Why is the temporomandibular joint considered to be a second-class lever?
A. It has a mechanical advantage of 1.0 or less.
B. The force is in the middle.
C. The effort arm is longer than the resistance arm.
D. The fulcrum is in the middle.
E. The resistance is in the middle.
Answer: E
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Which of the following is a function of the seminal fluid?
A) activation of spermatozoa B) production of sperm C) buffering the urethra and vagina D) providing the nutrient needed for sperm motility E) None of the answers are correct.
Define Dalton's law
A) Dalton's law states that in a mixture of gases, the individual gases exert a pressure proportional to their abundance in the mixture. B) Dalton's law states that at a given temperature, the amount of a particular gas that dissolves in a liquid is directly proportional to the partial pressure of that gas, which underlies the diffusion of gases between capillaries and alveoli, and between capillaries and interstitial fluid. C) Dalton's law states that at a constant temperature, the pressure of a gas is inversely proportional to its volume. D) Dalton's law states that at a constant temperature, the pressure of a gas is directly proportional to its volume. E) Dalton's law states that at a given temperature, the amount of a particular gas that dissolves in a liquid is inversely proportional to the partial pressure of that gas, which underlies the diffusion of gases between capillaries and alveoli, and between capillaries and interstitial fluid.
Which blood component is NOT correctly matched with its function?
A. Platelets - phagocytize bacteria B. Monocytes - become macrophages C. Plasma proteins - maintain blood osmotic pressure; involved in clotting D. Erythrocytes - transport oxygen E. Leukocytes - protect against disease
Which of the following medications is/are used for treatment of opioid dependence?
a. Remifentanil b. Methadone c. Buprenorphine/Naloxone (Suboxone) d. Levorphanol e. B and C f. B, C, and D