click below
click below
Normal Size Small Size show me how
WEEK 7
Anatomy week 1-7
| Question | Answer |
|---|---|
| The contraction of the uterus during the birth of a baby is an example of _____ feedback. | positive |
| Of the 11 major body systems, which is the least involved in maintaining homeostasis? | Reproductive |
| Which of the following is a protein substance with no DNA or RNA and is thought to be the cause of mad cow disease? | Prion |
| If one side of a DNA molecule is CTAGGCTG, the other side would be: | GATCCGAC |
| Which of the following is not true of both triglycerides and phospholipids? | They both contain a hydrophobic and hydrophilic end. |
| Two solutions of different concentrations of glucose are separated by a membrane that allows both glucose and water to pass through. When dynamic equilibrium is reached, there will be: | an even exchange of material across the membrane. |
| Materials can be moved from a low concentration to a high concentration through: | active transport. |
| Twenty-three chromosomes per cell in humans is referred to as: | haploid. |
| 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. |
| The physical process by which water and solute move through a membrane when a hydrostatic pressure gradient exists across the membrane is the process of: | filtration. |
| Which of the following is not a characteristic of muscle tissue? | Cells are separated by a large quantity of extracellular matrix |
| Which of the following is not a function of the skin? | Synthesis of vitamin E |
| After the age of 50, the density of bone: | decreases slowly because of a shift in the remodeling activity. |
| The first event to occur in muscle relaxation is that: | the sarcoplasmic reticulum begins actively pumping calcium back into its sacs. |
| The ability of muscle cells to respond to nerve stimuli is called: | irritability |
| Severe depression can be caused by a deficit in certain brain synapses of: | amines |
| There are two types of synapses—the electrical synapse and the __________ synapse. | chemical |