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HUMAN PHYSIOLOGY
weeks 1-6
| Question | Answer |
|---|---|
| out of the 11 major body systems, which is the least involved in maintaining homeostasis? | reproductive |
| the normal reading or range of normal is called the: | set point |
| the body's thermostat is located in the: | hypothalamus |
| the term that literally means self-immunity is: | autoimmunity |
| a structural lipid found in the cell membrane is a: | phospholipid & steroid |
| the amino group in an amino acid is: | NH3+ |
| humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must be included in the diet, are called: | essential amino acids |
| which lipid is part of vitamin D? | steroids |
| materials can be moved from a low concentration to a high concentration through: | active transport |
| diffusion of particles through a membrane by means of a carrier molecule is called: | facilitated diffusion |
| twenty-three chromosomes per cell in humans is referred to as: | haploid |
| an individuals entire set of DNA can be referred to as a: | genome |
| the hypodermis: | connects the dermis and the epidermis |
| connective tissue forms from stem cell tissue called: | mesenchyme |
| the type of tissue that contains cells called neurons is called: | nervous |
| which tissue is most likely to form a keloid scar as it heals? | connective |
| which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? | astrocytes |
| normally, bone loss will begin to exceed bone gain between the ages of: | 35 and 40 |
| an age-related skeletal disease that is characterized by loss of bone mineral density and increased bone fragility is: | osteoporosis |
| the cells responsible for active erosion of bone minerals are called: | osteoclasts |
| the human hand has greater dexterity than the forepaw of any animal because of the freely movable joint of the: | thumb |
| which type of joint joins the two public bones together? | symphysis |
| the opposite of dorsiflexion is: | plantar flexion |
| white fibers are also called: | fast fibers |
| cross-bridges are also called: | myosin heads |
| the ability of muscle cells to respond to nerve stimuli is called: | irritability |
| attempting to pick up an object too heavy to lift would result in what type of muscle contraction? | isometric |