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Unit 2 & 4 Review
Terms in this set (121)
blood pressure is highest here.
the process responsible for most mixing in the small intestine is called
the fluid in the glomerular capsule is known as
______-, which is secreted by_______ cells, is necessary for vitamin B12 absorption
intrinsic factor, parietal
the internal urethral sphincter is _____. the external urethral sphincter is _____.
cardiac output can be increased by all of the following except one. choose the exception.
parasympathetic stimulation increasing heart rate
which of the following is a direct result of antidiuretic hormone?
decreased urine volume
both pancreatic juice and bile are secreted into the duodenum
the process of separating wastes from the body fluids and eliminating them is called
the function of hemoglobin is to
excessive urine output is called
the digestive system processes food, extracts nutrients and eliminates the residue
normal urine from a healthy person can be expected to contain all of the following except
glucose, ammonia & magnesium
chemical digestion breaks down _______ into ________
proteins, amino acids
pulmonary ventilation refers to the
movement of air into and out of the lungs
pancreatic amylase are secrete in response to the hormone
which feature helps protect the stomach lining from digesting itself?
The amount of air in excess of tidal volume that can be inhaled with maximum effort is called
inspiratory reserve volume
what are the three phases of capillary exchange?
diffusion, filtration, osmosis
the second heart sound is due to the _____ valves closing
These are all possible circulatory routes from the heart except
heart, arteries,capillary bed, vein,capillary bed, arteries, heart
the ______ reflex stimulates the voiding of urine
both chemical and mechanical digestion start in the mouth and continue in the stomach
Glucose and amino acids are reabsorbed from the glomerular filtrate by?
proximal convoluted tubule
what is the correct order of occurrence for digestion?
cephalic phase-gastric phase-intestinal phase
as blood travels from arteries to veins.
what is the only indispensable function of the stomach?
intrinsic factor production
Waves of muscular contractions that propel the contents of the digestive tract are called
______________ have the thickest tunica media
which organ system does not excrete wastes?
the cardiovascular system
during ventricular systole, the
AV valves are closed
the _______ is the pacemaker that initiates each heart beat.
contracting the diaphragm increases thoracic cavity ________ and decreases thoracic cavity _________. this results in __________.
_________ is a condition in which the oxygen-carrying capacity of the blood is reduced .
bile is produced by the ______, stored in the _________ and used in the _____.
liver, gallbladder, duodenum
carbohydrate digestion begins in the ________, whereas protein digestion begins in the ___________.
Which of these nutrients is absorbed by the lacteals of the small intestine?
As the filtrate passes through the renal tubules, approximately what percentage is reabsorbed and returned to the circulation?
the pulmonary circuit is the only route in which arteries carry less oxygen than veins
which of the following does not promote water conservation?
most of the oxygen transported by the blood is
bound to hemoglobin
a byproduct of protein catabolism, ________ constitutes approximately one-half of all nitrogenous waste.
depolarization of the ventricles is represented on an electrocardiogram by the
what are the three phases of deglutition?
oral, pharyngeal, esophageal
the process of filtration occurs at
which of the following is not an organ of the urinary system?
in people who stand for long periods, blood tends to pool in the lower limbs and this may result in varicose veins. varicose veins are caused by
failure of the venous valves
the cardiovascular system contains the
heart, pulmonary and systemic circuits
the partial pressure of carbon dioxide in the interstitial space of peripheral tissues is
the principal muscle of pulmonary ventilation is (are) the
conducting system sequence
Bacterial flora carry out all of the following except
digest most of the proteins we get in the diet
the average adult produces approximately _____ of urine per day.
__________ belong to the pulmonary circuit
Pulmonary arteries and pulmonary veins
choose the correct flow of fluid through the nephron
renal corpuscle, pct, nephron loop, duct, collecting duct
which is not a function of the kidneys?
