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A&P exam 1
study questions for exam 1 ch 1-3
| Question | Answer |
|---|---|
| Histology would be best defined as a study of: | tissues |
| The study of the heart may incorporate many aspects of anatomy but as a whole you would say it is _______ anatomy. | gross |
| An increased rate of breathing as a result of increased buildup of carbon dioxide in the bloodstream would be best described as an example of: | excretion of metabolic waste |
| Average body temperature is ___ degrees centigrade. | 37 |
| If you consider your home air conditioner in terms of homeostasis, then the wall thermostat would be the _______. | control center |
| What is the main, general purpose of negative feedback? | to maintain homeostasis |
| What is the specific name for the hip region? | coxal |
| An oblique cut is one that is cut ______. | diagonally between the vertical and horizontal |
| The heart lies in the _____ .cavity | pericardial |
| The cavities housing the eyes are called ____ cavities. | orbital |
| A structure that is composed of two or more tissues would be a(n) __________. | organ |
| ________ cavities are spaces within joints. | synovial |
| What would not be a functional characteristic of life? | decay |
| Which term means toward or at the back of the body, behind? | dorsal |
| The single most abundant chemical substance of the body, accounting for 60% to 80% of body weight, is _______. | water |
| What is the posterior side of the patella called? | popliteal |
| What is true concerning feedback mechanisms? | Negative feedback mechanisms work to prevent sudden severe changes within the body. |
| The anatomical position is characterized by all of the following except ____. arms at the side, body erect, thumbs pointed laterally, palms turned posteriorly. | palms turned posteriorly |
| A good example of positive feedback mechanism would be: | enhancement of labor contractions |
| What describes a parasagitall plane? | any sagittal plane except the median |
| Which of the following organs or structures would be found in the left iliac region? | intestines |
| The parietal pleura would represent a serous membrane ______. | lining the thoracic cavity |
| Which one of the following systems responds to environmental stimuli? nervous, lymphatic, muscular, or immune | nervous |
| Choose the anatomical topic and def that is NOT correctly matched. | cytology: study of the structures in a particular region. |
| Homeostasis is the condition in which the body maintains _____. | a relatively stable internal environment, within limits. |
| In which cavities are the lungs located? | pleural, ventral, and thoracic |
| Choose the following statement that is NOT completely correct regarding serous membranes. | Visceral pericardium covers the surface of the heart, and parietal pericardium lines the walls of the heart. |
| Place the following in correct sequence from simplest to most complex: molecules, atoms, tissues, cells, organ | atoms, molecules, cells, tissues, organ |
| Which of these is not part of the dorsal cavity? cranial cavity, vertebral cavity, thoracic cavity, spinal cord | thoracic cavity |
| In which abdominopelvic cavity is the stomach located? | left upper |
| Which of the following statements is the most correct regarding homeostatic imbalance? | It is considered the cause of most diseases. |
| Subdivisions of anatomy include which of the following? | gross, regional, systemic, and surface |
| The term pollex, refers to the _____. | thumb |
| The dorsal body cavity is the site at which of the following? intestines, brain, liver, lungs | brain |
| Select the most correct statement. | The immune system is closely associated with the lymphatic system. |
| One of the functional characteristics of life is irritability. This refers to _____. | sensing changes in the environment and then reacting or responding to them. |
| Which of the following are survival needs of the body? a. nutrients, water, movement, reproduction b. nutrients, water, atmospheric pressure, and oxygen. c. water, atmospheric pressure, growth and movement. d. nutrients, water, growth, and reproductio | nutrients, water, atmospheric pressure, and oxygen. |
| The anatomical position is used: | as a standard reference point for the directional terms regardless of the actual position of the body. |
| What is a vertical section through the body, dividing it into anterior and posterior regions called? | frontal |
| What is a vertical section through the body dividing it into left and right, called? | sagittal |
| Which body cavity protects the nervous system? | dorsal |
| Which describes the operation of the heart and blood vessels? | cardiovascular anatomy |
| Which of the following elements is necessary for proper conduction of nervous impulses? I, P, Fe, Na | Na |
| Choose the statement that is false. | A key feature of the body's metabolism is the almost exclusive use of exergonic reactions by the body. |
| In general, the lipids that we refer to as oils have, | a high degree of unsaturated bonds. |
| The genetic info is coded in the DNA by the | sequence of the nucleotides |
| What is not true of proteins? | They appear to be the molecular carriers of the coded hereditary information. |
| The single most abundant protein in the body is | collagen |
| Carbohydrates are stored in the liver and muscles in the form of: | glycogen |
| What describes conenzymes? | organic molecules derived from vitamins |
| What is not a role of molecular chaperonins? | act as a biological catalyst |
| A chemical reaction in which bonds are broken is usually associated with: | the release of energy |
| Salts are always | ionic compounds |
| The numbers listed represent the number of electrons in the first, second, and third energy levels respectively. On this basis which of the following is an unstable or reactive atom? 2, 8,1 2,8 2 2,8,8 | 2,8,1 |
| A solution that has a ph of 2 could best be described as being: | acidic |
| Which of the following is the major positive ion outside cells? sodium, potassium, nitrogen, hydrogen | sodium |
| Which of the following would be regarded as an organic molecule? NaOh, H20, CH4, NaCl | CH4 |
| What is a chain of 25 amino acids called? | polypeptide |
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