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
Jordan Adcock
Physiology Weeks 1-6
| The contraction of the uterus during the birth of a baby is an example of _____ feedback. | positive |
| Which of the following is not one of the basic components in a feedback control loop? Effector mechanism Transmitter Sensor Integrating center | transmitter |
| Of the 11 major body systems, which is the least involved in maintaining homeostasis? Circulatory Endocrine Lymphatic Reproductive | reproductive |
| Which of the following may put one at risk for developing a given disease? Environment Stress Lifestyle | all of the above |
| The body’s thermostat is located in the: | hypothalamus. |
| Pathogenesis can be defined as: | the course of disease development. |
| Negative-feedback control systems: | oppose a change. |
| Homeostasis can best be described as: | a state of relative constancy. |
| Of the pathogenic organisms, which of the following are the most complex? Viruses Tapeworms Bacteria Protozoa | tapeworms |
| If the secretion of oxytocin during childbirth operated as a negative-feedback control loop, what effect would it have on uterine contractions? | Oxytocin would inhibit uterine contractions. |
| Prostaglandins and steroids share which of the following characteristics? | Both have a ring structure in their molecule. |
| Which of the following is not true of RNA? It contains ribose sugar. It contains adenine. It is composed of smaller molecules called nucleotides. All of the above are true of RNA. | all of the above |
| The term glycoprotein, a combination of two words, tells you that the compound is made of _____, with _____ being the dominant component. | carbohydrate and protein; protein |
| Which energy-releasing or energy-transferring molecule does not contain a nucleotide? | Creatine phosphate |
| The type of lipoprotein associated with “bad” cholesterol and the production of atherosclerotic changes in blood vessels is: | LDL |
| Which of the following is not true of both triglycerides and phospholipids? They both contain glycerol. They both contain fatty acids. They both contain a hydrophobic and hydrophilic end. All of the above are true | They both contain a hydrophobic and hydrophilic end. |
| The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are: | steroids. |
| Unsaturated fats: | will kink or bend because of the double bonds between the carbon atoms. |
| The alpha helix is an example of which level of protein structure? | Secondary |
| The amino group in an amino acid is: | NH3+. |
| When two molecules of glucose are joined, they form which disaccharide? | Maltose |
| 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. |
| All of the following are examples of passive transport except: filtration. osmosis. endocytosis. dialysis. | endocytosis |
| 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 saline solution that contains a higher concentration of salt than a red blood cell would be: | hypertonic. |
| Which is true about the sodium and potassium pump?Two sodium ions are taken into the cell. Three sodium ions are taken out of the cell. Three potassium ions are taken into the cell. Two potassium ions are taken out of the cell | Three sodium ions are taken out of the cell. |
| A sequence of three bases forms a(n): | codon |
| All of the following occur as a result of meiosis except: chromosome number remains at 46. primitive sex cells become mature gametes. the cells become haploid. meiosis occurs in two steps. | chromosome number remains at 46. |
| Materials can be moved from a low concentration to a high concentration through: | active transport. |
| The small water channels in the cell membrane are called: | aquaporins. |
| 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: | osmosis |
| The pairing of bases of a strand of DNA is obligatory. If a strand of DNA were composed of the base sequence of ATCG, what would be the obligatory sequence of its opposing base pairs? | TAGC |
| During which stage of mitosis do the centrioles move to the opposite poles of the cell? | Prophase |
| In what area of the body would you expect to find an especially thick stratum corneum? | Sole of the foot |
| Which of the following is not a characteristic of muscle tissue? Cells are specialized to contract Produces movement for the body Generates heat for the body Cells are separated by a large quantity of extracellular matrix | Cells are separated by a large quantity of extracellular matrix |
| Which of the following is not a function of adipose tissue? Insulates to conserve body heat Defends the body from microbes and injurious substances Supports and protects the kidneys Stores excess food | Defends the body from microbes and injurious substances |
| Connective tissue forms from stem cell tissue called: | mesenchyme |
| What structure is formed by the union of the basal and reticular lamina? | Basement membrane |
| Basement membrane is composed of molecules made by _____ tissue. | connective epithelial |
| Which cells help destroy pathogens and damaged tissue in the brain? | Microglia |
| Which type of tissue has the greatest capacity to regenerate? | Epithelial |
| The hypodermis: | connects the dermis to underlying tissues. |
| Which cells electrically insulate axons to increase the speed of conduction? | Oligodendrocytes Schwann cells |
| Which of the following is not a characteristic of connective tissue? Typically holds its cells together tightly by means of desmosomes Protects the body from foreign invaders Supports the body Transports substances throughout the body | Typically holds its cells together tightly by means of desmosomes |
| Mucous membranes are important because they lubricate and protect passageways. | True |
| Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? | Astrocytes |
| An age-related skeletal disease that is characterized by loss of bone mineral density and increased bone fragility is | osteoporosis. |
| In bone growth, the medullary cavity is enlarged because of the activity of: | osteoclasts. |
| Hematopoiesis is carried out in the: | red bone marrow. |
| A condition that is caused by an abnormally increased roundness in the thoracic curvature is | kyphosis. |
| If the cribriform plate is damaged, there is a chance of: | infectious materials passing from the nose to the brain. |
| Which of the following is not a characteristic of the epiphyses? Made of spongy bone Cylindrical in shape Contain red bone marrow All of the above are characteristics of the epiphyses | Cylindrical in shape |
| Which of the following may cause skeletal variations? Inadequate supply of calcium and vitamin D Mechanical stress Age All of the above may cause skeletal variations | all of the above |
| Which structures are unique to the fetal skull and provide additional space for molding the head shape as the baby passes through the birth canal? | fontanelles |
| During childbirth, a baby passes through an imaginary plane called the: | pelvic outlet. |
| Appositional growth of cartilage occurs when chondrocytes begin to divide and secrete | additional matrix. |
| Before childbirth, the symphysis pubis softens. | true |
| The humerus articulates proximally with the | scapula |
| Calcification of the organic bone matrix occurs when | complex calcium salts are deposited in the matrix. |
| Which structure functions to temporarily store calcium ions? | Sarcoplasmic reticulum |
| Tilting the foot upward, decreasing the angle between the top of the foot and the front of the leg, is called: | dorsiflexion |
| A condyloid joint is an example of a(n) _____ joint. | biaxial |
| Stretching the foot down and back and pointing the toe is called: | plantar flexion. |
| Aerobic respiration: | produces the maximum amount of energy available from each glucose molecule. |
| Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? | Isometric |
| The ability of muscle cells to respond to nerve stimuli is called: | irritability. |
| Rotator cuff surgery is performed quite commonly on professional baseball players, especially pitchers. Evidently, the throwing motion places enormous stress on the: | shoulder. |
| Which of the following is not an end-product of the breakdown of ATP? An inorganic phosphate Energy that can be used in muscle contraction ADP All of the above are end-products of the breakdown of ATP. | all of the above |
| 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 |
| An example of a hinge joint is(are) the: | interphalangeal joints. |
| The opposite of eversion is: protraction. depression. retraction. none of the above. | none of the above, inversion is the opposite |
| Kicking a football is accomplished by knee: | extension. |
| After it is released from the sarcoplasmic reticulum, the calcium combines with which protein? | Troponin |
Created by:
jordanadcock
Popular Physiology sets