Shared Flashcard Set

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Final questions
Stuff to know for End of Schooling
174
Medical
Undergraduate 1
07/17/2024

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Cards

Term
What is the functional/structural unit of the compact bone?
Definition
Osteon
Term
What type of bones are carpals?
Definition
Short
Term
Where are most long bones found in the body?
Definition
Limbs
Term
Which of the following bone markings forms a joint?
Definition
Condyle
Term
Which of the following is the location of short bones?
Definition
Wrist
Term
What is the anatomical name for the shaft of a long bone?
Definition
Diaphysis
Term
Where are the Carpals found?
Definition
Wrists
Term
What is the anatomical name for the end of a long bone?
Definition
Epiphysis
Term
What is the function of yellow bone marrow?
Definition
Storage site for fat
Term
What bone class do the ribs and skull bones fall into?
Definition
Flat
Term
Passageways connecting neighboring osteocytes in an osteon are
Definition
Canaliculi
Term
What is the importance of canaliculi?
Definition
Serves as the transportation system in bones
Term
What 2 fracture types are particularly common in older people?
Definition
Comminuted and compression
Term
Which of the following is part of the axial skeleton? Mark all that apply
Definition
Bony thorax, skull, Vertebral column
Term
Which of the following would you expect to be prominent in osteoclasts?
Definition
Lysosomes
Term
Johnny was exercising the only joints in the skull that are freely movable. What was he doing? mark all that apply
Definition
Talking and eating
Term
If osteoclasts are more active than osteoblasts then
Definition
Bones will become weaker
Term
Which of the following is a region of the vertebral column? mark all that apply
Definition
Lumbar, Cervical, and thoracic
Term
Which bones are connected by the saggittal suture?
Definition
Parietal to parietal
Term
Which is more important in maintaining properly high blood calcium levels?
Definition
PTH (parathyroid hormone)
Term
Bones begin as either:
Definition
Membranes or cartilage
Term
Which skull bone forms the Keystone of the face?
Definition
Maxilla
Term
Bone that does not articulate with the sphenoid is which?
Definition
The Mandible
Term
Bone pain behind the external acoustic meatus probably involves the:
Definition
Temporal Bone
Term
What are the functions of joints? Mark all that apply
Definition
Allow flexibility of body and connect bones together
Term
Which of the following bones are part of the hip bone
Definition
Pubis, Ilium, Ischium
Term
What two bones form the skeletal leg?
Definition
Tibia and fibula
Term
What group of bones forms the thoracic cage?
Definition
Ribs, Vertebrae, and Sternum
Term
Which bone of the arm corresponds to femur of the thigh?
Definition
Humerus
Term
Which of the following articulates with the femur?
Definition
Pubis
Term
What 2 joints of the body are ball and socket joints?
Definition
Hip and shoulder
Term
Which bones of the upper limb have a styloid process?
Definition
Radius and ulna
Term
Which of the following characterizes the true rib?
Definition
Direct attachment to the sternum
Term
Which of the following is a characteristic of the female bony pelvis?
Definition
Wider inlet
Term
What bone forms the skeleton of the arm?
Definition
Humerus
Term
90yr old lady was injured by grandson's hug. What is her condition?
Definition
Osteoporosis
Term
The point of attachment to an immovable or less movable bone is the:
Definition
Origin
Term
The gap between the axon terminal and the target cell membrane is:
Definition
Synaptic cleft
Term
Striated involuntary muscle tissue is classified as _____ muscle
Definition
Cardiac
Term
Which of the following is a function of the muscular system?
Definition
Maintain posture, Produce body heat, Respiration
Term
Which of the following is a criterion used in naming muscles?
Definition
Shape of muscle, Relative size, and action of muscle
Term
Non-striated involuntary muscle tissue found in organs is:
Definition
Smooth muscles
Term
Which of the following is an example of an isometric contraction?
Definition
Pushing against an immovable wall
Term
Which movement is involved drawing a circle with a body part?