They release waste into the bloodstream.
sympathetic stimulation of the heart will increase heart rate and stroke volume, therefore ______ cardiac output
a build up of CO2 and lactic acid within a tissue would trigger what type of control mechanisms blood vessels to alleviate the problem?
the heart is innervated by ________ nerves.
both parasympathetic and sympathetic
the forceful ejection of stomach contents from the mouth is known as?
the partially digested food located in the stomach is known as?
When the left ventricle contracts, the __________ valve closes and the __________ valve is pushed open.
the force that moves fluid out of capillaries is _________ pressure whereas the opposing force that moves fluid into capillaries is ________ pressure.
each of the following is a major class of joints except
Watery perspiration is an example of a(n) ________ secretion.
These cells stand guard against toxins, microbes and other pathogens.
recruiting more and larger motor units for contraction will ______________ the strength of muscle contraction.
At rest, active sites on the actin are blocked by
What fatty substance would you find dominating the medullary cavity of an adult humerus?
yellow bone marrow
triggering of the muscle action potential occurs after
acetylcholine binds to chemically gated channels in the post synaptic membrane
osseous tissue is a(an) tissue
in endochondrial ossification, the precursor connective tissue is __________, which is replaced by bone.
__________ is the process of dissolving bone and retiring its minerals to the bloodstream.
________ are the most moveable joints
the proximal and middle phalanges form ________- joints
A bone is covered externally with a sheath called ______________, whereas the internal surface is lined with _____________.
freckles are localized concentrations of hemoglobin
Most of the bones of the skull are connected by immovable joints called
in an isometric contraction
tension rises and falls but the length of the muscle remains constant
normal chewing in humerus involves ___________ of the mandible
elevation and depression
the cause of skin discoloration that most likely suggests physical abuse is ___________.
covered with articular cartilage, the distal and proximal portions at each
________ is/are formed partly from the secretions of glands in the external ear canal.
the protein that acts as a calcium receptor in skeletal muscle is
Albinism is the genetic lack of melanin that results in a milky white coloration of the skin.
Release of acetylcholine at a neuromuscular junction
increases permeability of the sarcolemma to Na+
which of the following activities would increase a muscles resistance to fatigue?
training for a marathon
mature bones add surface area throughout life by employing
the cells that deposit bone matrix are called _________
a pilus is another name for
calcitriol is derived from
the types of muscle tissue include all of the following except
there are all types of cells found in the epidermis except
the action potential is conducted into a skeletal muscle fiber by
raising the arms to each side of the body to form the letter "T" is an example of _________ of the shoulder.
Unlike other joints, a __________ does not join two bones to one another.
hair grows by ______ in the hair _____
In response to action potentials arriving along the transverse tubules, the sarcoplasmic reticulum releases
the oil of your scalp is secreted by ______ glands associated with the hair follicles.
melanin, hemoglobin and carotene give color to the skin
when ______ become enclosed in lacunae, they become cells called_______
the _____ is a transitional zone/region at each end of the primary medullary cavity where, in children hyaline cartilage
intramembranous ossification is responsible for the formation of the
flat bones of the skull
the plasma membrane of skeletal muscle is called the
the skin does not include the
Embarrassment can be perceived by an abnormal coloration of the skin called cyanosis.
pulling your thigh back as if you're prepping to kick a ball is _____ of the hip
the ____ are a source of sex pheromones
moving the soles of your feet medially so they are facing each other is called.
Each skeletal muscle fiber is controlled by a motor neuron at a single
This layer of the epidermis consists of up to 30 layers of dead cells.
The narrow space between the synaptic terminal and the muscle fiber is the
Bilirubin causes a skin discoloration called
the most important factor in decreasing the intracellular concentration of calcium ion after contraction is
active transport oc calcium into the sarcoplasmic reticulum
when you hold your hands out in front of you with palms up,_________ of your wrists will tip your palms toward you.
phosphate is a component of all of the following compounds except
a(n) _________ is a sac of fluid associated with a synovial joint
trabeculae are found in
interactions between actin
what is a side effect of the shoulder's mobility?
susceptibility to dislocation
the neurotransmitter that is excitatory for skeletal muscles is called.
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