AP as exam 1
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- you are a reductionist studying exocrine glands. you assume them to be present at the organism level of organzation of the human body. you investigate further and find them present at the organ system level and the organ level of organization. how many
- 2
- removing a glucose molecule from glycogen is an example of
- positive entropy
- ABO blood group antigens are located in teh glycocalyx of red blood cells
- true
- which of the following is not true of simple squamous epithelium
- it is called a mesothelium when it is found lininjg the inside of a blood vessel
- which of the following strata is a component of the malpighian layer in thick skin
- germinativum
- glucose monomers enter your muscle cells via
- facilittated diffusion
- the tissue that a tendon is composed of is called
- dense regular collagenous connective tissue
- all of the molecules of our body are destined and determine to drift of to randomness. which of the following concepts are we constantly fighting against to delay this:
- entropy
- hydrogen bonds are most similar to....becuase they also....
- ionic bonds: are held together by an electrostatic interaction between atoms
- the NA K ATP pase pumps three sodium ions extracellulary for every two K ions it pumps intracellulary
- TRUE
- if a child has low activity of the UV snesistve enzyme, tyrosinase, they probably
- have light colored skin
- which of the following components of a juntional complex is located closest to the apical side of an epithelial cell
- tight junction
- the NA K pimps three NA ions extracellulary for every two K ions it pumps intracellulary
- true
- if a child has low activity of the UV sensitive enzyme tyrosinase, they probably
- have light colored skin
- which of the following components of a junctional complx is located closest to the apical side of an epithelial cell
- tight junction
- a mesentery is composed of two layers of visceral peritoneium
- true
- the many dissolved electrolytes in blood do all of the following except
- decrease teh osmotic potential of blood THEY DO-make blood capable of carrying electrical currents, keep blood volume high and make blood hypertonic
- all of the following are vidence for mitochondria being bacter except
- their inner membrane is nearly identical to that of cyanobacteria
- the epithelium that most closely resembles the lining of the anus is
- the epithelium lining the mouth
- a multicellular exocrine gland that has a branched duct and a branched secretory portion of composed of grape like structures would best be classified as
- compound alveolar
- which of the following statements is FALSE regarding the abdominopelvic regions
- the epigastric region is inferior to the hypogastric region what is true... the lumbar region is caudal to the hypochondriac region. the hypogastric region is medial to the iguinal region. the hypochondriac region is lateral to teh epigastric region.
- all of the following are true regardng teh bicarbonate buffer system except
- an increase in cellular respiration will drive the equation to the right
- membrane proteins are classified by their position or by their function. which of the following is a functional classification of membrane proteins
- anchoring protein
- all of teh following are located in RETE apparatus EXCEPT
- dermatoglyphs Merkel cells, basement membrane and meissners corpuscles are
- cartilage grows appositionally via chondrocytes in lacunae dividing by mitosis and formingh isogenous groups
- false
- all of the following are true regarding teh homeostatic regulation of body temperature EXCEPT
- efferent information is sent from the receptor to the control center. what is true-the hypothalamus functions much like the thermostat in your house. it is controlled by negative feedback. vasodilation of blood vessels leads to a decrease in body temperature
- anabolic and catabolic reactions are couled together by
- cellular ATP
- all carrier mediated transport mechanisims require the input of ATP to move a molecule against its concentration gradient
- FALSE
- the tissue parietl to the dermis of the skin is composed of...
- keratinized stratified squamous epithelium
- histamine causes....and heparin causes....
- inflammation: anticoagulation
- the apical surface modifications found in teh epithelium of the cells lining the small intestine contain microfilaments for structural support
- TRUE
- the NA K pumps utilizes....of all the ATP made by the body
- one third
- all of the following are true regarding a cell that is hypertonic to its surronding solution except
- the cell will crenate. what is true-the extracellular fluid contains less solutes than the intracellular fluid. the intersitiatl fluid has a lower osmotic potential than the cytosol. water will enter the cell via aquaporins
- all of the following reger to the parietal lining of the lungs EXCEPT
- endothelium. what does refer to the parietal lining of the lungs-simple squamous epithelium. serous membrane. visceral pleural membrane
- which of the following embryonic germ layers gives rise to blood
- mesoderm
- a brush border is composed of
- microvilli
- all of the followingh are negative feedback responses to an increase in blood glucose levels except
- glycogen phosphorylsis what is-cellular respiration. secretion of insulin from the pancreas into the plasma. diffusion of glucose from plasma to interstitial fluid
- all of the following are cells located in the inner cell layer of a perichondrium EXCEPT
- fibroblast. what is-chondroblast. mesenchymal cell, chondrogenic cell.
- typical cells of the human body are....in diameter and have.....surface area to volume rations
- 10um: large
- the internal lining of a blood vessel is called
- endothelium
- the most common type of catabolic reaction occuring in our bodies is a
- hydrolysis reaction
- which of the following is not ture of pseudostratified columnar epithelium
- all of the nuclei of the clels are in a nice row and shifted towards the basal side of the cells. what is-it is commonly found in the upper resp. tract like in the trachea and the bronchi. all cells are attached to the basement membrane. it commonly contains apical surface modifications that are supported by cilia.
- which of the following separates the body into anterior and posterior halves
- frontal section
- proteins that are designed to transport a lipid molecule in the blood must be
- amphipathic
- which of the following is true of a cell with a resting membrane potential
- making the cytosol more positive will depolarize the cell
- goblet cells are unicellular exocrine glands
- true
- in which of the following levels of proteins strucutre do you first find hydrogen bonds
- secondary structure
- the "oil spill" in the epidermis is found ontop of which of the following strata
- granulosum
- the majority of the R groups of a peripheral membrane protein are
- hydrophillic
- the most abundant cartilage in teh human body is
- hyaline cartilage
- which of the following body cavities is not in contact with mediastinum
- peritoneal cavity what are-pleural cavity. thoracic cavity. pericardial cavity
- true or false? a hypotonic cytoplasm has a low osmotic potential
- true
- the difference between normal phsiological blood ph and a ph of 6 is about
- 20
- what is similar from all of the following except? intersitial fluid, extracelllular matrix, extracellular fluid and intracellular fluid
- intracellular fluid
- the small intestine is externally lined by
- visceral peritoneum
- true or false? the phospholipid bylayer membrane itself is permeable to small non polar molecules?
- true
- which of the following is responsible for neutralizing free radicals
- peroxisomes
- which of the following is NOT a type of connective tissue proper?
- mesenchyme- dense regular collagenous, areolar and reticular are
- the extracellular matrix of conenctive tissue is composed of ground substance and fibers? true or false
- true
- if a 20% glucose solution is separated from a 10% glucose solution by a membrane that is permable to both glucose and water:
- water would move from the 10% solution to the 20% solution
- all of the following are avascular except
- dense regular connective tissue. epidermis of skin, cartilage matrix and bone matrix all are
- the main reason that the skin on the palm of your hand is so much thicker than the skin on your wrist is because teh skin on the palm of your hand has five stratums of cells while the skin on your wrist only has four.
- FALSE