Definition
Circumduction
Term
Muscles that perform opposite actions to one another are termed:
Definition
Antagonists
Term
Moving arms away from the midline of your body is called:
Definition
Abduction
Term
One neuron and all skeletal muscles it stimulates are known as a:
Definition
Motor unit
Term
What breaks down Acetylcholine?
Definition
Acetylcholinesterase
Term
A skeletal muscle twitch differs from a tetanic contraction in that:
Definition
Twitch is brief and "jerky" while tetanic is continuous
Term
What neurotransmitter stimulates a skeletal muscle to contract?
Definition
Acetylcholine
Term
What is the electrical current that travels down the muscle cell?
Definition
Action potential
Term
Paralysis of this requires permanent ventilation with a machine?
Definition
Diaphragm
Term
Which muscles have intercalated discs?
Definition
Cardiac
Term
Which muscles are both inspiratory and expiratory?
Definition
Rib cage muscles
Term
What condition results if muscles are not used, such as when in a cast?
Definition
Atrophy
Term
Use of which muscles at rest is a sign of respiratory distress?
Definition
Accessory muscles
Term
Which of the following muscles are antagonists?
Definition
Scalenes and internal intercostals
Term
The condition of skeletal muscle fatigue can be best explained by:
Definition
Inability of the muscle to contract even if stimulated
Term
During quiet breathing ____ are active while ____ are inactive.
Definition
Scalenes/ Sternocleidomastoids
Term
The overall effect of raising the rib cage is to assist in:
Definition
Inhalation
Term
An inherited disease that causes muscles to degenerate and atrophy is known as:
Definition
Muscular dystrophy
Term
Which does NOT compress abdomen during forced exhalation?
Definition
External intercostals
Term
What is the main function of the abdominal wall muscles group?
Definition
Forced expiration
Term
Which muscle is the prime mover in inhalation?
Definition
Diaphragm
Term
Isotonic exercise in which muscles increase in size and strength:
Definition
Lifting weights
Term
Which of the following muscles is the most important synergist to the diaphragm?
Definition
External intercostals
Term
What determines whether blood is bright red or dull red?
Definition
Amount of oxygen
Term
Little lisa is pale and fatigued. What disorder of erythrocytes might she be suffering from?
Definition
Anemia
Term
Which organ plays the main role in producing plasma proteins?
Definition
Liver
Term
The leukocyte that releases histamine and other inflammatory chemicals is the:
Definition
Basophil
Term
Which white blood cells are the most important in making antibodies for the immune response?
Definition
Lymphocytes
Term
Which are formed elements?
Definition
Platelets, Leukocytes, and Erythrocytes
Term
A child is diagnosed with sickle cell anemia. this means that:
Definition
Both parents carried the sickle cell gene
Term
Polycythemia Vera will result in:
Definition
Abnormally high blood viscosity
Term
If you had a severe infection, would you expect your WBC count to be closest to:
Definition
15,000
Term
In a person with sickle cell anemia, sickling of RBC's can be induced by:
Definition
Vigorous exercise, Stress, and Blood loss
Term
Which of the following is NOT typical of leukocytes?
Definition
The most numerous cells in the blood stream
Term
What is the role of hemoglobin in the RBC? mark all that apply
Definition

Transportation of small amounts of carbon dioxide

Transportation of oxygen

Term
What is the blood volume of an average sized adult?
Definition
About 5-6 liter
Term
Which of the following formed elements is phagocytic?
Definition
Monocytes
Term
Plasma without clotting factors is called:
Definition
Serum
Term
What is the probable result of infusing mismatched blood?
Definition
Agglutination
Term
Which would NOT lead to increased erythropoiesis?
Definition
Decreased level of physical activity
Term
What blood-related disorders are particularly common in the elderly? mark all that apply
Definition
Clotting disorders, Leukemia, Pernicious anemia
Term
What is true about albumin
Definition
Helps maintain blood pressure, transports certain molecules, is a blood buffer
Term
How does fetal hemoglobin differ from that of the adult?
