BIOL 1106: EXAM 3
55 Cards in this Set
| Front | Back |
|---|---|
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Waterproofing of skin is due to:
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keratin
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Which is the most numerous kind of gland in the skin?
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eccrine
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Psoriasis is due to:
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excessive growth of the stratum basal
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Basal cell carcinoma is the most common of skin cancers, and the most malignant.
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false
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Which vitamin is produced by the integument?
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vitamin d
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Sensory receptors are located in the epidermis.
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false
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The epidermis originates from the___tissue, the dermis originates from the___tissue.
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epithelial; connective
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Dermal papillae give rise to:
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fingerprints
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Artificial skin is produced by a combination of:
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collagen from cowhide and polysaccharides from shark cartilage
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Integument consists of the epidermis, dermis, and the hypodermis.
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false
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Lysozyme is produced by integument and is a
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bactericide
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Largest organ of the body is:
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integument
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Rigor mortis occurs because the binding of an ATP molecule is needed for:
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myosin release
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Muscle is in a relaxed state due to the presence of the:
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h-band
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What is the functional unit of a muscle?
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sarcomere
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During muscle contraction, calcium binds to:
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troponin
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Influx of what ion is responsible for depolarization?
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sodium
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Reason that your muscles contract as a whole unit than in cellular segments is due to the action of the:
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t-tubules
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A lack in functionality in___unables you to relax your muscles.
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acetylcholinesterase
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Systemic circulation carries blood:
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to the general body circulation
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What closes the gap between open and closed circulatory systems?
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capillaries
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What structure carries blood with the highest oxygen concentration?
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pulmonary vein
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Smooth muscles don't have sliding filament concept of muscle contraction and therefore don't have bands as seen in skeletal muscle.
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false
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Vasodilation and vasoconstriction are both under our voluntary control because both processes are regulated by skeletal muscles.
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false
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What conditions stimulate ethryropoiesis?
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reduction in atmospheric pressure, such as training or vacationing at high altitudes
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Lymph forms from___and re-ernters the circulatory system___
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interstitial fluid; via the lymphatic vessel system which drains into the subclavian veins
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Atrial Natriuretic Hormone is produced by:
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the right atrium
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Arteriosclerosis could result in the production of:
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thrombi
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Cholesterol is a___, synthesized in the___, and___.
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steroid molecule; liver; is not produced by plants
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Wuchereria bancrofti is the organism that causes:
|
elephantiasis
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Insects have tracheal system of respiration and lungs are located at base of Malpighian tubules.
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false
|
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What best explains the negative effect of acid rain on the efficiency of cutaneous respiration?
|
fick's law
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Surface area of our alveolar system is about the same surface area as:
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raquetball court
|
|
Epiglottis protects:
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trachea when swallowing food
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What gas has the potential to not only react with water molecule, but also has reaction enhanced by enzyme___.
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CO2; carbonic anhydrase
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Releasing carbon dioxide from tissues and transporting it back to the alveoli is accomplished in___ways. Most CO2 is carried as___in the___.
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three; bicarbonate ion; plasma
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Chloride shift replaces:
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bicarbonate ion
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What molecule has the highest affinity for oxygen?
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myoglobin
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Shallow water blackout is caused by:
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too little CO2
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Digestion begins in the:
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mouth
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The pyloric sphincter is between the___and___.
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stomach and small intestine
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In the stomach, the HCL is produced by the___, and the very high acidity___.
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parietal cells; kills most microorganisms
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The Bhor Shift explains:
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the release of extra O2 with an increase in H+ concentration
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Leptin is produced by the:
|
adipose cells
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What type of diabetes is caused by an autoimmune response?
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type 1
|
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What type of diabetes is related to a less than healthy nutritional lifestyle and can be prevented?
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type 2
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The caloric value is determined by:
|
a bomb calorimeter
|
|
Coprophagy:
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feeding of feces a second time to digest microphobes that are digesting the cellulose that didn't get digested on the first pass through digestive tract
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Carboxypeptidase would be produced by the___and would attack___.
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pancreas; the carboxyl end of a polypeptide
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Absorption is enhanced by___and absorption through lumen of SI occurs through___.
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villi; capillary system in each villus, as well as a lacteal
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What stimulates the desire to eat?
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high levels of ghrelin
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Vitamin K is important in___, and is also produced in our digestive tracts by___.
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blood clotting; bacteria
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What do right atrium, endothelial cells of blood vessels, and adipose cells have in common?
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they all produce hormones
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Protein diets are good because excess protein not needed by the body is unable to be used and is excreted from body in urine.
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false
|
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One would want to focus on foods that have a high glycemic valus, it provides quick energy fast so one doesn't go hungry.
|
false
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BIOL 1106: EXAM 3