. Correct Answer: Both B and C are correct. |
Shivering to try to raise your body temperature back to normal would be an example of: | the body trying to maintain homeostasis & a negative-feedback mechanism. Correct Answer: both A and C. |
Which of the following is a basic component of every feedback control loop? | sensor mechanism, integrating center, effector, feedback |
Which of the following may put one at risk for developing a given disease? | Environment, Stress, Lifestyle Correct Answer: All of the above |
Epidemiology is the study of the _____ of diseases in human populations. | occurrence, distribution, transmission Correct Answer: All of the above are correct |