Definition
HbF has a greater ability to bind oxygen
Term
What is the name of the stem cell that gives rise to all formed elements?
Definition
Hemocytoblast
Term
Which of the following cannot cause problems in transfusion reaction?
Definition
Donor antibodies attacking recipient RBC
Term
What property of RBC's dooms them to a limited life span of about 120 days?
Definition
Lack of a nucleus
Term
If an Rh- mother becomes pregnant, when can hemolytic disease of the newborn not possibly occur in the child?
Definition
If the child is Rh-
Term
What is the most common blood type?
Definition
O positive
Term
What factor enhances the risk of thrombus formation in blood vessels?
Definition
Atherosclerosis, Physical trauma, Inactivity
Term
Which of the following cells fragments into platelets?
Definition
Megakaryocyte
Term
Which of the following is the protein released by lymphocytes?
Definition
Antibody
Term
What are the classes of human blood groups based on?
Definition
Antigens
Term
A condition resulting from thrombocytopenia is:
Definition
Petechiae
Term
What is the largest artery in the body?
Definition
Aorta
Term
T/F The parts of the aorta are the Ascending aorta, aortic arch, thoracic aorta, and the abdominal aorta
Definition
True
Term
Which of the following is NOT a pulse point?
Definition
Renal artery
Term
T/F Blood Pressure is highest in the arteries and is zero in the vena cavae.
Definition
True
Term
What blood vessels carry blood away from the heart?
Definition
Arteries
Term
T/F From the innermost to outermost, the three layers of a large vessel are the tunica intima, media, and externa
Definition
True
Term
T/F Capillaries are composed only of tunica media?
Definition
False
Term
The path of blood flow within the systemic vascular system is:
Definition
Arteries, arterioles, capillary beds, venules, veins
Term
T/F Exchanges between blood and tissue cells occur in capillary beds?
Definition
True
Term
Which type of vessel only has a tunica intima layer?
Definition
Capillaries
Term
Which arteries have blue blood?
Definition
Pulmonary
Term
T/F When precapillary sphincters are closed, blood bypasses that region.
Definition
True
Term
T/F Renal veins carry oxygen-rich blood to the kidneys
Definition
False
Term
What effect does the sympathetic nervous system have on the diameter of blood vessels?
Definition
Vasoconstriction
Term
Blood from capillaries then go to
Definition
Venules
Term
The vessel that drains blood from the digestive tract organs to the liver.
Definition
Hepatic portal vein
Term
Veins have ____ to prevent the backflow of blood.
Definition
Valves
Term
Which of the following promotes vasodilation and a decrease in blood pressure?
Definition
Alcohol
Term
Veins ____
Definition
Often have valves to prevent the backflow of blood
Term
What organs are served by the renal arteries and veins?
Definition
Kidneys
Term
Pulmonary circulation involves blood flow from the heart and the:
Definition
Lungs
Term
The 2 superior receiving chambers of the heart are ____, while the 2 inferior discharging chambers of the heart are ____
Definition
Atria/ Ventricles
Term
The visceral epicardium is also called the:
Definition
Epicardium
Term
Pulmonary arteries transport:
Definition
Blood rich in carbon dioxide to the lungs
Term
The tricuspid valve is located between the:
Definition
Right atrium and right ventricle
Term
What structure divides the left ventricle from the right ventricle?
Definition
Interventricular septum
Term
The heart is in the cavity known as the:
Definition
Mediastinum
Term
Veins draining the head and arms empty into the:
Definition
Superior vena Cava
Term
The pointed inferior portion of the heart is known as the:
Definition
Apex
Term
Which valve is located between the right atrium and right ventricle?
Definition
Tricuspid Valve
Term
The layer of the heart wall that is made of muscle is:
Definition
Myocardium
Term
T/F Inferior vena cavae return blood to the heart from all regions above the diaphragm
Definition
False. it returns blood from below the diaphragm
Term
The transportation of blood from the right side of the heart to the lungs and back to the left side of the heart is known as the ______ circulation
Definition
pulmonary
Term
Which vessels return oxygenated blood to the left atrium of the heart?
Definition
Pulmonary veins
Term
Which one of the following blood vessels carries oxygenated blood?
Definition
Pulmonary vein and arteries typically
Term
The structures that anchor the valves to the ventricle walls
Definition
Chordae tendineae
Term
An incompetent aortic semilunar volve would allow blood to backflow from the:
Definition
Aorta to the left ventricle
Term
The heart sounds lub and dub result from
Definition
The closure of heart valves
Term
Blood leaves the left ventricle through the:
Definition
Aorta
Term
The chamber with the thickest walls
Definition
The left ventricle
Term
The mitral valve is normally closed
Definition
When the ventricle is in systole
Term
The first heart sound lub is caused by the closure of the ____ valves
Definition
Tricuspid
Term
The normal resting heart rate is:
Definition
60bpm
Term
T/F Blood is returned to the right side of the heart from the lungs
Definition
False
Term
T/F During systole, blood is ejected from the ventricles
Definition
True
Term
T/F Definition of Hypotension: Whenever diastolic blood pressure falls below 100 mm hg
Definition
False. must fall under 90
Term
T/F Semilunar valves prevent backflow into the atria when ventricles contract.
Definition
False
Term
T/F A blood pressure reading is written as diastolic pressure over systolic pressure
Definition
False
Term
Prevents blood from backflowing from the aorta into the heart
Definition
Aortic semilunar valve
Term
Valve in the aorta
Definition
Aortic semilunar valve
Term
Which term means ventricle contraction?
Definition
Systole
Term
T/F During diastole, the bicuspid and tricuspid (mitral) valves are closed.
Definition
False
Term
T/F Increased firing of parasympathetic nervous system causes increased cardiac output
Definition
False
Term
The partition where the bundle branches are located is called the:
Definition
Interventricular septum
Term
T/F The Purkinje fibers directly transmit impulses to the walls of the ventricles
Definition
True
Term
Which of the following is often called the pacemaker of the heart?
Definition
Sinoatrial node (SA)
Term
Coronary artery disease results from
Definition
The accumulation of fatty deposits within blood vessels
Term
Which of the following is NOT a branch of the coronary arteries?
Definition
Coronary sinus
Term
T/F The coronary arteries supply oxygen to the myocardium
Definition
True
Term
The Vagus Nerve causes the
Definition
heart rate to decrease
Term
Which fetal shunt bypasses the lungs by directly connecting the right and left atrium?
Definition
Foramen ovale
Term
The sinoatrial node is located in the
Definition
Right atrium
Term
T/F The sinoatrial node is the pacemaker of the heart
Definition
True
Term
What empties deoxygenated blood from the myocardium to the right atrium?
Definition
Coronary sinus
Term
Blood pressure above 140/90 mm hg is
Definition
Hypertension
Term
Which of the following increases heart rate?
Definition
Epinephrine
Term
The coronary veins empty blood from the myocardium into
Definition
The coronary sinus
Term
Oxygenated blood nourishing the myocardium comes from
Definition
The coronary arteries
Term
What ensures that lymph flows slowly through lymph nodes?
Definition
More afferent vessels entering that efferents leaving
Term
Lymphatic vessels most closely resemble
Definition
Veins
Term
Which of the following belongs to MALT? mark all that apply
Definition
Peyer patches, and Tonsils
Term
Which of the following is part of Malt?
Definition
Appendix
Term
Which lymphoid organ gets rid of aged red blood cells?
Definition
The spleen
Term
In which of the following regions are lymph nodes most densely located?
Definition
Axillary, inguinal, and cervical areas
Term
Lymph capillaries
Definition
Contain valves
Term
Which of the following capillaries are blind ended?
Definition
Lymphatic
Term
Which of the following connect to the lymph node at the hilum?
Definition
Efferent lymphatic vessels
Term
Lymphatic vessels pick up fluid from
Definition
Interstitial space
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